08.06.2019
Windows Communicator 1.9.8.4 serial key or number

Windows Communicator 1.9.8.4 serial key or number

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Windows Communicator 1.9.8.4 serial key or number

Windows Communicator 1.9.8.4 serial key or number

PMC

1Department of Otolaryngology–Head and Neck Surgery, Medical University of South Carolina, Charleston
2School of Health and Rehabilitation Sciences, The Ohio State University, Columbus
3Division of Occupational Therapy, Medical University of South Carolina, Charleston
Corresponding author.

Accepted for Publication: January 14, 2019.

Corresponding Author: Theodore R. McRackan, MD, MSCR, Department of Otolaryngology–Head and Neck Surgery, Medical University of South Carolina, 135 Rutledge Ave, MSC 550, Office 1120 Rutledge Tower, Charleston, SC 29425-5500 (ude.csum@nakcarcm).

Published Online: March 21, 2019. doi:10.1001/jamaoto.2019.0055

Author Contributions: Dr McRackan had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.

Study concept and design: McRackan, Dubno.

Acquisition, analysis, or interpretation of data: All authors.

Drafting of the manuscript: McRackan, Hand.

Critical revision of the manuscript for important intellectual content: All authors.

Statistical analysis: All authors.

Obtained funding: McRackan.

Administrative, technical, or material support: McRackan, Dubno.

Study supervision: Dubno.

Conflict of Interest Disclosures: None reported.

Funding/Support: This research was made possible by funding from a National Institutes of Health National Center for Advancing Translational Sciences K12 award (UL1TR001450) through the South Carolina Clinical & Translational Research Institute at the Medical University of South Carolina, a grant from the American Cochlear Implant Alliance, and a grant from the Doris Duke Charitable Foundation.

Role of the Funder/Sponsor: The funders had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.

Additional Contributions: We thank the members of the Cochlear Implant Quality of Life Development Consortium for their participation in the study. The group includes the following individuals (and institutions): Ravi N. Samy, MD (University of Cincinnati); Samuel P. Gubbels, MD (University of Colorado); Justin S. Golub, MD, MS (Columbia University); Eric P. Wilkinson, MD, Dawna Mills, AuD (House Ear Clinic); John P. Carey, MD (Johns Hopkins University); Nopawan Vorasubin, MD (Kaiser Permanente, Los Angeles); Vickie Brunk, AuD (Kaiser Permanente, San Diego); Matthew L. Carlson, MD, Colin L. Driscoll, MD, Douglas P. Sladen, PhD (Mayo Clinic); Elizabeth L. Camposeo, AuD, Meredith A. Holcomb, AuD, Paul R. Lambert, MD, Ted A. Meyer, MD, PhD, Cameron Thomas, BS (Medical University of South Carolina); Aaron C. Moberly, MD (Ohio State University); Nikolas H. Blevins, MD, Jannine B. Larky, MA (Stanford University); Ronna P Hertzano, MD, PhD (University of Maryland); Michael E. Hoffer, MD, Sandra M. Prentiss, PhD (University of Miami); Jason Brant, MD (University of Pennsylvania); Jacob B. Hunter, MD, Brandon Isaacson, MD, J. Walter Kutz, MD (University of Texas Southwestern Medical Center); Richard K. Gurgel, MD (University of Utah); Daniel M. Zeitler, MD (Virginia Mason Medical Center); Craig A. Buchman, MD, Jill B. Firszt, PhD (Washington University in St Louis); Rene H. Gifford, PhD, David S. Haynes, MD, Robert F. Labadie, MD, PhD (Vanderbilt University Medical Center).

Received 2018 Aug 8; Accepted 2019 Jan 14.
Copyright 2019 American Medical Association. All Rights Reserved.
Источник: [https://torrent-igruha.org/3551-portal.html]
, Windows Communicator 1.9.8.4 serial key or number

Study Guide for

MasterExam for A+ MasterExam for Exam 220-801 A+ Essentials

Exam Type: MasterExam

Toria Wright

09/24/2020 06:37:48 AM

This Adaptive Study Guide represents all questions that were answered incorrectly. The test question title, steps (if applicable) and references have been included to assist you in your study.


BIOS Monitoring

Which can the BIOS monitor?

Choices:

A - RAM usage
B - Clock speed
C - HDs installed
D - Search history

References:
EXPLANATION: The clock speed can be monitored in the BIOS. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 BIOS Settings BIOS Settings Bonus Round OBJECTIVE: 1.0 PC Hardware 1.1 Configure and apply BIOS settings 1.1.3 BIOS configuration 1.1.3.4 Clock speed

Items for Configuration

Which items can be configured within the Print Properties window?

Choices:

A - Print jobs
B - Print spooler
C - Printer priority
D - Printer driver installation

References:
EXPLANATION: Several items can be configured within the Print Properties window including managing print jobs, setting the priority of the printer, configuring the print spooler, and managing permissions. REFERENCE: LearnKey's A+ Certification 2012 Course Session 5 Printer Installation Printer Drivers OBJECTIVE: 4.0 Printers 4.2 Given a scenario, install, and configure printers 4.2.1 Use appropriate printer drivers for a given operating system

RAM Basics

In Windows, selecting which option will allow users to see how much RAM they currently possess?

Choices:

A - ATC
B - Insert
C - Properties
D - Documents

References:
EXPLANATION: Selecting Properties will allow users to see how much RAM they currently have. REFERENCE: LearnKey's A+ Certification 2012 Course Session 3 Building the Machine Graphics / CAD / CAM Workstation OBJECTIVE: 1.9 Evaluate and select appropriate components for a custom configuration, to meet customer specifications or needs. 1.9.1 Graphic / CAD / CAM design workstation 1.9.1.3 Maximum RAM

Manipulation with the Mouse

Which does the mouse allow the user to manipulate?

Choices:

A - HID
B - GUI
C - PDA
D - KVM

References:
EXPLANATION: A mouse moves the on-screen cursor which interacts with the graphical user interface. REFERENCE: LearnKey's A+ Certification 2012 Course Session 3 Peripherals User Input Devices OBJECTIVE: 1.0 PC Hardware 1.12 Install and configure various peripheral devices. 1.12.1 Input devices 1.12.1.1 Mouse

Wireless Printer Sharing

Which are options for sharing a printer wirelessly? Choose all that apply.

Choices:

A - Infrared
B - 802.11x
C - Ethernet
D - Bluetooth

References:
EXPLANATION: The three types of printer sharing via a wireless medium are Bluetooth, 802.11x, and infrared. REFERENCE: LearnKey's A+ Certification 2012 Course Session 5 Printer Installation Printer Connections OBJECTIVE: 4.0 Printers 4.2 Given a scenario, install, and configure printers 4.2.2 Printer device sharing 4.2.2.2 Wireless 4.2.2.1 Bluetooth 4.2.2.2 802.11x 4.2.2.3 Infrared (IR)

Class B Default Subnet Mask

What is the default subnet mask of a Class B IP Address?

Choices:

A - 224.0.0.0
B - 255.0.0.0
C - 255.255.0.0
D - 255.255.255.0

References:
EXPLANATION: The default subnet mask of a Class B IP address is 255.255.0.0. REFERENCE: LearnKey's A+ Certification 2012 Course Session 4 TCP/IP Introduction TCP/IP Introduction Bonus Round OBJECTIVE: 2.0 Networking 2.3 Explain properties and characteristics of TCP/IP. 2.3.1 IP class 2.3.1.1 Class B

Separate Controller for Disks

When each disk is connected to a separate controller, this is known as __________.

Choices:

A - striping parity
B - multiple disks
C - disk duplexing
D - fault tolerance

References:
EXPLANATION: When each disk is connected to a separate controller, this is known as disk duplexing. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 Advanced Storage Devices RAID 1 OBJECTIVE: 1.0 PC Hardware 1.5 Install and configure storage devices and use appropriate media 1.5.6 RAID types 1.5.6.2 1

Advantages of SSD

Which is an advantage of having an SSD in a portable computer?

