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Computer Organization and Architecture

Total questions: 81

Worksheet time: 19hrs 48mins

Name
Class
Date
1.

What type of connector is used to connect an analog modem to a telephone line socket?

a)

ST

b)

RJ-11

c)

BNC

d)

RJ-45

2.

Which term best describes the process of breaking a program into smaller parts that can be loaded as needed by the operating system?

a)

multithreading

b)

multiprocessing

c)

multiuser

d)

multitasking

3.

Which type of motherboard expansion slot has four types ranging from x1 to x16 with each type having a different length of expansion slot?

a)

PCIe

b)

AGP

c)

SATA

d)

PCI

4.

Which characteristic describes DDR3 SDRAM?

a)

  • chips that run at clock speeds of 800 MHz and have a connector with 240 pins

b)

  • an individual memory chip that has dual rows of pins used to attach it to the motherboard

c)

  • a small circuit board that holds several memory chips and has a 30- or 72-pin configuration

d)

  • chips specifically designed for video graphics that are used in conjunction with a dedicated GPU

5.

  1. A technician has successfully removed malware from a PC and finds that when the system is rebooted error messages are displayed about missing and corrupt system files. What utility can the technician use to replace or fix any corrupted system files?

a)

  1. ASR

b)

  1. Fixboot

c)

  1. Fixmbr

d)

  1. Regedit

e)

  1. SFC

6.

A technician is building a thick client workstation that would be used to run a database and wants to ensure the best protection against errors. What type of memory would be best suited for this?

a)

ECC

b)

RDRAM

c)

DDR3

d)

DDR2

7.

A user is experiencing issues with system startup and with failing to open some files. The user wants to determine the source of any hard drive issues. What is the best Windows command to select to do the job?

a)

chkdsk

b)

bootrec

c)

ipconfig

d)

diskpart

e)

cls

8.

What indicates that the charge on the CMOS battery could be getting low?

a)

  • A beep error code occurs during POST.

b)

  • The computer time and date are incorrect.

c)

  • The computer fails to boot.

d)

  • Performance while accessing files on the hard drive is slow.

9.

  1. Which smart home technology requires the use of a device, known as a coordinator, to create a wireless PAN?

a)

  1. 802.11ac

b)

  1. 802.11n

c)

  1. Zigbee

d)

  1. Z-Wave

10.

  1. Which IEEE standard is used for PoE?

a)

  1. 802.3af

b)

  1. 802.11af

c)

  1. 802.1q

d)

  1. 802.15

11.

What feature of an operating system allows it to support two or more CPUs?

a)

  • multiprocessing

b)

  • multitasking

c)

  • multiuser support

d)

  • multithreading

12.

  1. As data is being stored on a local hard disk, which method would secure the data from unauthorized access?

a)

  • a duplicate hard drive copy

b)

  • deletion of sensitive files

c)

  • two factor authentication

d)

  • data encryption

13.

  1. Hard drives in a grocery warehouse keep failing because of vibrations in the warehouse environment. What would be a possible solution for this high failure rate?

a)

  • Install an SSD drive in each computer.

b)

  • Install a more powerful power supply in each computer.

c)

  • Install an antistatic mat under each computer.

d)

  • Install each computer in a specialized high airflow case.

14.

  1. What is a function of the BIOS?

a)

  • enables a computer to connect to a network

b)

  • provides temporary data storage for the CPU

c)

  • performs a power-on self test of internal components

d)

  • rovides graphic capabilities for games and applications

15.

  1. Which IPv6 address represents the most compressed form of the IPv6 address 2001:0db8:cafe:0000:0835:0000:0000:0aa0/80?

a)

  1. 2001:0db8:cafe:0000:0835::0aa0/80

b)

  1. 2001:db8:cafe:0000:0835::aa0/80

c)

  1. 2001:0db8:cafe:0000:0835::0aa/80

d)

  1. 2001:db8:cafe::0835::aa0/80

e)

  1. 2001:db8:cafe:0:835::aa0/80

16.

