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CompTIA A+ Core 2: Practice Test 4

CompTIA A+ Core 2: Practice Tests

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A+ Core 2 Practice Test 4

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Question 1 of 20

1. Question
You want to hide the battery percentage displayed on the menu bar of macOS Sonoma 14. Which category in the system settings can turn off the battery percentage? (Refer to the exhibit.)
- A. General
- B. Accessibility
- C.Displays
- D. Control Centre
- E. None of these
Correct

Incorrect
Question 2 of 20

2. Question
Jane is using an app that was developed by her company for internal use. She runs the app on her MacBook Air (13-inch, mid-2021). The app quits unexpectedly without displaying any error messages. The other apps on her machine work without any problem. She wants to help her development group isolate the issue. Which troubleshooting tools or techniques would you advise to isolate the issue best?
- A. Disk Utility
- B. Verbose mode
- C. Activity Monitor
- D. Console
Correct

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Question 3 of 20

3. Question
Which process in macOS lists applications that store documents and data in iCloud?
- A. Select iCloud Drive from the Finder sidebar and click the Applications folder.
- B. Log into iCloud.com and click Settings to view support applications.
- C. Select iCloud Drive from the Applications folder.
- D. Click Internet Accounts in System Settings and then click on iCloud.
Correct

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Question 4 of 20

4. Question
Josh wants you to update all the apps on an Ubuntu system. Which single command can update all the apps on Ubuntu Linux?
- A. sudo apt-get install newpackage
- B. yum install syncthing
- C. sudo apt-get install new-packages
- D. sudo apt-get update
Correct

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Question 5 of 20

5. Question
Your colleague executes the command “chmod 664 abc.doc” and then runs “cp *.doc myfilesonly”. What do these commands accomplish? (Choose two.)
- A. Removed the abc.doc file
- B. Changed the owner of the abc.doc file
- C. Copied all .doc files to a subfolder named myfilesonly in the current folder
- D. Copied all .doc files to a network folder named myfilesonly
- E. Changed the permissions of the owner and the group to read/write and others to read-only
Correct

Incorrect
Question 6 of 20

6. Question
You want to back up a few important documents and images on your Ubuntu system, but you do not want to use the rsync command. Which GUI application can you use to ease up the backup process?
- A. Photorec
- B. Grsync
- C. Sudo backup
- D. Copy and paste the files to a backup device
Correct

Incorrect
Question 7 of 20

7. Question
Which system implementation allows a Linux system to communicate and share files with a Windows system?
- A. Samba
- B. grep
- C. Z-shell
- D. dig
Correct

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Question 8 of 20

8. Question
You are using Red Hat Enterprise Linux 8 and want to update an existing software package. Which commands check for and install software updates? (Choose two.)
- A. yum -findupdates
- B. yum check-update
- C. yum update
- D. yum check-update -find //update
- E. sudo apt-get update
Correct

Incorrect
Question 9 of 20

9. Question
The security department wants to monitor the backdoors that people do not use to enter the premises. Which motion sensor is suitable for detecting heat signatures?
- A. Passive sensor
- B. Active sensor
- C. Magnetic sensor
- D. Photo sensor
Correct

Incorrect
Question 10 of 20

10. Question
Which biometric technology is the hardest to break into and is only installed at the entrance to highly sensitive areas?
- A. Palm print scan
- B. Retina scan
- C. Fingerprint scan
- D. Facial scan
Correct

Incorrect
Question 11 of 20

11. Question
Your organization requires all employees to have access to only the resources that are absolutely necessary for their jobs. It means that a database administrator will have access to the database servers only. Which principle is being implemented in this scenario?
- A. Principle of Elevated Privilege
- B. Principle of Fast Privilege
- C. Principle of Least Privilege
- D. Principle of Last Privilege
Correct

Incorrect
Question 12 of 20

12. Question
You want to restrict the domain users in your department from accessing the command prompt and installing any software on their Windows systems. Which Windows Active Directory feature can help you accomplish this task?
- A. Domain-based group policy
- B. Domain-based restrictive script
- C. Domain-based logon scripts
- D. Active Directory Federation Services (ADFS)
Correct

Incorrect
Question 13 of 20

13. Question
You are testing automated door locks that utilize IoT (Internet of Things) technology. Which Wi-Fi protocol is considered the safest for such devices?
- A. WPA (Wi-Fi Protected Access)
- B. WPA3 (Wi-Fi Protected Access 3)
- C. WPA 2 (Wi-Fi Protected Access 2)
- D. WEP2 (Wired Equivalent Privacy 2)
Correct

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Question 14 of 20

14. Question
AES symmetrical keys with 256 bits can produce ____________ possible keys. (Fill in the blank.)
- A. 1.1 x 10⁷⁷
- B. 3.4 x 10³⁸
- C. 6.2 x 10⁵⁷
- D. 6.8 x 10⁸⁹
Correct

Incorrect
Question 15 of 20

15. Question
Whenever you log into the company servers, you must type your username and password first and then type an OTP (one-time password) sent to your mobile device. What type of authentication does this refer to?
- A. Single-factor authentication (SFA)
- B. Multi-dimensional authentication (MDA)
- C. Two-factor authentication (2FA)
- D. Three-factor authentication (3FA)
Correct

Incorrect
Question 16 of 20

16. Question
Which security threats are most commonly delivered via email? (Choose two.)
- A. Trojan
- B. Phishing
- C. Shoulder surfing
- D. Social engineering
- E. Spam
Correct

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Question 17 of 20

17. Question
Which of the following attack vectors causes frequent browser redirections on a Windows system?
- A. Adware
- B. Trojan
- C. Worm
- D. Virus
Correct

Incorrect
Question 18 of 20

18. Question
How does polymorphic malware evade detection on a Windows system?
- A. Changing its signature by storing and changing the checksum from the contents of each file
- B. Changing the checksum from the content of each file
- C. Breaking the code in multiple lines and hiding it within the checksum of each file on the computer
- D. By encrypting the malicious code and storing it in the shortcuts of a popular software.
Correct

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Question 19 of 20

19. Question
You want to prevent a local application from reaching a specific website due to security concerns. Which of the following methods can achieve this objective? (Select two.)
- A. Configure the local Windows system for a static IP
- B. Disable all wireless network connections
- C. Block the application in the Windows firewall
- D. Change network location to Work
- E. Reroute the web address in the HOSTS file
Correct

Incorrect
Question 20 of 20

20. Question
Security personnel often use mantraps and turnstiles to prevent which of the following security threats?
- A. Shoulder surfing
- B. Whaling
- C. Impersonation
- D. Tailgating
Correct

Incorrect

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