Choices:

A - Less expensive
B - Faster boot time
C - Longer battery life
D - More storage capacity

References:
EXPLANATION: SSDs are expensive and offer less storage capacity compared to traditional hard drives, but they require less electricity to run. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 Basic Storage Devices Hard Drives OBJECTIVE: 1.0 PC Hardware 1.5 Install and configure storage devices and use appropriate media 1.5.5 Solid state/ flash drives 1.5.5.6 SSD

IDE Data Transfer Rate

Which option is the maximum data transfer rate for an internal Ultra ATA/167 IDE drive?

Choices:

A - 50 MBps
B - 70 MBps
C - 100 MBps
D - 167 MBps

References:
EXPLANATION: The maximum data transfer rate of internal IDE drives is 167 MBps. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 External Connectors SATA OBJECTIVE: 1.7 Compare and contrast various connection interfaces and explain their purpose. 1.7.1 Physical connections 1.7.1.3 SATA1 vs. SATA2 vs. SATA3, eSATA, IDE speeds

Identifying Parallel Port Cards

Click the Exhibit button. Which option is an example of a parallel port expansion card?

Choices:

A - Option A
B - Option B
C - Option C
D - Option D

References:
EXPLANATION: The parallel port was a faster replacement for the serial port. Its most widely accepted purpose was connecting to printers. The parallel port is able to send 8 bits of data, which is transmitted parallel, unlike the serial port, which could send only 1 bit at a time. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 Expansion Cards Peripheral Cards OBJECTIVE: 1.4 Install and configure expansion cards 1.4.4 Serial and parallel cards

CPU Cache

Which is typically the largest CPU cache?

Choices:

A - L0
B - L1
C - L2
D - L3

References:
EXPLANATION: L1 is located in the core and stores the most frequently used data for rapid retrieval. L2 can be in the core or on the motherboard and is checked after the CPU checks L1. L3 is the largest and slowest cache. It is checked after L2. The size of the cache affects speed. A larger cache will take longer to access and seek. REFERENCE: LearnKey's A+ Certification 2012 Session 1 Computer Processors CPU Caches OBJECTIVE: 1.6 Differentiate among various CPU types and features and select the appropriate cooling method.

Operational Procedures Scenario Personal Safety and Power

When replacing an HDD on a computer, which option represents when a power supply should be disconnected?

Choices:

A - After opening the case
B - Before opening the case
C - Before disconnecting the HDD
D - Before connecting the new HDD

References:
EXPLANATION: When working on a computer, it is best to disconnect the power before opening the case or working near anything that may send electricity to a person. Disconnecting the computer also ensures the computer is not in hibernate mode. REFERENCE: LearnKey's A+ Certification 2012 Course Session 5 Safety Procedures Electrical Safety OBJECTIVE: 5.0 Operational Procedures 5.1 Given a scenario, use appropriate safety procedures. 5.1.5.1 Disconnect power before repairing PC

Type of Configuration for NAS

Which type of configuration can be used by NAS for fault tolerance? Choose all that apply.

Choices:

A - RAID 0 striping
B - RAID 1 mirroring
C - RAID 5 striping and parity
D - RAID 10 mirroring and striping

References:
EXPLANATION: RAID 1 and RAID 10 mirroring are used by NAS for fault tolerance. REFERENCE: LearnKey's A+ Certification 2012 Course Session 3 Networking Hardware Networking Hardware Bonus Round OBJECTIVE: 2.0 Networking 2.9 Compare and contrast network devices their functions and features 2.9.6 NAS

Speeds

Which term describes the speed of a component?

Choices:

A - Slot rate
B - AMD rate
C - Clock rate
D - Socket rate

References:
EXPLANATION: Clock rate is the term that describes the speed of a component. REFERENCE: LearnKey's A+ Certification 2012 Session 1 Computer Processors Computer Processors Bonus Round OBJECTIVE: 1.6 Differentiate among various CPU types and features and select the appropriate cooling method. 1.6.2 Characteristics 1.6.2.1 Speeds

Motherboard Chipsets

Which chipsets are typically found on a motherboard? Choose all that apply.

Choices:

A - RAMbridge
B - Westbridge
C - Southbridge
D - Northbridge

References:
EXPLANATION: Northbridge and Southbridge are main chipsets that control data in different ways. REFERENCE: LearnKey's A+ Certification 2012 Course Session 1 Motherboards Motherboard Sizes OBJECTIVE: 1.0 PC Hardware 1.2 Differentiate between motherboard components, their purpose, and properties 1.2.5 Chipsets

Safe Cable Layout

An office worker tripped over cables running across a high-traffic walkway. Which option represents the best solution for this poor cable management?

Choices:

A - A rubber cable bridge
B - Tape the cables to the floor with duct tape
C - Replace the cables with brighter colored cables
D - Send an e-mail to the office workers identifying the location of the cables

References:
EXPLANATION: A rubber cable bridge is suited for stepping on and protecting cables. Duct tape will peel off over time and is not considered a permanent solution. In high traffic areas, the best solution is to render the cables inaccessible to people walking over them. REFERENCE: LearnKey's A+ Certification 2012 Course Session 5 Safety Procedures Personal Safety OBJECTIVE: 5.0 Operational Procedures 5.1 Given a scenario, use appropriate safety procedures. 5.1.5.7 Cable management

Accessed as a Mapped Network

Which device can be accessed as a mapped network drive from any computer on the network?

Choices:

A - NAS
B - WAP
C - Router
D - Modem

References:
EXPLANATION: A Network Attached Storage (NAS) is a device that can be accessed as a mapped network drive from any computer on the network. REFERENCE: LearnKey's A+ Certification 2012 Course Session 3 Networking Hardware Networking Hardware Bonus Round OBJECTIVE: 2.0 Networking 2.9 Compare and contrast network devices their functions and features 2.9.7 NAS

RDP Port Number

Which option represents the default port typically used by RDP?

Choices:

A - 80
B - 443
C - 3389
D - 6301

References:
EXPLANATION: The RDP port is typically 3389 which is often closed by default for network security reasons. REFERENCE: LearnKey's A+ Certification 2012 Course Session 4 TCP/IP Protocols Remote Management Protocols OBJECTIVE: 2.4 Explain common TCP and UDP ports, protocols, and their purpose. 2.4.1 Ports 2.4.1.9 3389 - RDP

Socket Comparison

Which CPU socket offers improved power distribution and minimizes the chance of damaging the CPU?

Choices:

A - ZIF
B - LGA
C - PGA
D - SECC

References:
EXPLANATION: The LGA offers better power distribution and less chance to damage the CPU. REFERENCE: LearnKey's A+ Certification 2012 Course Session 1 Motherboard Expansion Slots Motherboard Expansion Slots Bonus Round OBJECTIVE: 1.0 PC Hardware 1.2 Differentiate between motherboard components, their purposes, and properties. 1.2.4 CPU sockets

Battery Type for Laptops

Which type of battery is used to extend battery life in laptops?

Choices:

A - Alkaline
B - Lithium ion
C - Solid-state
D - Organic radical

References:
EXPLANATION: Lithium ion batteries are used to create longer lasting batteries for laptops. REFERENCE: LearnKey's A+ Certification 2012 Course Session 4 Laptop Hardware Laptop Hardware OBJECTIVE: 3.0 Laptops 3.1 Install and configure laptop hardware and components 3.1.2 Hardware/device replacement 3.1.2.9 Battery

Automatic Configuration

Which drive mode automatically configures the drive as master or slave?

