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Basic IT Operations MCQ

1. Which part of the network assigns an IP address?

The modem using TCP/IP protocol

The gateway/router using DHCP

The device's NIC based on the MAC address

IP addresses are always assigned manually

Answer

Correct Answer: The gateway/router using DHCP

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2. What is the technical reason why you must properly eject media?

File I/O is buffered. If you remove the media before the buffer is cleared, files remain open and potentially corrupt.

The Storage Inventory Manager (SIM) can lose its drive references, which may corrupt other storage in the system.

The drive must receive the eject signal and turn itself off, dropping the DTR signal and indicating the media is safe to remove.

The computer must stop the 5-volt signal to media, otherwise the drive may short.

Answer

Correct Answer: File I/O is buffered. If you remove the media before the buffer is cleared, files remain open and potentially corrupt.

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3. Tania was told to address an issue in the UEFI. How is it accessed?

By using the System Configuration Utility (MSCONFIG)

From the BIOS

From the computer's startup menu

On the network

Answer

Correct Answer: From the BIOS

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4. If you had a 255.255.255.0 subnet mask, how many usable IP addresses would you have for hosts?

255

254

256

Answer

Correct Answer: 254

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5. A computer power supply is measured in _.

Watts

Hertz

Amperes

Volts

Answer

Correct Answer: Watts

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6. What are the best tools to use for cleaning a computer?

Handheld vaccume cleaner, air can, soft flashlight.

Air can, microfiber cloth, alcohol wipes, flashlight.

Handheld vaccum cleaner, ammonia, alcohol, microfiber cloth.

Air can, screwdriver, soft cloth, household cleaner

Answer

Correct Answer: Handheld vaccum cleaner, ammonia, alcohol, microfiber cloth.

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7. You receive a malware warning regarding a specific file. Which approach should you take to ensure you do not have false positive?

Restart in Safe Mode to remove the file.

Remove the file.

Run a thorough scan to validate the results.

Quarantine the file.

Answer

Correct Answer: Run a thorough scan to validate the results.

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8. Which is an example of a phishing attach?

Yousef sees an onscreen notification indicating that an operating system is pending and instructing him to click a link to continue.

After visiting a website, Carla notices that her computer is running slowly.

Bob receives an email from his bank, asking him to click a link to verify his account.

Ellen's email inbox is flooded with unwanted advertising.

Answer

Correct Answer: Bob receives an email from his bank, asking him to click a link to verify his account.

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9. Which user has the smartest approach to online security?

Jarred uses a unique password for each site.

Jen uses the same password on each site, but with two-factor authentication.

Jason uses a unique password for each site along with two-factor authentication.

Jackie uses the same password on each site, but with a different user name.

Answer

Correct Answer: Jason uses a unique password for each site along with two-factor authentication.

Note: This Question is unanswered, help us to find answer for this one

10. What is the difference between a USB hub and a powered USB hub?

The powered hub has a power supply and is suitable for running powered peripherals.

A powered USB hub is found on the computer case; all other hubs are non-powered.

The powered hub supplies 12V of power, whereas the standard hub only 5V.

Powered hubs are external to the computer case.

Answer

Correct Answer: The powered hub has a power supply and is suitable for running powered peripherals.

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11. How many wire pairs are in a CAT-5 cable?

Answer

Correct Answer: 4

Note: This Question is unanswered, help us to find answer for this one

12. The mouse pointer is behaving erratically. What should you do first?

Use the keyboard instead

Restart the computer

Clean the mouse, specifically its optical sensor, and ensure that you are using it on the proper surface

Disassemble the mouse to look for loose parts or corrosion

Answer

Correct Answer: Clean the mouse, specifically its optical sensor, and ensure that you are using it on the proper surface

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13. Which security tool can be doubled up to offer additional protection without being redundant?

Account protection

Firewall

Antivirus

Backup

Answer

Correct Answer: Backup

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14. You power up your computer and it starts in Safe Mode. What should you do?