Which ACPI state turns the CPU and RAM off and copies the contents of RAM to a temporary file on the hard disk?

a)

     S0

b)

    S1

c)

S2

d)

S3

e)

S4

17.

During the troubleshooting of a PC that will not boot, it is suspected that the problem is with the RAM modules. The RAM modules are removed and put into another PC, which successfully powers on. The RAM modules are then put back into the original PC and it now successfully powers on as well. What was the most likely cause of the problem?

a)

  • The RAM modules have bad blocks.

b)

  • The RAM modules were not seated firmly.

c)

  • The RAM modules did not match the PC specs.

d)

  • The RAM modules were inserted backwards into the DIMM

    slots

18.

  1. Which network protocol is used to automatically assign an IP address to a computer on a network?

a)

  1. FTP

b)

  1. DHCP

c)

  1. ICMP

d)

  1. SMTP

e)

  1. APIPA

19.

  1. Which type of memory is primarily used as cache memory?

a)

  1. DRAM

b)

  1. RAM

c)

  1. ROM

d)

  1. SRAM

20.

  1. Where is the saved BIOS configuration data stored?

a)

  • cache

b)

  • CMOS

c)

  • hard drive

d)

  • RAM

21.

Which Linux file system introduced the journaled file system, which can be used to minimize the risk of file system corruption in the event of a sudden power loss?

a)

ext2

b)

ext3

c)

CDFS

d)

NFS

22.

Which characteristic describes EPROM?

a)

  • a chip that is nonvolatile and can be erased by exposing it to strong ultraviolet light

b)

  • chips that run at clock speeds of 800 MHz and have a connector with 240 pins

c)

  • chips specifically designed for video graphics that are used in conjunction with a dedicated GPU

d)

  • chips that require constant power to function and are often used for cache memory

23.

  1. A technician is troubleshooting a PC. The display shows an “Invalid Boot Disk” error after the POST. What is a probable cause?

a)

  • The MBR is corrupted.

b)

  • A process is using most of the CPU resources.

c)

  • The date and time have been changed in the BIOS and do not

    reflect the correct time and date.

d)

  • The PC does not have a floppy drive or the floppy drive is

    broken.

e)

  • The PC has a BIOS password.

24.

  1. What is the correct order of the layers of the TCP/IP model from the top layer to the bottom?

a)

  • application, session, network, data link, physical

b)

  • application, internet, network access, transport

c)

  •  network access, transport, internet, application

d)

  • application, transport, internet, network access

25.

Which type of RAM modules are designed for the space limitations of laptops?

a)

  • SODIMMs

b)

  • SRAM

c)

  • SIMMs

d)

  • DIMMs

26.

  1. What is the maximum storage capacity of a single DDR5 DIMM stick?

a)

  1. 64GB

b)

  1. 128GB

c)

  1. 256GB

d)

  1. 32GB

27.

  1. Which type of server would be used to keep a historical record of messages from monitored network devices?

a)

  1. DNS

b)

  1. print

c)

  1. DHCP

d)

  1. syslog

e)

  1. authentication

28.

  1. Which type of interface was originally developed for high-definition televisions and is also popular to use with computers to connect audio and video devices?

a)

  1. FireWire

b)

  1. DVI

c)

  1. HDMI

d)

  1. USB

e)

  1. VGA

29.

Which characteristic describes ROM?

a)

  • a chip that cannot be erased or rewritten and is now obsolete

b)

  • chips that run at clock speeds of 800 MHz and have a

    connector with 240 pins

c)

  • chips specifically designed for video graphics that are used in

    conjunction with a dedicated GPU

d)

  • chips that require constant power to function and are often

    used for cache memory

30.

  1. Which type of hypervisor would most likely be used in a data center?

a)

  1. Type2

b)

  1. Type1

c)

  1. Nexus

d)

  1. Hadoop

31.

  1. An instructor is discussing facts about different mobile device operating software. The instructor states: “This OS uses the system bar, displayed at the bottom of every screen, to navigate apps and screens.” To which OS does this relate: iOS, Android, or both?

a)

  1. Android

b)

  1. iOS

c)

  1. both

32.