Choices:

A - Boot
B - Tape
C - Single
D - Cable select

References:
EXPLANATION: The cable select drive mode automatically configures the drive as master or slave. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 Basic Storage Devices Internal Connections OBJECTIVE: 1.0 PC Hardware 1.5 Install and configure storage devices and use appropriate media 1.5.3 Connection types 1.5.3.2 Internal SATA, IDE and SCSI 1.5.3.2.1 IDE configuration and setup: Master, Slave, Cable Select

Ring Topology Basics

Which is an advantage of a ring topology?

Choices:

A - Good for LANs
B - Failure of one node does not affect the rest of the network
C - New nodes can be added easily without affecting the rest of the network
D - There is no need for a network server to control the connectivity between workstations

References:
EXPLANATION: There is no need for a network server to control the connectivity between workstations in a ring topology. REFERENCE: LearnKey's A+ Certification 2012 Course Session 4 Network Design Implementing Topologies OBJECTIVE: 2.8 Identify various types of networks 2.8.5 Topologies 2.8.5.2 Ring

Understanding the Identify Stage

With regards to first response, which options need to be identified? Choose all that apply.

Choices:

A - Frames
B - Packets
C - Yourself
D - Solutions
E - Expectation
F - The problem

References:
EXPLANATION: With regards to first response, the solution, the problem, and yourself must be identified. REFERENCE: LearnKey's A+ Certification 2012 Course Session 6 Communicate Accurately First Response OBJECTIVE: 5.4 Explain the fundamentals of dealing with prohibited content/activity 5.4.1 First response 5.4.1.1 Identify

IDE Pin-Outs

Which option represents the number of pins on a standard IDE connector?

Choices:

A - 22
B - 40
C - 44
D - 48

References:
EXPLANATION: There are 40 pins on the IDE connector. REFERENCE: LearnKey's A+ Certification 2012 Course Session 3 Connectors Device Connectors OBJECTIVE: 1.11 Identify connector types and associated cables 1.11.3 Device connectors and various connector pin-outs 1.11.3.3.1 IDE

CPU Sockets

Which are the two most prominent types of CPU sockets?

Choices:

A - LGA
B - PGA
C - CGA
D - RGAL

References:
EXPLANATION: The PGA and LGA sockets should be known for the exam. REFERENCE: LearnKey's A+ Certification 2012 Course Session 1 Motherboard Expansion Slots Motherboard Expansion Slots Bonus Round OBJECTIVE: 1.0 PC Hardware 1.2 Differentiate between motherboard components, their purposes, and properties. 1.2.4 CPU sockets

SMB Acronym

Which option represents the meaning of the acronym, SMB?

Choices:

A - Serial Message Block
B - System Manage Block
C - Server Message Block
D - System Message Block

References:
EXPLANATION: SMB stands for Server Message Block. REFERENCE: LearnKey's A+ Certification 2012 Course Session 4 TCP/IP Protocols Infrastructure Protocols OBJECTIVE: 2.4 Explain common TCP and UDP ports, protocols, and their purpose. 2.4.2 Protocols 2.4.2.5 SMB

Static IP Configuration

Which option describes static IP configuration?

Choices:

A - MAC filtering using DHCP settings
B - Manually entering IP configuration information on each workstation
C - Unique IP addresses assigned to both wired and wireless network cards
D - Using the same TCP/IP parameters for desktop and notebook computers

References:
EXPLANATION: Static IP configuration is manually entering IP configuration information on each workstation. REFERENCE: LearnKey's A+ Certification 2012 Course Session 4 TCP/IP Introduction IPv4 Addressing OBJECTIVE: 2.0 Networking 2.3 Explain properties and characteristics of TCP/IP. 2.3.4 Static vs. dynamic

Sound Card Sampling Rate

Which option represents the typical sample rate for an audio CD?

Choices:

A - 8 kHz
B - 32 kHz
C - 44.1 kHz
D - 192 kHz

References:
EXPLANATION: The sample rate of an audio CD is 44.1 kHz, which is considerably less than DVD audio. DVD audio's rate is around 192 kHz. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 Expansion Cards Expansion Cards Bonus Round OBJECTIVE: 1.4 Install and configure expansion cards 1.4.1 Sound cards

Tractor Feed

Which does a tractor feed allow an impact printer to do?

Choices:

A - Create photo-perfect prints
B - Utilize multiple ink cartridges
C - Color whole sheets of paper
D - Print over a long roll of paper

References:
EXPLANATION: The print text goes one line at a time and keeps printing over a long roll of paper, as opposed to page printers that print to cut sheets of paper. REFERENCE: LearnKey's A+ Certification 2012 Course Session 5 Understanding Printers Impact Printers OBJECTIVE: 4.0 Printers 4.1 Explain the differences between the various printer types and summarize the associated imaging process 4.1.4 Impact 4.1.4.1 Printer head, ribbon, tractor feed

Fuser Assembly in Printers

Click the Exhibit button. Which option represents the fuser assembly?

Choices:

A - Option A
B - Option B
C - Option C
D - Option D

References:
EXPLANATION: The fusing of the toner to the paper is the final step which uses heat and pressure to finalize the print. REFERENCE: LearnKey's A+ Certification 2012 Course Session 5 Understanding Printers Laser Printers OBJECTIVE: 4.0 Printers 4.1 Explain the differences between the various types and summarize the associated imaging process. 4.1.1 Laser 4.1.1.1 Imaging drum, fuser assembly, transfer belt, transfer roller, pickup rollers, separate pads, duplexing assembly

The DIN 6 Connector

Click the Exhibit button. Which option represents a Mini-DIN 6 connector?

Choices:

A - Option A
B - Option B
C - Option C
D - Option D

References:
EXPLANATION: The Mini-DIN 6 connector is electronically similar to its predecessor, the 5-pin DIN connector. REFERENCE: LearnKey's A+ Certification 2012 Course Session 3 Connectors Display Connectors OBJECTIVE: 1.11 Identify connector types and associated cables 1.11.1 Display connector types 1.11.1.10 Din-6

Video Card Components

A video card is composed of which two major components?

Choices:

A - Video RAM
B - CAX channels
C - Menu controllers
D - Video processor GPU

References:
EXPLANATION: A video card is composed of video RAM and the video processor GPU. REFERENCE: LearnKey's A+ Certification 2012 Course Session 3 Building the Machine Building the Machine Bonus Round OBJECTIVE: 1.9 Evaluate and select appropriate components for a custom configuration, to meet customer specifications or needs. 1.9.2 Audio/Video editing workstation 1.9.2.1.Specialized audio and video card

Conflicting Solid-State Media

A user has a problem when using a USB flash drive and other solid-state media. Which would be the best suggestion to help with this problem?

Choices:

A - Go to Microsoft's support page and find hotfixes
B - Use only one type of solid-state removable media at a time
C - Go into Disk Management and change the drive letter of one of the devices
D - The computer is not compatible with USB flash drives, and they should not be used

References:
EXPLANATION: Sometimes USB flash drives and other solid-state media conflict with each other, thus prompting the user to change the drive letter of one or more devices within the Disk Management. REFERENCE: LearnKey's A+ Certification 2012 Course Session 4 Laptop Hardware Laptop Memory OBJECTIVE: 3.0 Laptops 3.1 Install and configure laptop hardware and components 3.1.1 Expansion options 3.1.1.5 Flash

Accessing the BIOS

Which option will typically access the motherboard BIOS?

Choices:

A - Pressing F1 at boot up
B - Open System Settings in Control Panel
C - Start - Programs Files - Applications - BIOS
D - Open Computer Managment in Control Panel

References:
EXPLANATION: BIOS access keys are different depending on the manufacturer and the different options are F1, F2, F10, and DEL. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 BIOS Settings Basic Input Output System OBJECTIVE: 1.0 PC Hardware 1.1 Configure and apply BIOS settings

RJ-45

Which option represents the number of pins on an RJ-45 connector?