Restart the computer

Work as you normally do until the problem is resolved

Reconfigure the startup sequence so that the system starts again normally

Determine the cause and address the issue

Answer

Correct Answer: Restart the computer

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15. Which key asssists limited keyboard layouts (such as on a laptop) with accessing the full range of keys?

Alt (Windows) or Option (Mac)

16. Which is the standard color coding for audio jacks?

Gray: microphone / Black: speakers

Red: microphone / Green: speakers

Green: microphone / Pink: speakers

Green: speakers / Pink: microphone

Answer

Correct Answer: Green: speakers / Pink: microphone

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17. What is referred to by SSID

Service Set Identifier, a wireless network's name

An older security protocol for Wi-Fi networks

The server-side ID used to identify devices on a network

The MAC address broadcast for a wireless network

Answer

Correct Answer: Service Set Identifier, a wireless network's name

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18. What are the long-term and short-term categories of storage in a computer?

Memory and permanent (drive) storage

SSD and HDD

RAM and ROM

Standard memory and cache memory

Answer

Correct Answer: Memory and permanent (drive) storage

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19. What is a fixed disk

Mass storage that has ben repaired

Nonremovable mass storage

Any internal mass storage device

Any mass storage device that is not a SSD

Answer

Correct Answer: Nonremovable mass storage

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20. While planning a conference at a center in the mountains, you call ahead to ensure that it has broadband Internet access. Wich connection type would be an unsuitable choice?

DSL

Fiber optic

Cable

Dial-up

Answer

Correct Answer: Dial-up

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21. You notice that a program crashes at a specific time. Which tool can you use in Windows to discover the cause?

Task Manager

Event Viewer

Perfomance Monitor

Resource Monitor

Answer

Correct Answer: Event Viewer

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22. The local network is up, but the computers cannot access the Internet. Your Internet configuration includes a modem, gateway (router), and a switch as separate devices. What should you do?

Do nothing. Wait until service is restored.

Restart all computers on the network.

Restart the gateway (router).

Restart the modem.

Answer

Correct Answer: Restart the modem.

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23. What is the process of moving data and programs from an old computer to a new one called?

Migration

An official term does not exist, though it is colloquieally referred to as a brain transplant.

Profile transfer

Account cloning

Answer

Correct Answer: Profile transfer

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24. Al is about to update a software driver. What would be a wise thing to do first?

Back up all files.

Save data and close programs.

Remove the older driver.

Sign out of the operating system.

Answer

Correct Answer: Back up all files.

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25. Which service allows clients to work remotely and supplies the clients with an IP address on the same local area network as the offce?

DNS

FTP

VPN

HTTP

Answer

Correct Answer: VPN

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26. The operating system tells you that a file is busy. What is the fastest way to attempt to make the file un-busy?

Run a disk-checking utility.

Close open programs.

Restart the computer.

Review the output of the netstat utility to check for incoming connections to the file.

Answer

Correct Answer: Close open programs.

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27. You are replacing a processor. How do you build the processor "sandwich", top-down?

Fan, paste, processor, socket

Fan, processor, socket

Fan, paste, processor, paste, socket

Fan, processor, paste, socket

Answer

Correct Answer: Fan, paste, processor, socket

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28. The primary mass storage device is divided into two partitions. What would explain this arrangement?

There is one partition for the operating system and a separate partition for user data.

All drives contain a second partition for the MBR (Master Boot Record).

The drive is partitioned to maintain compatibility with older versions of the operating system.

The system has two users who are each getting a partition.

Answer

Correct Answer: There is one partition for the operating system and a separate partition for user data.

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29. The client/server model best represents _.

Multiple hosts interacting with a single computer

An application consisting of cooperating programs across the Internet

Any program run by a user

A subscription service on the web

Answer

Correct Answer: Multiple hosts interacting with a single computer

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30. How can you tell that the website you are visiting is sending and receiving data that has been encrypted?

The URL is HTTPS.

You are using an incognito window.

The site requires a login and password.

You can't tell because a website's security settings are not readily apparent in a browser window.

