IT CertificationsComprehensive Study Set

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QUESTION 1

Where is the data for a draft word document or a program such as an Excel spreadsheet normally stored?

ANSWER

Hard drive

QUESTION 2

All the devices connected externally to the system unit are know as what type of devices

ANSWER

Peripherals

QUESTION 3

Where is all the raw data processed in a PC?

ANSWER

CPU

QUESTION 4

What are the most commonly used input devices?

ANSWER

keyboard and mouse

QUESTION 5

What two connectors are used in today's PCs for video output?

ANSWER

HDMI and DVI

QUESTION 6

Where is the data temporary stored while the CPU processes the data?

ANSWER

RAM

QUESTION 7

Where are programs stored until they are needed?

ANSWER

hard drive

QUESTION 8

What sets the CPU speed?

ANSWER

The clock speed

QUESTION 9

What is the closest location of the data to the CPU?

ANSWER

Level 1 cache

QUESTION 10

You have just installed Windows 7, but found out some of your programs will not run as they did with Windows Vista. What could be the problem?

ANSWER

The programs are 64-bit and you installed the 32-bit version of Windows 7

QUESTION 11

How are zero insertion force (ZIF) sockets used?

ANSWER

Makes installing a CPU easier

QUESTION 12

What socket does an Intel CPU use?

ANSWER

LGA

QUESTION 13

What type of socket does an AMD CPU use?

ANSWER

PGA

QUESTION 14

This type of memory has been in use since the beginning and has gone through many improvements, but remains the standard.

ANSWER

DRAM

QUESTION 15

What type of memory runs at the same cadence as the system clock?

ANSWER

SDRAM

QUESTION 16

What type of RAM must be installed in pairs?

ANSWER

RIMM

QUESTION 17

This type of RAM is found in laptops.

ANSWER

SO-DIMM

QUESTION 18

This type of memory uses two paths which theoretically doubles the data transfer rate.

ANSWER

Dual Channel

QUESTION 19

Problems in RAM can bring the system to its knees, but it does inform you with messages. Which of these is the most notable?

ANSWER

BSOD

QUESTION 20

What is name of the main circuit board inside a PC that contains the CPU and RAM?

ANSWER

Motherboard

QUESTION 21

Which form factor board was inspired by Intel and is in use in many PCs today?

ANSWER

ATX

QUESTION 22

What part of the motherboard is responsible for data communications between the CPU and hard drives?

ANSWER

Chipset

QUESTION 23

When a motherboard does not have built-in video or sound, which of these features is mandatory?

ANSWER

Expansion bus

QUESTION 24

What is a 64 bit wide and runs at 133 MHz?

ANSWER

PCI-X

QUESTION 25

What is a 32 bit wide and runs at 33 MHz?

ANSWER

PCI

QUESTION 26

What is the measurement of electrical pressure?

ANSWER

Volts

QUESTION 27

Electrical current that flows in only one directions is

ANSWER

DC

QUESTION 28

What is the measurement of electrical power?

ANSWER

wattage

QUESTION 29

What is measured when amps are being calculated?

ANSWER

current, flow

QUESTION 30

Which connecter for hard drives has been replaced by SATA connectors?

ANSWER

Molex

QUESTION 31

What is the term for the separate sections of the PSU that supplies power for the 3.3-, 5-, and 12-volt requirements?

ANSWER

Rails

QUESTION 32

What is the speed for SATA 2?

ANSWER

3 Gb/s

QUESTION 33

Which one of these devices looks like a hard drive to the operating system?

ANSWER

SSD

QUESTION 34

What are the interfaces used by solid state drives?

ANSWER

SATA/AHCI and PCIe/NVMe

QUESTION 35

A motherboard with a built-in RAID controller is categorized as what type of RAID?

ANSWER

Firmware

QUESTION 36

What appears as a single large drive?

ANSWER

RAID 0 Array

QUESTION 37

What uses an expansion card to create and manage drive arrays?

ANSWER

Hardware RAID

QUESTION 38

Which one of this prefixes is a part of the decimal prefixes?

ANSWER

Kilo

QUESTION 39

Which one of these prefixes is a part of the IEC binary prefixes?

ANSWER

Mebi

QUESTION 40

Slow performance is when something in your PC . . .

ANSWER

prevents your system from optimal operation

QUESTION 41

What cleans your drives and solves slow performance?

ANSWER

Disk Cleanup

QUESTION 42

What kind of tool is Defragmentation as a default?

ANSWER

Automatic

QUESTION 43

What is the original format of audio CDs?

ANSWER

CDDA

QUESTION 44

What is the most common DVD format used?

ANSWER

DVD+R

QUESTION 45

What is the capacity of a Blu-ray Disc?

ANSWER

25 GB

QUESTION 46

What is the speed of low-speed USB?

ANSWER

1.5 MB

QUESTION 47

What input device is used for video conferencing?

ANSWER

Webcam

QUESTION 48

What must not be used to clean an optical mouse?