Choices:


References:
EXPLANATION: The RJ-45 connector has 8 twisted-pair wires which can transfer data between networked devices, such as network interface cards and routers. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 External Connectors External Connectors Bonus Round OBJECTIVE: 1.7 Compare and contrast various connection interfaces and explain their purpose. 1.7.1 Physical connections 1.7.1.4 Other connector types 1.7.1.4.7 RJ-45

Conversation Tools

Which distraction will hinder a conversation with a customer?

Choices:

A - Using proper pitch
B - Speaking concisely
C - Personal interruptions
D - Asking the customer questions

References:
EXPLANATION: Personal interruptions will hinder a conversation with a customer. REFERENCE: LearnKey's A+ Certification 2012 Course Session 5 Communicate Professionally Difficult Situations and Customers OBJECTIVE: 5.0 Operational Procedures 5.3 Given a scenario, demonstrate proper communication and professionalism. 5.3.6 Avoid distractions 5.3.6.3 Personal interruptions

Digital Camera Integration

Digital cameras can be integrated into PDAs and ___________.

Choices:

A - MIDI devices
B - IEEE switches
C - mobile phones
D - KVM switches

References:
EXPLANATION: Digital cameras can be integrated into PDAs and mobile phones. REFERENCE: LearnKey's A+ Certification 2012 Course Session 3 Peripherals Peripherals Bonus Round OBJECTIVE: 1.0 PC Hardware 1.12 Install and configure various peripheral devices. 1.12.2 Multimedia devices 1.12.2.1 Digital cameras

Types of MIDI Connectors

Which type of connector can a MIDI device use to enable control and exchange of data? Choose all that apply.

Choices:

A - USB
B - RJ-45
C - Mini-jack
D - 5-pin DIN

References:
EXPLANATION: MIDI devices use several different connection types. The 5-pin DIN connector is common and has been considered the standard for many years. Some devices use RJ-45 cables to daisy chain devices, others use USB, and the mini-jack. REFERENCE: LearnKey's A+ Certification 2012 Course Session 3 Peripherals Peripherals Bonus Round OBJECTIVE: 1.0 PC Hardware 1.12 Install and configure various peripheral devices. 1.12.2 Multimedia devices 1.12.2.5 MIDI enable devices

RAID Meaning

For which does RAID stand?

Choices:

A - Random access industry drives
B - Round advanced independent drives
C - Redundant array of inexpensive disks
D - Recovery advantage of intelligent disks

References:
EXPLANATION: RAID stands for redundant array of inexpensive disks. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 Advanced Storage Devices RAID OBJECTIVE: 1.0 PC Hardware 1.5 Install and configure storage devices and use appropriate media 1.5.6 RAID types

Internal Fan Pins

Which is a function of the pins in a typical 3-prong case fan power connector? Choose all that apply.

Choices:

A - Ground
B - Power +8V
C - Power +12V
D - Relay information to motherboard

References:
EXPLANATION: The 3 pins provide power, a ground source, and relay tachometer information to the motherboard which can be represented in the BIOS and OS software. REFERENCE: LearnKey's A+ Certification 2012 Course Session 1 Motherboards Motherboards Bonus Round OBJECTIVE: 1.0 PC Hardware 1.2.8 Fan connectors

Identifying Socket Types

Which type of socket uses lands that protrude out and touch the CPU's contact points?

Choices:

A - 775
B - LGA
C - PGA
D - 1155

References:
EXPLANATION: LGA sockets use lands that protrude out and touch the CPU's contact points. REFERENCE: LearnKey's A+ Certification 2012 Session 1 Computer Processors CPU Types OBJECTIVE: 1.6 Differentiate among various CPU types and features and select the appropriate cooling method. 1.6.1 Socket Types 1.6.1.1 Intel: LGA, 775, 1155, 1156, 1366

Number of Pins on a DVI-I Single Link Connector

Which option represents the number of pins on a DVI-I single-link connector?

Choices:

A - Two sets of nine pins and a blade
B - Three rows of eight pins and a blade
C - Two sets of nine pins and four contacts surrounding a blade
D - One set of eight pins and one set of four pins, with four contacts surrounding a blade

References:
EXPLANATION: DVI-I single-link has two sets of nine pins and four contacts surrounding a blade. REFERENCE: LearnKey's A+ Certification 2012 Course Session 3 Connectors Display Connectors OBJECTIVE: 1.11 Identify connector types and associated cables 1.11.1 Display connector types 1.11.1.1 DVI-I

Advice for New Printer

A user wants to purchase a new printer. Which would be the best advice to give him/her first?

Choices:

A - HP printers are the best for home offices
B - Make sure that the printer is compatible with the OS
C - Laser printers are superior to other types of printers
D - Printers are compatible with all computer operating systems

References:
EXPLANATION: The best advice would be to make sure that the printer is compatible with the user's operating system. REFERENCE: LearnKey's A+ Certification 2012 Course Session 5 Printer Installation Printer Drivers OBJECTIVE: 4.0 Printers 4.2 Given a scenario, install, and configure printers 4.2.1 Use appropriate printer drivers for a given operating system

USB Connection for Web Cam

Most web cams use a special USB connection. Into which type of port should a user plug in a web cam?

Choices:

A - USB port
B - Quality USB port
C - Hi-Speed USB port
D - Higher frame USB port

References:
EXPLANATION: Most web cams use Hi-Speed USB; thus, it is important to remember to plug in the web cam to a Hi-Speed USB port. REFERENCE: LearnKey's A+ Certification 2012 Course Session 3 Peripherals Peripherals Bonus Round OBJECTIVE: 1.0 PC Hardware 1.12 Install and configure various peripheral devices. 1.12.2 Multimedia devices 1.12.2.3 Webcam

Serial Port Card Original Purpose

Which is considered the original purpose of the serial port?

Choices:

A - Connect to a modem
B - Connect to a monitor
C - Connect to a keyboard
D - Connect to a network printer

References:
EXPLANATION: Connecting to a modem is one of the original uses of the serial port. The 9-pin layout transmitted one type of data over each pin. One pin detected if the modem was connected to a working phone line, while another pin was used to transmit data, and another was used for data. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 Expansion Cards Peripheral Cards OBJECTIVE: 1.4 Install and configure expansion cards 1.4.4 Serial and parallel cards

Trident-Like Icon

Click the Exhibit button. Which option best represents the port represented by the icon displayed?

Choices:

A - USB
B - S-video
C - FireWire
D - Thunderbolt

References:
EXPLANATION: The USB port is common on laptops and used to connect keyboards, audio devices, video devices, storage devices, and other devices. REFERENCE: LearnKey's A+ Certification 2012 Course Session 5 Laptop Operations Laptop Operations Bonus Round OBJECTIVE: 3.3 Compare and contrast laptop features

Dust Blowers

Which computer dust blower is the most effective when used properly?

Choices:

A - ESD
B - Cleanup fan
C - Air compressor
D - Compressed air

References:
EXPLANATION: An air compressor is the most effective computer dust blower when used properly. REFERENCE: LearnKey's A+ Certification 2012 Course Session 5 Enviromental Controls Dust and Debris OBJECTIVE: 5.0 Operational Procedures 5.2 Explain environmental impacts and the purpose of environmental controls. 5.2.5 Dust and debris 5.2.5.1 Compressed air

Voltage on a SATA Connector

A technician wants to ensure she has the correct voltage for a standard SATA power connector. Which options represent voltages used in a standard SATA power connector? Choose all that apply.

Choices:

A - .5 V
B - 3.3 V
C - 5 V
D - 12 V

References:
EXPLANATION: 5 V, 3.3 V, and 12 V are standard voltages for most SATA power connectors. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 Power Supplies Power Supplies Bonus Round OBJECTIVE: 1.8 Install an appropriate power supply based on a given scenario. 1.8.1 Connector types and their voltages 1.8.1.1 SATA

Function Bluetooth

Click the Exhibit button. Which option best represents the key or switch to activate Bluetooth?