  1. Which file system is used to access files over a network?

a)

  1. NFS

b)

  1. NTFS

c)

  1. FAT

d)

  1. CDFS

33.

  1. Refer to the exhibit. How is the connector used in a PC?

a)

  • to connect optical drives

b)

  • to connect disk drives

c)

  • to connect legacy floppy drives

d)

  • to supply power to various internal components

34.

Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?

a)

repeater

b)

hub

c)

switch

d)

router

35.

Users have noticed that the colors on their printed documents are different from the colors that they see on their computer screens. What should the technician do to resolve the issue?

a)

  • Calibrate the printer

b)

  • Install a USB hub

c)

  • Configure the printer for duplex printing

d)

  • Power cycle the printer

e)

  • Update the OS

36.

  1. The current IP configuration of a small company is done manually and is time-consuming. Because of increased network growth, a technician needs a simpler way for IP configuration of workstations. Which service would simplify the workstation IP configuration task?

a)

  1. APIPA

b)

  1. DHCP

c)

  1. DIPS

d)

  1. ICMP

37.

  1. A manager is complaining that the toner is coming off the pages printed by the laser printer. What should the technician do to resolve the issue?

a)

  • Reset the page counter.

b)

  • Clean the printer.

c)

  • Replace the fuser

d)

  • Check the vibration of the crystals.

e)

  • Update the OS.

38.

A system administrator needs to perform manual updates on a remote Linux workstation using a Windows 10 PC. Which remote access tool should the administrator use to securely access and configure the Linux device across the network?

a)

Telnet client

b)

Windows Remote Desktop client

c)

Windows Remote Assistance client

d)

SSH client

39.

What is a characteristic of the open source license of an application software?

a)

  • It requires registration instead of purchasing.

b)

  • It cannot be used for campus-wide deployment.

c)

  • It allows users to modify and share the source code.

d)

  • It does not require purchase in order to use the software.

e)

  • t requires acknowledged completion of a professional training

    course prior to use.

40.

  1. Which component controls the communications and interactions between the CPU and other components on the motherboard?

a)

  1. RAM

b)

  1. BIOS

c)

  1. CMOS

d)

  1. chipset

41.

  1. A technician notices that an application is not responding to commands and that the computer seems to respond slowly when applications are opened. What is the best administrative tool to force the release of system resources from the unresponsive application?

a)

  • Event Viewer

b)

  • System Restore

c)

  • Add or Remove Programs

d)

  • Task Manager

42.

  1. Which network service automatically assigns IP addresses to devices on the network?

a)

  1. DHCP

b)

  1. Telnet

c)

  1. DNS

d)

  1. traceroute

43.

  1. Which well-known port number is used by the DHCP (client) protocol?

a)

  1. 67

b)

  1. 68

c)

  1. 20

d)

  1. 80

e)

  1. 53

44.

A computer has been assigned an IP address of 169.254.33.16. What command initiates the process of requesting a new IP address?

a)

  • ipconfig /release

b)

  • net computer

c)

  • nslookup

d)

  • tracert

45.

  1. When a dual core CPU with Hyper-Threading features is installed on a motherboard, how many instructions can the CPU simultaneously process?

a)

  1. 6

b)

  1. 4

c)

  1. 8

d)

  1. 2

46.

  1. A customer brings in a computer that is asking for a password as soon as it powers on, even before the operating system boots. Which type of password is enabled?

a)

  1. BIOS

b)

  1. login

c)

  1. multifactor

d)

  1. network

e)

  1. synchronous

47.

  1. From which type of data storage does the CPU load information for processing during normal operation?

a)

  • SSD

b)

  • RAM

c)

  • ROM

d)

  • hard drive

48.

Which website should a technician consult to find instructions for updating the BIOS on a computer?

a)

operating system developer

b)

case manufacturer

c)

CPU manufacturer

d)

motherboard manufacturer

49.

A technician is attempting to securely configure a Linux web server on the public-facing side of the firewall. What port type and number are most likely required to be open on the firewall to allow this traffic through?

a)

  • UDP port 23

b)

  • TCP port 23

c)

  • TCP port 22

d)

  • UDP port 22

e)

  • TCP port 3389

50.

