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Question 1

when triggered what sends a signal to the computer to start recording

Answer 1

motion sensors respond to external movement when triggered they send a signal to the computer to start recording

Question 2

what happens to bus speed and power usage when you plug multiple drives into a usb hub?

Answer 2

the bus speed decrease because all devices share the same total bandwidth

Question 3

which port type offers the fastest transfer speed?

Answer 3

SuperSpeed USB

Question 4

user complains that they get an error message “Hub power exceeded” when she plugs her new thumb drive into her Usb keyboard’s external USB port Worse the device wont work, what is most likely the problem?

Answer 4

the thumb drive drew too much power for the hub to handle

Question 5

what is the fastest speed that Hi Speed USB 2.0 can go?

Answer 5

Hi Speed USB 2.0 has a theoretical maximum of 480 Mbps

Question 6

what is the maximum cable length for USB 2.0?

Answer 6

USB has a maximum cable length of 5 meters

Question 7

how many speakers are in a Dolby Digital 5.1 setup?

Answer 7

5 speakers and 1 subwoofer

Question 8

what type of fule is a MIDI file?

Answer 8

MIDI file is a text file

Question 9

which optical disc type offers the most capacity for writing and rewriting data files?

Answer 9

BD-RE offers the highest rewritable capacity

Question 10

user has cable subscription and wants to watch through his computer what else does he need?

Answer 10

TV tuner card or attach one via USB and the plug his cable into it

Question 11

what is a thin client

Answer 11

thin clients rely on servers to perform anything beyond the most basic computing tasks

Question 12

what three functions does a home server PC provide

Answer 12

home servers share files, stream media, and share printers

Question 13

what does COMPTIA call a PC case built for a home theater

Answer 13

HTPC cases enable your PC to blend in with your home theater equipment

Question 14

what is the most important component for building a virtualization workstation

Answer 14

every virtual machine you run consumes a large share of RAM so more RAM more virtualization

Question 15

what is the most common boot method for installing windows 8

Answer 15

boot to windows 8 DVD and install from there (or in-place upgrades)

Question 16

when you install an operating system alongside an existing operating system what do you create?

Answer 16

multiboot system

Question 17

if you do not complete the activation process for windows 7 what will happen to your computer

Answer 17

work fine for 30 days then disables

Question 18

if windows locks up during the installation what should you do?

Answer 18

unplug computer and restart the installation process

Question 19

which term describes a combination of many updates and fixes in windows vista/7?

Answer 19

a service pack

Question 20

youve replace old windows 7 pc with new pc and windows 8.1 what post installation tool should you run to make the transition as painless as possible?

Answer 20

windows easy transfer tool

Question 21

what is the name of the program that boots windows

Answer 21

bootmgr is used to boot the OS

Question 22

what is the name of the command line version of the task manager

Answer 22

tasklist

Question 23

user needs to register an important .DLL file as a command component in the registry, what command line tool should they use?

Answer 23

regsvr32

Question 24

when using Performance Monitor, which settings are defined to track resource usage?

Answer 24

you need to configure objects and counters

Question 25

which of the following are organized inside the Registry's root keys?

Answer 25

subkeys and values

Question 26

which root key contains the data for a system's non-user-specific configurations?

Answer 26

HKEY_LOCAL_MACHINE root key

Question 27

which of the following tools enables programmers to share objects between applications and computers?

Answer 27

Component Services enables programmers to share objects between applications and computers

Question 28

the BIOS looks for what to launch OS?

Answer 28

BIOS looks for the MBR (master boot record) which finds the boot code to launch the OS

Question 29

how do you open the Registry Editor from the command prompt?

Answer 29

regedit or regedt32

Question 30

user calls the help desk to complain that a certain program has locked up. In such a scenario which tool should the user use to force the program o quit and how should he open the program?

Answer 30

task manager CRTL SHIFT ESC

Question 31

which tool or mechanism defines what resources a user may access and what he or she may do with those resources?

Answer 31

Authorization through NTFS defines resources a user may access and they can do with those resources

Question 32

describe the best password for a user named Joy who has a pet named Fido and birth date of January 8, 1982

Answer 32

oddvr88* for example | it has non alpha numeric characters and is not based on any of user's personal information

Question 33

how can you encrypt an entire drive, including file and folders belonging to other users?

Answer 33

BitLocker Drive Encryption enables you to encrypt an entire drive, including files and folders belonging to other users

Question 34

what feature in windows 7 opens a consent prompt for stand users to enter administrator credentials to accomplish various tasks reserved for the latter group?

Answer 34

the User Account Control feature in windows 7 provides a consent prompt for standard users to enter the administrator credentials to accomplish various task normally reserved for the Administrator group

Question 35

which permission enables an administrator to change the ownership of a file without knowing the user account password for the file?

Answer 35

the Take Ownership permission enables an administrator to change the ownership of a file without knowing the user account password

Question 36

you copy a file from a folder on a HDD formatted as NTFS with permissions set to Read for everyone, to USB flash drive formatted as FAT32, what effective permissions does the copy of the file have?

Answer 36

copying from a NTFS to a FAT32, it has no effective permission at all

Question 37

which command is used to change the file permissions in Linux?

Answer 37

chmod

Question 38

which tool in Windows 8.1 enables you to create a new user account based on global Microsoft accounts?

Answer 38

the settings charm in windows 8.1 enables you to create a new user account based on global microsoft accounts

Question 39

which option enables you to share files easily among multiple users on a single Windows 8 system?

Answer 39

the Public Libraries make it easy to share files among multiple users of a single system

Question 40

what tool enables you to modify what programs start when windows 7 starts?

Answer 40

msconfig

Question 41

what tool enables you to modify what programs start when windows 8.1 starts?

Answer 41

task manager

Question 42

what does System Information do?

Answer 42

give you wide variety of information about your system

Question 43

what file system enables you to encrypt file thus making them unviewable by any account but your own?

Answer 43

the Encryption File System EFS enables you to encrypt files

Question 44

what tool enables you to correct a corrupted Windows operating system by reverting your computer to a previous state?

Answer 44

System Restore

Question 45

what is Data Execution Prevention (DEP)?

Answer 45

DEP prevents viruses from taking control of programs loaded into memory

Question 46

if you install a driver on your system and it causes problems which tool can you use to ROLLBACK to a previous driver?

Answer 46

the Roll Back Driver options in Device Manager is a great tool for fixing driver problems

Question 47

when performing automatic updates Windows 7 uses which feature to download additional updates for other Microsoft products?

Answer 47

the Microsoft Updates feature downloads additional for other Microsoft products such as Office

Question 48

you bought a new gamepad and used the Add a Device wizard to install but it still wont work, what should you do next?

Answer 48

check the manufacturer's website and windows updates for the latest drivers

Question 49

what tool is used in Mac OS X to perform full system backups?

Answer 49

Mac OS X uses Time Machine to perform full sytem backups

Question 50

what feature included in windows 8, 8.1 and 10 allows you to regularly backup your important files and folders?

Answer 50

File History is an awesome back up tool that enables you to perform backups of important files and folders