Choices:

A - Option A
B - Option B
C - Option C
D - Option C

References:
EXPLANATION: Bluetooth can be switched on or off using a hardware switch or installed software. REFERENCE: LearnKey's A+ Certification 2012 Course Session 5 Laptop Operations Docking Stations and Port Replicators OBJECTIVE: 3.3 Compare and contrast laptop features 3.3.1 Special function keys 3.3.1.5 Bluetooth (on/off)

Purpose of a Touch Pad

Which is the main purpose of a touch pad?

Choices:

A - Visual effects
B - Read pad devices
C - As a pointing device
D - Security identification

References:
EXPLANATION: The main purpose of a touch pad is to act as a pointing device. REFERENCE: LearnKey's A+ Certification 2012 Course Session 4 Laptop Hardware Laptop Hardware OBJECTIVE: 3.0 Laptops 3.1 Install and configure laptop hardware and components 3.1.2 Hardware/device replacement 3.1.2.10 Touch pad

Secure Systems

To have a secure system with boot device priority, which is recommended?

Choices:

A - Reboot the system daily
B - Delete any unused media devices
C - Set boot device priority to hard drive first
D - Remove boot device priority from the system

References:
EXPLANATION: For a secure system it is recommended that the user set the boot device priority to hard drive first. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 BIOS Settings Basic Input Output System OBJECTIVE: 1.0 PC Hardware 1.1 Configure and apply BIOS settings 1.1.3 BIOS configuration 1.1.3.1 Boot sequence

IR Data Transfer Speed

Which option represents the data transfer speed of a Very Fast IrDA connector?

Choices:

A - 4 Mbps
B - 8 Mbps
C - 10 Mbps
D - 16 Mbps

References:
EXPLANATION: The Fast IrDA (FIR) data transfer rate is 4 Mbps. The Very Fast IrDA (VFIR) connector data transfer rate is 16 Mbps. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 External Connectors External Connectors Bonus Round OBJECTIVE: 1.7 Compare and contrast various connection interfaces and explain their purpose. 1.7.1 Physical connections 1.7.2 Speeds, distances and frequencies of wireless device connections 1.7.2.2 IR

LCD Monitors

Compared with CRT monitors, which options are true of LCD monitors? Choose all that apply.

Choices:

A - Use less power
B - Emit less radiation
C - Produce less glare
D - Generate less heat
E - Are less expensive

References:
EXPLANATION: LCD monitors use less power, produce less glare, emit less radiation, and generate less heat than CRT monitors. REFERENCE: LearnKey's A+ Certification 2012 Course Session 3 Display Devices Display Types OBJECTIVE: 1.0 PC Hardware 1.10 Given a scenario, evaluate types and features of display devices. 1.10.1 Types 1.10.1.2 LCD

Operational Procedures Scenario Preventing Electrical Fires

Which options represent good practices to prevent electrical fires? Choose all that apply.

Choices:

A - Check wires for cracks and frayed spots
B - Keep the inside of the computer dust-free
C - Ensure fans are freely spinning with open ventilation
D - Always use three-prong plugs to ground the equipment

References:
EXPLANATION: Checking wires for cracks and frayed spots, keeping the inside of the computer dust-free, ensuring fans are freely spinning with open ventilation, and always using three-prong plugs to ground the equipment are practices to prevent electrical fires. REFERENCE: LearnKey's A+ Certification 2012 Course Session 5 Safety Procedures Electrical Safety OBJECTIVE: 5.0 Operational Procedures 5.1 Given a scenario, use appropriate safety procedures. 5.1.5.5 Electrical fire safety

New Video Card Power Connector

Which type of power connector would most likely be used to connect to a newly manufactured video card?

Choices:

A - Mini
B - SATA
C - Molex
D - PCI Express

References:
EXPLANATION: PCI Express would most likely be used to connect to a newly manufactured video card. REFERENCE: LearnKey's A+ Certification 2012 Course Session 1 Motherboards Power Connections and Types OBJECTIVE: 1.0 PC Hardware 1.2.7 Power connection types

Pins on an ATX Motherboard Connector

A technician is replacing an ATX power supply for a newer ATX motherboard. Which option represents the number of pins on the main motherboard power connector?

Choices:

A - 6
B - 18
C - 24
D - 30

References:
EXPLANATION: The ATX motherboard originally used a 20-pin connector. In later ATX motherboards, 4 pins were added to offer more power to the motherboard. Some power supply units have a 20-pin connecter and a seperate 4 pin connector to allow connecting to the older motherboard style. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 Power Supplies Power Supplies Bonus Round OBJECTIVE: 1.8 Install an appropriate power supply based on a given scenario. 1.8.2.4 ATX

Option for Firewall

Which is an option for which firewall to use on a computer?

Choices:

D - Windows Firewall
A - Ultra Firewall
B - Linux Firewall
C - Normal Firewall

References:
EXPLANATION: Windows Firewall can be used easily because it is built into the operating system. REFERENCE: LearnKey's A+ Certification 2012 Course Session 8 Network Configuration Firewall and Proxy Settings OBJECTIVE: 1.0 Operating Systems 1.6 Setup and configure Windows networking on a client/desktop. 1.6.8 Firewall settings 1.6.8.2 Configuration

System Board Replacement Element

Which is an element that needs to be replaced regularly but not frequently in the system board of a laptop?

Choices:

A - BGA
B - SO-DIMM
C - Bluetooth
D - Lithium battery

References:
EXPLANATION: Sometimes a system board's lithium battery needs replacement. REFERENCE: LearnKey's A+ Certification 2012 Course Session 4 Laptop Hardware Internet Components OBJECTIVE: 3.0 Laptops 3.1 Install and configure laptop hardware and components 3.1.2 Hardware/device replacement 3.1.2.13 System board

Maximum Length of a USB 2.0 Cable

What is the maximum length of a USB 2.0 cable?

Choices:

A - 1 meter
B - 3 meters
C - 5 meters
D - 15 meters

References:
EXPLANATION: USB 1.0 had a maximum cable length of 3 meters. USB 2.0 can operate with a cable length of 5 meters. There are hubs and repeaters that can extend this limitation. USB 3.0 has a length limitation of 3 meters. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 External Connectors USB Versions OBJECTIVE: 1.7 Compare and contrast various connection interfaces and explain their purpose. 1.7.1 Physical connections 1.7.1.1 USB 1.1 vs. 2.0 vs. 3.0 speed and distance characteristics

Safe Disposal Practices

Which option should not be disposed of in landfills? Choose all that apply.

Choices:

A - CRTs
B - Batteries
C - Storage disks
D - Toner cartridges

References:
EXPLANATION: CRTs, batteries, and toner cartridges should not be disposed of in landfills. REFERENCE: LearnKey's A+ Certification 2012 Course Session 5 Enviromental Controls Compliance with Regulations OBJECTIVE: 5.0 Operational Procedures 5.2 Explain environmental impacts and the purpose of environmental controls. 5.2.7 Compliance to local government regulations

Examples of Hot-Swappable Devices

Which are examples of hot-swappable devices? Choose all that apply.

Choices:

A - Printers
B - Scanners
C - Video cards
D - USB flash drives

References:
EXPLANATION: Examples of hot-swappable devices are printers, scanners, USB flash drives, and others. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 Basic Storage Devices Basic Storage Devices Bonus Round OBJECTIVE: 1.0 PC Hardware 1.5 Install and configure storage devices and use appropriate media 1.5.3 Connection types 1.5.3.3 Hot swappable drives (non-hot swappable devices)

CMOS Without a Power Source

Without a battery, which action does CMOS perform?

