CompTIA Operating Systems 4

Question 1

Which Windows edition is the minimum required to join a computer to an Active Directory domain?

Accepted Answer

Windows Pro

Answer

Windows Pro (and higher editions) support joining an Active Directory domain; Windows Home does not include this capability.

Question 2

A Linux administrator wants to view the last 50 lines of a log file in real time as new entries are written. Which command is most appropriate?

Accepted Answer

tail -f -n 50 /var/log/syslog

Answer

The 'tail -f -n 50' command shows the last 50 lines and continues to display new lines as they are appended, making it ideal for live log monitoring.

Question 3

What is the function of the pagefile.sys file in Windows?

Accepted Answer

Acts as virtual memory by storing data swapped out of RAM

Answer

Pagefile.sys is Windows' paging file that stores memory pages swapped out of physical RAM, effectively extending available memory to the system.

Question 4

Which macOS command-line tool is used to manage software packages installed via Homebrew?

Accepted Answer

brew

Answer

The 'brew' command is the Homebrew package manager's CLI tool used to install, update, and remove software packages on macOS.

Question 5

A technician receives a 'Stop Error' (Blue Screen of Death) on a Windows machine. Which file should be analyzed first to identify the cause?

Accepted Answer

Minidump (.dmp) file

Answer

Minidump files (located in C:\Windows\Minidump) capture memory state at the time of a crash and are analyzed with tools like WinDbg to identify the cause.

CompTIA Practice Test

CompTIA Practice Test

CompTIA Operating Systems 4