Answer

Correct Answer: The URL is HTTPS.

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31. An application is unresponsive. How can you effectively close it down?

Restart the computer.

Sign out.

Wait or set the application aside until it quits eventually on its own.

Use the Task Manager (Windows) or use Force Quit (Mac).

Answer

Correct Answer: Use the Task Manager (Windows) or use Force Quit (Mac).

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32. You think that the Internet is down. How can you know for certain?

All of these answers.

You cannot reach any websites.

The power is out.

The lights on the modem are off.

Answer

Correct Answer: All of these answers.

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33. After plugging in an external 3.5mm microphone, you stop hearing sound from the speakers. What is the most likely source of the problem?

You have plugged the microphone into the 3.5mm audio output jack.

The sound is muted.

The sound card has crashed.

The computer has connected to a nearby Bluetooth headset.

Answer

Correct Answer: You have plugged the microphone into the 3.5mm audio output jack.

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34. A _ allows you to plug computers into a central location to communicate on the same local area network.

Server

Layer 2 switch

Wireless access point

Firewall

Answer

Correct Answer: Server

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35. Miguel is working on the computer, and Jen needs to use it for a moment. What can Miguel do to provide for an easy transition?

Shut down the system.

Sign out.

Restart the computer.

Let Jen take over.

Answer

Correct Answer: Sign out.

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36. Networking wire is referred to as _

CAT-5 or CAT-6 Ethernet cable

Thin pair or twisted pair

Asynchronous digital (AD) cable

Coax cable

Answer

Correct Answer: CAT-5 or CAT-6 Ethernet cable

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37. What is the name of the hardware that provides a computer with network access?

BIOS

RJ-45

NIC

Router

Answer

Correct Answer: NIC

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38. On a trackpad, what gesture commonly replaces "center mouse wheel" for things like scrolling through documents?

Pinch outward

Scroll with thumb instead

Two-finger swipe

Force click and drag

Answer

Correct Answer: Two-finger swipe

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39. What is the most important thing to do before opening a computer case?

Turn off and unplug the computer.

Disconnect all of the cables.

Close your programs, sign out of your account, and turn off the computer.

Ground yourself.

Answer

Correct Answer: Turn off and unplug the computer.

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40. Angela ran a diagnostic that shows an ever-decreasing amount of memory in her computer. What could be the problem?

DRAM is failing.

A program has a memory leak.

There is no problem. It's normal for available memory to decrease the longer you use the system.

Another user has signed into the system

Answer

Correct Answer: A program has a memory leak.

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41. Which program controls the Windows startip sequence?

MSCONFIG

Task Manager

The Computer Management Console

The UEFI

Answer

Correct Answer: MSCONFIG

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42. Which statement about a modular power supply is true?

It is built from a cluster of smaller, easier-to-install power supplies.

Its power output can be varied to save electricity.

Its cables are detachable.

It has dedicated power reserved for different computer components.

Answer

Correct Answer: Its cables are detachable.

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43. Mass storage inside a desktop computer case is usually found where?

In an expansion slot

Attached to the front of the case

In a drive cage

On the motherboard

Answer

Correct Answer: In a drive cage

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44. What is one difference between a drive and media?

The drive is where the data is stored and the media is the data itself.

A drive is hardware that reads media.

These are two terms for the same thing: storage.

The terms apply only to removable storage, where the drive is the slot and the media is the thumb drive or media card inserted into the slot.

Answer

Correct Answer: The drive is where the data is stored and the media is the data itself.

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45. Walt's computer is several years old and he wants to ensure that the system works until he gets a replacement. What should he do first?

Run a file check daily.

Obtain an extended warranty.

Back up his data.

Ensure that the system is protected against malware.

Answer

Correct Answer: Back up his data.

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46. A Bluetooth peripheral is prompting for a passcode to complete the pairing/connection process. What is the peripheral, most likely?

Keyboard

All of these answers

Mouse

Headset

Answer

Correct Answer: All of these answers

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47. Which type of storage has the fastest data access speeds?

