CompTIA Operating Systems 2

Question 1

A technician needs to check disk usage on a Linux system. Which command displays disk space usage for all mounted filesystems?

Accepted Answer

df -h

Answer

The 'df -h' command displays disk space usage for all mounted filesystems in human-readable format.

Question 2

Which Windows feature allows an administrator to run a command prompt with elevated privileges?

Accepted Answer

Run as administrator

Answer

Right-clicking and selecting 'Run as administrator' launches the application with elevated (administrator-level) privileges.

Question 3

A user reports that Windows takes a very long time to boot. Which tool should a technician use to identify startup programs that are slowing down boot time?

Accepted Answer

Task Manager Startup tab

Answer

The Startup tab in Task Manager shows which programs launch at startup and their startup impact, making it the most direct tool for diagnosing slow boot times.

Question 4

What is the purpose of virtual memory in an operating system?

Accepted Answer

To extend usable RAM by using disk space

Answer

Virtual memory uses a portion of hard disk space (pagefile/swap) to extend the effective amount of RAM available to the system.

Question 5

Which Linux file holds user account information including usernames and home directories?

Accepted Answer

/etc/passwd

Answer

The /etc/passwd file stores user account information such as username, UID, GID, home directory, and default shell.

CompTIA Practice Test

CompTIA Practice Test

CompTIA Operating Systems 2