  1. Which term describes a file system that supports a partition size up to 16 exabytes?

a)

  1. extended partition

b)

  1. NTFS

c)

  1. logical drive

d)

  1. active partition

51.

During computer forensics investigations, which type of data is lost when power is removed from the computer?

a)

data that is stored on solid state drives

b)

data that is stored in RAM

c)

data that is stored on magnetic disk

d)

data that is stored to an external drive

52.

An administrator is re-imaging a large number of Mac OS X machines. What built-in tool or command can be used to remotely boot the computers?

a)

mstsc

b)

Netboot

c)

Time Machine

d)

Finder

53.

A user logs into Active Directory on a workstation and the user home directory does not redirect to a network share on a file server. A technician suspects that the group policy setting is incorrect. Which command can the technician use to verify the group policy settings?

a)

rstrui

b)

runas

c)

tasklist

d)

gpresult

e)

gpupdate

54.

An instructor is discussing facts about different mobile device operating software. The instructor states: “The mobile devices have a feature called Spotlight that is a search tool that provides information from many sources.” To which OS does this relate: iOS, Android, or both?

a)

iOS

b)

Android

c)

both

55.

A user is trying to create a new Windows directory for storing files related to a new project. What is the best Windows command to select to do the job?

a)

md

b)

ping

c)

tracert

d)

nslookup

e)

help

56.

Which statement describes a characteristic of cloud computing?

a)

A business can connect directly to the Internet without the use of an ISP.

b)

Applications can be accessed over the Internet by individual users or businesses using any device, anywhere in the world.

c)

Devices can connect to the Internet through existing electrical wiring.

d)

Investment in new infrastructure is required in order to access the cloud.

57.

A company has recently deployed Active Directory and now a workstation cannot connect to a network resource. A technician takes corrective action by modifying group policy settings. Which command should the technician use to make the workstation synchronize with the new settings?

a)

runas

b)

gpupdate

c)

gpresult

d)

tasklist

e)

rstrui

58.

Which programming language utilizes scripts that are interpreted and executed line by line when the script is run?

a)

C#

b)

Java

c)
C++
d)

PowerShell

59.

Which is a characteristic of a Type 2 hypervisor?

a)

best suited for enterprise environments

b)

installs directly on hardware

c)

has direct access to server hardware resources

d)

does not require management console software

60.

A technician is upgrading an ATX motherboard with another ATX motherboard. Which component might be affected by this and need to be upgraded and bought as an additional purchase?

a)

BIOS

b)

chipset

c)

CMOS battery

d)

CPU

e)

PCIe adapter

61.

A user wants to extend a primary partition formatted with the NTFS file system with the unallocated space on the hard disk. What must the user do after the primary partition is extended to make it usable?

a)

Convert the disk type to dynamic.

b)

Ensure that the disk type is basic.

c)

Format the disk with the FAT64 file system.

d)

Partition the new space as a basic disk.

62.

What is the maximum amount of physical RAM that can be addressed by a PC running 32-bit Windows 10 Pro?

a)

16 GB

b)

2 GB

c)

4 GB

d)

8 GB

63.

In a computer forensics investigation, which type of data is considered volatile data and can be lost if power is removed from the computer?

a)

data in transit between RAM and the CPU

b)

data stored on an internal drive

c)

data stored on an external drive

d)

data stored on magnetic disks

64.

A technician has been asked to reinstall the OS on a computer that has a corrupted operating system. The technician inserts the installation media in the optical drive. What would be the most likely action the technician should perform next?

a)

Change the boot sequence in the BIOS.

b)

Change the BIOS password.

c)

Flash the BIOS for a firmware upgrade.

d)

Change clock speeds in the BIOS.

65.

A programmer is building a script in order to calculate the corporate bank account balance within two decimal places. Which data type would be used in the script to represent the balance?

a)

char

b)

float

c)

Bool

d)

int

66.