Secure Sockets Layer drive

Solid-state drive

Serial attached storage device

SCSI drive

Answer

Correct Answer: Solid-state drive

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48. What must you confirm before performing a processor upgrade?

The new processor is compatible with the current motherboard.

The new processor is the same type as the old.

The new processor is compatible with the operating system.

The new processor fits into the old processor's slot.

Answer

Correct Answer: The new processor is compatible with the current motherboard.

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49. Does an incognito window prevent websites from tracking your activity on the web?

No. Incognito mode only prevents the site from appearing in your browser history.

Yes. Incognito mode encrypts data packets, making it difficult for websites to track your activity.

No. Some websites track by ID, and if you sign into a site even in incognito, your activity is known.

Yes. Incognito mode blocks all cookies and tracking IDs and suppresses browser history.

Answer

Correct Answer: No. Some websites track by ID, and if you sign into a site even in incognito, your activity is known.

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50. To which choice can the wget program be considered similar?

Tracert

Netstat

Ping

CURL

Answer

Correct Answer: CURL

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51. Your computer boots at very low resolution that cannot be increased through display settings. What is the most likely solution?

The connection between the display and the computer is loose.

You need to reinstall the display drivers.

You need to replace your monitor.

Some of your RAM is failing.

Answer

Correct Answer: You need to reinstall the display drivers.

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52. What does the acronym RAID refer to?

Repeating Architecture for Internal Drives

Recoverable Advanced Integration and Duplication

Redundant Array of Independent Disks

Replicated Array of Internal Devices

Answer

Correct Answer: Redundant Array of Independent Disks

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53. Which components are typically found on the motherboard?

Basic I/O graphics NIC battery expansion slots

Basic I/O cooling NIC graphics expansion slots

Basic I/O graphics NIC mass storage expansion slots

Basic I/O graphics NIC power supply expansion slots

Answer

Correct Answer: Basic I/O graphics NIC battery expansion slots

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54. The recent Windows update introduced some quirks in the system. How can you enter the Windows Recovery Environment to recover from the update?

Hold the Shift key when selecting the Restart command.

Restart in Safe Mode where the Recovery item is located on the Start menu.

Press the any key at the boot screen.

Go to the Task Manager Startup tab.

Answer

Correct Answer: Hold the Shift key when selecting the Restart command.

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55. Which hardware port would not be found on a typical gateway?

WAN

USB

LAN

Uplink

Answer

Correct Answer: Uplink

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56. A client needs to secure their cafe's wireless network, which is used only by employees. What is the best approach for a finite list of devices?

Limit access to specific MAC addresses.

Do not broadcast the SSID.

Apply a metered connection.

Apply a password.

Answer

Correct Answer: Limit access to specific MAC addresses.

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57. Which choice is not a typical adjustment found on a monitor?

Resolution

Color temperature

Contrast

Brightness

Answer

Correct Answer: Resolution

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58. The computer consistently boots into Safe Mode. How would you address this issue?

Edit the Registry key that controls the boot sequence.

Hold the Shift key as Windows boots.

Check the MSCONFIG utility to ensure that Normal boot is selected.

Fix the issue in Safe Mode that is causing the system to restart in this mode.

Answer

Correct Answer: Fix the issue in Safe Mode that is causing the system to restart in this mode.

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59. What is the I/O panel?

The location where expansion cards can connect to peripherals

A cluster of ports and connectors found on the back of the computer case

The switches that turn on, sleep, and turn off the computer

The portion of the motherboard where non-power cables connect

Answer

Correct Answer: A cluster of ports and connectors found on the back of the computer case

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60. Can you connect a DisplayPort monitor to a USB-C port on your computer?

Yes. The DisplayPort cable plugs directly into the USB connector.

Yes. An adapter or dongle may be required.

No. While you can rig a connection, video quality will be poor.

No. The two standards are incompatible.

Answer

Correct Answer: Yes. An adapter or dongle may be required.

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