Choices:

A - Lose data when the computer is off
B - Recharge using AC power
C - Reboot unitl power is restored
D - Deny access to HDDs

References:
EXPLANATION: The CMOS battery is necessary to retain data when there is no AC power. Without a battery the data would be lost when the computer is shut down. REFERENCE: LearnKey's A+ Certification 2012 Session 1 Motherboard Expansion Slots Motherboard Expansion Slots Bonus Round OBJECTIVE: 1.0 PC Hardware 1.2.5 Chipsets 1.2.5.3 CMOS Batteries

Firewalls and Protection

Which are methods used by hardware firewalls to protect networks? Choose all that apply.

Choices:

A - Disabling cookies
B - Hiding IP addresses
C - Blocking TCP/IP ports
D - Processing cross bridges
E - Alerting users of encryption breaks

References:
EXPLANATION: Hiding IP addresses and blocking TCP/IP ports are methods used by hardware firewalls to protect networks. REFERENCE: LearnKey's A+ Certification 2012 Course Session 4 Network Design Network Design Bonus Round OBJECTIVE: 2.6 Install, configure, and deploy a SOHO wireless/wired router using appropriate settings. 2.6.6 Firewall

Purchasing a Print Server

Which is important to keep in mind when purchasing a print server?

Choices:

A - They are gradient-sensitive
B - They can be printer-specific
C - Print servers may lose print jobs
D - The print servers may not be supported by Macintosh

References:
EXPLANATION: Some print servers can be printer specific, meaning they will only work with specific brands of printers. REFERENCE: LearnKey's A+ Certification 2012 Course Session 5 Printer Installation Print Hardware/Print Server OBJECTIVE: 4.0 Printers 4.2 Given a scenario, install, and configure printers 4.2.2 Printer device sharing 4.2.2.3 Printer hardware print server

Understanding Speeds

The motherboard four clock speed is generated by a/an __________ soldered directly to the motherboard.

Choices:

A - analogous gear
B - rated cycle component
C - internal variable director
D - quartz oscillating crystal

References:
EXPLANATION: The motherboard four clock speed is generated by a quartz oscillating crystal soldered directly to the motherboard. REFERENCE: LearnKey's A+ Certification 2012 Session 1 Computer Processors Computer Processors Bonus Round OBJECTIVE: 1.6 Differentiate among various CPU types and features and select the appropriate cooling method. 1.6.2 Characteristics 1.6.2.1 Speeds

Lost Connection for Infrared

A company uses infrared connections from their computers to their printers. They were having problems with lost connections. Which can be built into a printer with an infrared connection to help with lost connections? Choose all that apply.

Choices:

A - Reconnection
B - Retransmission
C - Auto-correction
D - Error correction

References:
EXPLANATION: Error correction and retransmission can be used to correct the problem of a lost infrared connection. REFERENCE: LearnKey's A+ Certification 2012 Course Session 5 Printer Installation Printer Connections OBJECTIVE: 4.0 Printers 4.2 Given a scenario, install, and configure printers 4.2.2 Printer device sharing 4.2.2.2 Wireless 4.2.2.3 Infrared (IR)

USB 2.0 Cable Length

What is the maximum length of USB version 2.0 cables?

Choices:

A - 2 meters
B - 3 meters
C - 5 meters
D - 10 meters

References:
EXPLANATION: The maximum length of USB version 2.0 cables is 5 meters. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 Basic Storage Devices External Connections OBJECTIVE: 1.0 PC Hardware 1.5 Install and configure storage devices and use appropriate media. 1.5.3 Connection types 1.5.3.1 External 1.5.3.1.1 USB

SDRAM Installation

A user has a 100 MHz system bus on the motherboard. Which SDRAM speed should be installed?

Choices:

A - 66 MHz
B - 100 MHz
C - 133 MHz
D - 200 MHz

References:
EXPLANATION: If a user had a 100 MHz system bus on the motherboard they would want to install compatible 100 MHz SDRAM because the SDRAM receives its clock signal from the system bus on the motherboard. REFERENCE: LearnKey's A+ Certification 2012 Session 1 System Memory System Memory Bonus Round OBJECTIVE: 1.0 PC Hardware 1.3 Compare and contrast RAM types and features 1.3.1 Types 1.3.1.4 SDRAM

Enhanced Pointer Precision

Which is an effect of the enhanced pointer precision option in some applications for the mouse?

Choices:

A - Erratic mouse movement
B - Automatically turns on Clicklock
C - The double-click becomes too sensitive
D - Switching primary and secondary buttons does not work

References:
EXPLANATION: The enhanced pointer precision works well; however, in some applications, it can cause erratic mouse movement. REFERENCE: LearnKey's A+ Certification 2012 Course Session 3 Peripherals Peripherals Bonus Round OBJECTIVE: 1.0 PC Hardware 1.12 Install and configure various peripheral devices. 1.12.1 Input devices 1.12.1.1 Mouse

Accessing the Physical Hard Drive

Where might a user find access to the physical hard drive of a laptop? Choose all that apply.

Choices:

A - Underneath the keyboard
B - From the side of the laptop
C - From the back of the screen
D - The panel on the bottom of the laptop

References:
EXPLANATION: The physical hard drive can be accessed from one of three areas: from underneath the keyboard, from a panel on the bottom of the laptop, and from the side of the laptop. REFERENCE: LearnKey's A+ Certification 2012 Course Session 4 Laptop Hardware Internet Components OBJECTIVE: 3.0 Laptops 3.1 Install and configure laptop hardware and components 3.1.2 Hardware/ device replacement 3.1.2.2 Hard drive (2.5 vs. 3.5)

eSATA Pin-Outs

Which option represents the connection speed of eSATA?

Choices:

A - 3 Gbps
B - 400 Mbps
C - 480 Mbps
D - 800 Mbps

References:
EXPLANATION: The eSATA connection speed is 3 Gbps. REFERENCE: LearnKey's A+ Certification 2012 Course Session 3 Connectors Device Connectors OBJECTIVE: 1.11 Identify connector types and associated cables 1.11.3 Device connectors and various connector pin-outs 1.11.3.2 eSATA

Reducing CVS

Which is used to reduce CVS?

Choices:

A - LCD screens
B - Glass display
C - Anti-glare filter
D - Plasma screen

References:
EXPLANATION: Anti-glare filters are used to reduce CVS. REFERENCE: LearnKey's A+ Certification 2012 Course Session 3 Display Devices Privacy / Antiglare Filters OBJECTIVE: 1.0 PC Hardware 1.10 Given a scenario, evaluate types and features of display devices. 1.10.7 Privacy/antiglare filters

MIDI Exchange of Data

MIDI allows for which types of machines to control each other and exchange data? Choose all that apply.

Choices:

A - Computer
B - Synthesizer
C - Sound cards
D - Digital recorders

References:
EXPLANATION: MIDI enables computers and music keyboards, synthesizers, digital recorders, samplers, etc. to control each other and to exchange data. REFERENCE: LearnKey's A+ Certification 2012 Course Session 3 Peripherals Peripherals Bonus Round OBJECTIVE: 1.0 PC Hardware 1.12 Install and configure various peripheral devices. 1.12.2 Multimedia devices 1.12.2.5 MIDI enable devices

Advantages to USB Flash Drives

Which are advantages to using USB flash drives over DVD-RWs or CD-RWs? Choose all that apply.

Choices:

A - They are small
B - Data is incorruptible
C - Good cost-to-MB ratio
D - Data can be dragged and dropped to a drive

References:
EXPLANATION: Some advantages of a USB flash drive over RW discs are they are smaller and easy to carry around, the cost-to-MB ratio is great, and information can be saved to a flash drive without burning. REFERENCE: LearnKey's A+ Certification 2012 Course Session 4 Laptop Hardware Laptop Memory OBJECTIVE: 3.0 Laptops 3.1 Install and configure laptop hardware and components 3.1.1 Expansion options 3.1.1.5 Flash

IEEE 1394 Pin-Outs

Which option represents the number of pins on a standard IEEE 1394 connector? Choose all that apply.