A corporation has expanded to include multiple remote offices around the globe. Which technology should be used to allow the remote offices to communicate and share network resources privately?

a)

Remote Desktop

b)

Remote Assistance

c)

administrative share

d)

VPN

67.

What contains information on how hard drive partitions are organized?

a)

CPU

b)

MBR

c)

BOOTMGR

d)

Windows Registry

68.

Which memory module used to hold instructions for booting a PC and loading the OS, but is still used on adapters even though the memory contents cannot be changed?

a)

RAM

b)

ROM

c)

cache

d)

main memory

69.

A customer has requested that a PC be built that will support eSATA. Which component should be checked to be sure that this feature is supported?

a)

CPU

b)

chipset

c)

hard disk

d)

RAM module

70.

Which type of firewall serves as a relay between users and servers on the Internet, inspects all traffic, and allows or denies traffic based on a set of rules?

a)

packet filtering firewall

b)

stateful packet firewall

c)

proxy firewall

d)

operating system firewall

71.

An IT technician wants to create a rule on two Windows 10 computers to prevent an installed application from accessing the public Internet. Which tool would the technician use to accomplish this task?

a)

Computer Management

b)

DMZ

c)

Local Security Policy

d)

Windows Defender Firewall with Advanced Security

72.

Which TCP port number would be used for remotely connecting to a network switch and configuring it via an unencrypted connection?

a)

20

b)

22

c)

3389

d)

443

73.

Which location on a hard disk is used by the BIOS to search for operating system instructions in order to boot a PC?

a)

the Windows partition

b)

the extended partition

c)

the logical drive

d)

the active partition

74.

Refer to the exhibit. The security policy of an organization allows employees to connect to the office intranet from their homes. Which type of security policy is this?

a)

acceptable use

b)

incident handling

c)

network maintenance

d)

remote access

75.

What is the main function of a hypervisor?

a)

It is used to create and manage multiple VM instances on a host machine.

b)

It is a device that filters and checks security credentials.

c)

It is a device that synchronizes a group of sensors.

d)

It is software used to coordinate and prepare data for analysis.

e)

It is used by ISPs to monitor cloud computing resources.

76.

A customer comes into a computer parts and service store. The customer is looking for a device to scan some old family photos into a laptop. What device should the store owner recommend to accomplish the required task?

a)

  • magstripe reader

b)

  • projector

c)

  •  joystick or gamepad

d)

  • flatbed scanner

77.

  1. Which characteristic describes a SIMM?

a)

  • an individual memory chip that has dual rows of pins used to attach it to the motherboard

b)

  • SRAM that is internal and integrated into the CPU

c)

  • a smaller, more condensed memory module that provides random

    access data storage, ideal for use in laptops, printers, and other

    devices where conserving space is desirable

d)

  • a small circuit board that holds several memory chips and has a 30- or 72-pin configuration

78.

  1. What is the fastest type of memory technology?

a)

  • Quadruple channel

b)

  • SODIMM

c)

  • Double channel

d)

  • SRAM

79.

Which statement describes the proper use of an anti-static wrist strap?

a)

  • An anti-static wrist strap should make contact with the skin.

b)

  • The anti-static wrist strip should not be attached to any grounded object.

c)

  • An anti-static wrist strap should not be used in conjunction with an antistatic mat.

d)

  •  For optimum grounding, the clip should be attached to a painted section of the computer case.

80.

Which characteristic describes ECC memory?

a)

  • chips specifically designed for video graphics that are used in conjunction with a dedicated GPU

b)

  • chips that can detect multiple bit errors and correct single bit errors in memory

c)

  • an individual memory chip that has dual rows of pins used to attach it to the motherboard

d)

  • chips that run at clock speeds of 800 MHz and have a connector with 240 pins

81.

  1. Which characteristic describes a DIP?

a)

  • an individual memory chip that has dual rows of pins used to attach it to the motherboard

b)

  • chips that require constant power to function and are often used for cache memory

c)

  • chips that run at clock speeds of 800 MHz and have a connector with 240 pins

d)

  • chips whose contents can be “flashed” for deletion and are often used to store BIOS

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