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CompTIA A+ Core 2 2023 past questions and answers

This 2023 CompTIA A+ Core 2 set has 20 practice questions. Try these 5 free sample questions, tap a question to reveal the answer and explanation. Then practise the whole 2023 set with instant marking.

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Sample CompTIA A+ Core 2 2023 questions

1. A small business needs a new Windows 11 laptop to join its existing on-premises Active Directory domain. Which edition meets this requirement?
  1. Windows 11 Home
  2. Windows 11 Pro
  3. Windows 11 Home in S mode
  4. Windows 11 SE

Answer: B. Windows 11 Pro

Windows 11 Pro supports joining a traditional on-premises Active Directory domain. Home and Home in S mode do not provide that domain-join capability, while SE is not the appropriate business edition.

2. A Windows 11 workstation starts several unwanted third-party programs automatically. Which built-in location is the most direct way to disable those programs from launching at sign-in?
  1. Disk Management
  2. Device Manager
  3. Task Manager, Startup apps
  4. Windows Memory Diagnostic

Answer: C. Task Manager, Startup apps

Task Manager's Startup apps section lets an administrator disable applications that launch at sign-in. Disk Management handles storage, Device Manager handles hardware, and Memory Diagnostic tests memory.

3. A macOS user needs to retrieve an earlier version of a document from a configured automatic backup. Which macOS utility should the user open?
  1. Time Machine
  2. Disk Utility
  3. Activity Monitor
  4. Keychain Access

Answer: A. Time Machine

Time Machine is macOS's built-in backup and file-restoration utility. Disk Utility manages disks, Activity Monitor shows running processes, and Keychain Access stores credentials and certificates.

4. On a Linux system, a report file should allow its owner to read and write, its group to read, and all other users to have no access. Which command sets those permissions?
  1. chmod 755 report.txt
  2. chmod 600 report.txt
  3. chmod 644 report.txt
  4. chmod 640 report.txt

Answer: D. chmod 640 report.txt

The octal value 640 gives the owner read/write (6), the group read-only (4), and others no permissions (0). 644 grants others read access, while 600 removes group read access.

5. An administrator must encrypt the entire system volume of a Windows 11 Pro laptop and use a recovery key if the user forgets the PIN. Which feature is designed for this purpose?
  1. Encrypting File System (EFS)
  2. BitLocker
  3. File History
  4. Windows Defender Firewall

Answer: B. BitLocker

BitLocker provides full-volume encryption and recovery-key options on supported Windows editions. EFS encrypts selected files, File History backs up files, and the firewall filters network traffic.

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