CompTIA Operating Systems 5

Question 1

Which Windows tool allows a technician to view, start, stop, and configure background services?

Accepted Answer

services.msc

Answer

The Services console (services.msc) provides full control over Windows services including start/stop, startup type configuration, and recovery options.

Question 2

A technician needs to find which process is using a specific TCP port on a Windows machine. Which command is most helpful?

Accepted Answer

netstat -ano

Answer

The 'netstat -ano' command lists active TCP/UDP connections with the local port, remote address, state, and the PID of the owning process.

Question 3

Which Linux filesystem type is commonly used as the default for most modern Linux distributions?

Accepted Answer

ext4

Answer

ext4 is the fourth extended filesystem and is the default filesystem for most mainstream Linux distributions due to its journaling, performance, and reliability.

Question 4

What does the 'ipconfig /flushdns' command do on a Windows machine?

Accepted Answer

Clears the local DNS resolver cache

Answer

The 'ipconfig /flushdns' command purges the local DNS cache, which can resolve name resolution issues caused by stale or incorrect cached DNS records.

Question 5

Which Windows OS feature prevents unauthorized changes by prompting the user for approval or credentials before allowing administrative actions?

Accepted Answer

User Account Control (UAC)

Answer

User Account Control (UAC) prompts users to confirm or provide administrator credentials before allowing programs to make changes that could affect the system.

CompTIA Practice Test

CompTIA Practice Test

CompTIA Operating Systems 5