Choices:


References:
EXPLANATION: The IEEE 1394 connector FireWire has a 4-pin, 6-pin, and 9-pin connector. REFERENCE: LearnKey's A+ Certification 2012 Course Session 3 Connectors Device Connectors OBJECTIVE: 1.11 Identify connector types and associated cables 1.11.3 Device connectors and various connector pin-outs 1.11.3.6 IEEE1394

CPU Architecture

64-bit CPUs use a type of CPU architecture that incorporates which elements that are 64 bits wide?

Choices:

A - Names
B - Posters
C - Receipts
D - Registers

References:
EXPLANATION: 64-bit CPUs are a type of CPU architecture that incorporates registers that are 64-bits wide. REFERENCE: LearnKey's A+ Certification 2012 Session 1 Computer Processors Computer Processors Bonus Round OBJECTIVE: 1.6 Differentiate among various CPU types and features and select the appropriate cooling method. 1.6.2 Characteristics 1.6.2.6 Architecture

PC Hardware Bus Speed

Which term is used when the bus speed is increased above the manufacturer’s recommendations?

Choices:

A - Bus push
B - Overclocking
C - Overstocking
D - Bus enhancement

References:
EXPLANATION: Overclocking is used when the bus speed is increased above the manufacturer’s recommendations. REFERENCE: LearnKey's A+ Certification 2012 Course Session 1 Motherboard Expansion Slots Motherboard Expansion Slots Bonus Round OBJECTIVE: 1.0 PC Hardware 1.2.10 Bus speeds

Computer Definition

A computer _________ is two or more computers that communicate.

Choices:

B - network
C - dashboard
D - motherboard
A - system

References:
EXPLANATION: Computer networks allow the sharing of data. Computer networks span across the world. REFERENCE: LearnKey's A+ Certification 2012 Course Session 3 Networking Hardware Networking Hardware Bonus Round OBJECTIVE: 2.0 Networking 2.9 Compare and contrast network devices their functions and features

Digital Devices

Which options represent a device that has been designed to handle both analog and digital format? Choose all that apply.

Choices:

A - CD
B - Modem
C - Monitor
D - Sound card

References:
EXPLANATION: CDs store digital information which can be read and converted to sound with a CD-ROM player. Modems, monitors, and sound cards have been produced as analog and digital devices. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 External Connectors External Connectors Bonus Round OBJECTIVE: 1.7 Compare and contrast various connection interfaces and explain their purpose. 1.7.1 Physical connections 1.7.1.5 Analog vs. digital transmission

Blu-ray Capacity

Which is the capacity of a dual-layer Blu-ray disc?

Choices:

A - 25 GB
B - 30 GB
C - 45 GB
D - 50 GB

References:
EXPLANATION: 50 GB is the capacity of a Blu-ray disc. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 Optical Media Blu-Ray OBJECTIVE: 1.5 Install and configure storage devices and use appropriate media. 1.5.1 Optical drives 1.5.1.3 Blu-Ray

DL DVD Capacity

A DL DVD can hold approximately how much data?

Choices:

A - 5 GB
B - 5 MB
C - 8.5 GB
D - 8.5 MB

References:
EXPLANATION: A DL DVD can hold approximately 8.5 GB of data. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 Basic Storage Devices Selecting Storage OBJECTIVE: 1.5 Install and configure storage devices and use appropriate media. 1.5.9 Media capacity 1.5.9.8 DL DVD

Front Panel Power Button Connector Label

Which label is likely to be on a connector for the power button?

Choices:

A - HDD LED
B - RESET SW
C - POWER SW
D - POWER LED

References:
EXPLANATION: Power switches or buttons will typically be marked with SW for switch. REFERENCE: LearnKey's A+ Certification 2012 Course Session 1 Motherboards Motherboards Bonus Round OBJECTIVE: 1.0 PC Hardware 1.2.9 Front panel connectors 1.2.9.3 Power button

Using Riser Cards

Which is a reason to use a riser card in a PC? Choose all that apply.

Choices:

A - A modem is needed for a motherboard in an ATX case
B - A motherboard with one PCI slot requires two additional slots
C - A motherboard that has no on-board sound and only PCI slots available
D - A computer case is too small for a legacy card necessary for custom software

References:
EXPLANATION: Small cases restrict the size of the cards added to the motherboard. Older cards are typically larger and would fit easier if parallel to the motherboard. Riser cards can also increase the number of cards the motherboard can handle. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 Expansion Cards Riser Cards OBJECTIVE: 1.4 Install and configure expansion cards 1.4.12 Riser cards (daughterboard)

Physical Security

Which option best represents a method of adding a layer of physical security to a laptop?

Choices:

A - Insurance
B - Cable lock
C - Antivirus software
D - Complex password

References:
EXPLANATION: A cable lock is a physical obstacle connected to the laptop and a solid object by a metal cable. When used properly, a cable lock can deter and prevent theft. REFERENCE: LearnKey's A+ Certification 2012 Course Session 5 Laptop Operations Laptop Locks OBJECTIVE: 3.3 Compare and contrast laptop features 3.3.3 Physical laptop lock and cable lock

Static Protection

Which option is a specially designed bag that sheds whatever static electricity touches it?

Choices:

A - ESD bag
B - Antistatic bag
C - Antistatic mat
D - Static package

References:
EXPLANATION: Antistatic bags are used to shed whatever static electricity touches it. REFERENCE: LearnKey's A+ Certification 2012 Course Session 5 Enviromental Controls Component Handling OBJECTIVE: 5.0 Operational Procedures 5.2 Explain environmental impacts and the purpose of environmental controls. 5.2.6 Component handling and protection 5.2.6.1 Antistatic bags

Direction to the Print Head

Which directs the print head?

Choices:

A - Hard drive
B - Print driver
C - Mechanical arm
D - Document center

References:
EXPLANATION: The print head places black and colored ink as directed by the print driver. REFERENCE: LearnKey's A+ Certification 2012 Course Session 5 Understanding Printers Inkjet Printers OBJECTIVE: 4.0 Printers 4.1 Explain the differences between the various printer types and summarize the associated imaging process 4.1.2 Inkjet 4.1.2.1 Ink cartridge, printer head, roller, feeder duplexing assembly, carriage and belt

Identifying Type A Connectors

Click the Exhibit button. Which option represents a Type A USB connector?

Choices:

B - Option B
C - Option C
D - Option D
A - Option A

References:
EXPLANATION: The Type A connector is rectangular and has 4 pins. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 External Connectors USB Versions OBJECTIVE: 1.7 Compare and contrast various connection interfaces and explain their purpose. 1.7.1 Physical connections 1.7.1.1 USB 1.1 vs. 2.0 vs. 3.0 speed and distance characteristics 1.7.1.1.1 Connector types: A, B, mini, micro

Drawbacks to ECC

Which are some drawbacks to ECC?

Choices:

A - Slow and expensive
B - Misses bad data and expensive
C - Misreads good data and erases it
D - Requires too much additional storage space

References:
EXPLANATION: ECC RAM is the slowest and most expensive of RAM types. REFERENCE: LearnKey's A+ Certification 2012 Session 1 System Memory System Memory Bonus Round OBJECTIVE: 1.0 PC Hardware 1.3 Compare and contrast RAM types and features 1.3.1 Types 1.3.1.8 Parity vs. non-ECC

Replacing a Video Card and Self-Grounding

When changing a video card, which option will best self-ground the technician?

Choices:

A - Sit on a chair with plastic wheels
B - Tap circuits to avoid static buildup
C - Take walks every few minutes to release static buildup
D - Continue touching the computer's power supply until installation is finished

References:
EXPLANATION: Maintaining contact with a grounded power supply will reduce the chance of an ESD on a computer component. REFERENCE: LearnKey's A+ Certification 2012 Course Session 5 Safety Procedures ESD OBJECTIVE: 5.0 Operational Procedures 5.1 Given a scenario, use appropriate safety procedures. 5.1.3 Self-grounding

USB Cable Length

Which option represents the maximum length of a single USB 2.0 cable?