ANSWER

Spray Cleaner

QUESTION 49

Which of these devices are used to capture the Universal Product Code (UPC)?

ANSWER

Bar Code Reader

QUESTION 50

What is a format for a flash memory?

ANSWER

Secure Digital

QUESTION 51

What are the specific settings for a device in use?

ANSWER

Configuration

QUESTION 52

Which of these interfaces can transport both video and audio signals at the same time on their individual cables?

ANSWER

HDMI and DisplayPort

QUESTION 53

Where is the actual image composed before it is displayed?

ANSWER

GPU

QUESTION 54

What is the smallest addressable element in a display device?

ANSWER

Pixel

QUESTION 55

Which device uses DLP?

ANSWER

Projector

QUESTION 56

Which type of display device will use an inverter?

ANSWER

LCD Panel

QUESTION 57

What is the current (2016) standard for the default resolution of a LCD display?

ANSWER

1920x1080

QUESTION 58

What is the role of the RAMDAC?

ANSWER

Convert digitally encoded images into analog signals that can be displayed by a monitor

QUESTION 59

Which of these is not category(CAT) for network cabling ?

ANSWER

6e

QUESTION 60

What hardware uses punch down tool ?

ANSWER

110 block

QUESTION 61

Which of these is not indicated by the link lights

ANSWER

Data loss

QUESTION 62

How many wires are in a CAT 6 cable?

ANSWER

8

QUESTION 63

Data is moved from one computer to the next in discrete chunks known as frames. What is the maximum amount of data in each chunk?

ANSWER

1500 bytes

QUESTION 64

What cable supports long lengths, and is immune to electromagnetic interference?

ANSWER

Fiber Optic

QUESTION 65

What command can you use to show the IP address, subnet mask, and default gateway for a computer?

ANSWER

lpconfig

QUESTION 66

What is the network portion of an IP address?

ANSWER

Network ID

QUESTION 67

What are the commands that can help manually get a IP address?

ANSWER

ipconfig/renew and ipconfig/release

QUESTION 68

How many ranges are there for a private address?

ANSWER

3

QUESTION 69

What is the command for continuous pings?

ANSWER

ping/t

QUESTION 70

What is the command for showing connections to and from your computer ?

ANSWER

Netstats

QUESTION 71

What directs all inbound ports to a single IP host

ANSWER

DMZ

QUESTION 72

Which of these is not an 802.11 standard used with computers?

ANSWER

802.11c

QUESTION 73

Which technology improves the gain when using wireless technologies?

ANSWER

MIMO

QUESTION 74

What is the most basic form security in wireless networks?

ANSWER

SSID

QUESTION 75

What uses the 5-GHZ band and runs at 1 GB/s?

ANSWER

802.11ac

QUESTION 76

Which TCP port is used to receive an email?

ANSWER

110

QUESTION 77

What will the command netstat-n display?

ANSWER

Active connections

QUESTION 78

Where does an ISP normally access the Internet?

ANSWER

Tier 3

QUESTION 79

What does dial-up networking use for communication?

ANSWER

POTS

QUESTION 80

Which TCP port is used to send email

ANSWER

25

QUESTION 81

What is an unsecured remote connection utility that uses port 23?

ANSWER

Telnet

QUESTION 82

What is secure and uses port 443?

ANSWER

HTTPS

QUESTION 83

What can help you manage your laptop energy and performance?

ANSWER

Power plan

QUESTION 84

What is the best energy saving mode just short of turning the laptop off?

ANSWER

Hibernation

QUESTION 85

Which expansion feature accepts cards measuring 30mm x 51 mm and has 52 pins?

ANSWER

Mini PCI Express

QUESTION 86

How can a laptop utilize a large monitor and external storage while in the office?

ANSWER

Use a docking station

QUESTION 87

What are types of screen backlight

ANSWER

LED and CCFL

QUESTION 88

What enables you to connect devices to laptop

ANSWER

Laptop ports

QUESTION 89

What is an example of a purpose built device?

ANSWER

E-reader

QUESTION 90

What is an example of a wearable device

ANSWER

Google glass

QUESTION 91

What is an example of a smart phone?

ANSWER

Galaxy S9

QUESTION 92

Which cable could you use to connect to projector with a tablet

ANSWER

MHL, but the tablet most support MHL

QUESTION 93

Which printer uses an erase lamp in the printing process

ANSWER

Laser

QUESTION 94

What are extra rollers and part included with expensive printers called

ANSWER

Maintenance kit

QUESTION 95

What is the main part of the laser printer used to create a printed page

ANSWER

Photosensitive drum

QUESTION 96

Which printer uses pins to print the image on paper

ANSWER

Dot matrix

QUESTION 97

What unit is responsible for making sure the ink sticks to he paper in the laser printing process

ANSWER

Fuser assembly

QUESTION 98

Which of these will not cause poor print when using an inkjet printer ?

ANSWER

Print spooler

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