Choices:

A - 2 meters
B - 5 meters
C - 10 meters
D - 15 meters

References:
EXPLANATION: USB 2.0 cables are limited to 5 meters. REFERENCE: LearnKey's A+ Certification 2012 Course Session 3 Connectors Connectors Bonus Round OBJECTIVE: 1.11 Identify connector types and associated cables 1.11.4 Device cable types 1.11.4.6 USB

Device Removal

The computer must first be __________ before most devices can be physically removed.

Choices:

A - running
B - rebooted
C - shut down
D - wiped clean

References:
EXPLANATION: The computer must be shut down before most devices can be physically removed. REFERENCE: LearnKey's A+ Certification 2012 Course Session 2 Basic Storage Devices Basic Storage Devices Bonus Round OBJECTIVE: 1.0 PC Hardware 1.5 Install and configure storage devices and use appropriate media 1.5.3 Connection types 1.5.3.3 Hot swappable drives (non-hot swappable devices)

Compare Connections WiMAX

Which option represents the meaning of the acronym, WiMAX?

Choices:

A - Wireless Maximum Distance
B - Wireless Interoperability for Maximum Access
C - Wireless Interoperability for Microwave Access
D - Worldwide Interoperability for Microwave Access

References:
EXPLANATION: WiMAX stands for Worldwide Interoperability for Microwave Access. REFERENCE: LearnKey's A+ Certification 2012 Course Session 4 Internet Connectivity Internet Connection Types OBJECTIVE: 2.7 Compare and contrast Internet connection types and features 2.7.9 WiMAX

Duplexing Assembly in Printers

Which option represents the function of a duplexing assembly?

Choices:

A - Double-print a page
B - Double-toner printing
C - Double-sided printing
D - Double-speed printing

References:
EXPLANATION: The duplex assembly reverses paper to print on both sides. REFERENCE: LearnKey's A+ Certification 2012 Course Session 5 Understanding Printers Laser Printers OBJECTIVE: 4.0 Printers 4.1 Explain the differences between the various types and summarize the associated imaging process. 4.1.1 Laser 4.1.1.1 Imaging drum, fuser assembly, transfer belt, transfer roller, pickup rollers, separate pads, duplexing assembly

Cooling

Which specific type of fans move a larger volume of air and typically produce less noise pollution than their smaller cousins?

Choices:

A - 75 mm
B - 80 mm
C - 100 mm
D - 120 mm

References:
EXPLANATION: A 120 mm fan is able to move a larger volume of air with less noise pollution than other smaller fans. REFERENCE: LearnKey's A+ Certification 2012 Course Session 3 Building the Machine Gaming PC OBJECTIVE: 1.9 Evaluate and select appropriate components for a custom configuration, to meet customer specifications or needs. 1.9.4 Gaming PC 1.9.4.4 High-end cooling

ATX Form Factor Voltage

The original ATX motherboard has 20 power pins. The power supply provides which voltages to the original ATX motherboard? Choose all that apply.

Choices:

A - +5V
B - +12V
C - +3.3V
D - +12.7V

References:
EXPLANATION: The standard voltages supplied to an ATX motherboard are +3.3V, +5V, +12V, -12V and a standby voltage of +5V. REFERENCE: LearnKey's A+ Certification 2012 Course Session 1 Motherboards Motherboards Bonus Round OBJECTIVE: 1.0 PC Hardware 1.2 Differentiate between motherboard components, their purpose, and properties 1.2.1 Sizes 1.2.1.1 ATX

802.1x Authentication

Which are the three roles in the authentication process required by the 802.1x standard?

Choices:

A - An authenticator
B - An authentication server
C - A device requesting access
D - Multiple authentication frequencies

References:
EXPLANATION: The three roles required in the 802.1x authentication process are a device requesting access, an authenticator, and an authentication server. REFERENCE: LearnKey's A+ Certification 2012 Course Session 3 Wireless Communications Wireless Communications Bonus Round OBJECTIVE: 2.0 Networking 2.5 Compare and contrast wireless networking standards and encryption types. 2.5.1 Standards 2.5.1.1 802.11 a/b/g/n

Blu-Ray Bay Size

Which size of bay in the computer case is used to install a Blu-ray driver?

Choices:

A - 2.25-inch
B - 3.5-inch
C - 4.75-inch
D - 5.25-inch

References:
EXPLANATION: Blu-ray drives for the PC install into a 5.25-inch bay in the computer case. REFERENCE: LearnKey's A+ Certification 2012 Course Session 4 Laptop Hardware Internet Components OBJECTIVE: 3.0 Laptops 3.1 Install and configure laptop hardware and components 3.1.2 Hardware/device replacement 3.1.2.4 Optical drive

Understanding Subnet Masks

Which are uses of a subnet mask? Choose all that apply.

Choices:

A - Define host ID of an IP addresses
B - Match host names to IP addresses
C - Identify network ID portion of an IP address
D - Control address used by an IP protocol network

References:
EXPLANATION: Subnet masks are used to infer the host ID and network ID of an IP address as well as allow additional addresses to be implemented within a given address space. REFERENCE: LearnKey's A+ Certification 2012 Course Session 4 TCP/IP Introduction Subnetting OBJECTIVE: 2.0 Networking 2.3 Explain properties and characteristics of TCP/IP. 2.3.7 Subnet mask

Complex Ports

Click the Exhibit button. Which option best represents the port circled?

Choices:

A - DVI
B - VGA
C - HDMI
D - SVGA

References:
EXPLANATION: The port is a Digital Video Interface (DVI) which can connect to monitors, projectors, and newer televisions. There are several types of DVI ports. REFERENCE: LearnKey's A+ Certification 2012 Course Session 5 Laptop Operations Laptop Operations Bonus Round OBJECTIVE: 3.3 Compare and contrast laptop features

DVD Drive Data Connector

Which is the pin count for a DVD drive data connector?

Choices:

A - 4 pins
B - 32 pins
C - 40 pins
D - 44 pins

References:
EXPLANATION: IDE models have the same connections as IDE CD-ROMs and IDE hard drives: 40-pin data connectors and 4-pin Molex power. REFERENCE: LearnKey's A+ Certification 2012 Course Session 4 Laptop Hardware Internet Components OBJECTIVE: 3.0 Laptops 3.1 Install and configure laptop hardware and components 3.1.2 Hardware/device replacement 3.1.2.4 Optical drive

DDR DIMM Memory Module

Which makes it impossible to use the DDR DIMM memory module in the wrong RAM slot?

Choices:

A - One prong
B - Four prongs
C - Two notches
D - Three notches

References:
EXPLANATION: SDRAM DIMMs have two notches; this prevents using the wrong memory module in a RAM slot. REFERENCE: LearnKey's A+ Certification 2012 Session 1 System Memory System Memory Bonus Round OBJECTIVE: 1.0 PC Hardware 1.3 Compare and contrast RAM types and features 1.3.1 Types 1.3.1.1 DDR

IMAP Acronym

Which option represents the meaning of the acronym, IMAP?

Choices:

A - Internal Mail Access Protocol
B - Internet Mail Access Protocol
C - Internal Mail Account Protocol
D - Internet Message Access Protocol

References:
EXPLANATION: IMAP stands for Internet Message Access Protocol. REFERENCE: LearnKey's A+ Certification 2012 Course Session 4 TCP/IP Protocols Service Protocols OBJECTIVE: 2.4 Explain common TCP and UDP ports, protocols, and their purpose. 2.4.1 Ports 2.4.1.7 143 - IMAP

MSDS Standards

MSDS information is required by which organization?

Choices:

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