IT and Technology Operating Systems & Platforms 5

Question 1

Which CPU scheduling algorithm gives each process a fixed time slice in turn?

Accepted Answer

Round robin

Answer

Round robin rotates through ready processes and gives each one a fixed time quantum.

Question 2

How do containers like Docker mainly differ from virtual machines?

Accepted Answer

Containers share the host OS kernel

Answer

Containers isolate processes but share the host kernel, so they're lighter than VMs.

Question 3

Which Windows edition includes BitLocker and can join an Active Directory domain?

Accepted Answer

Windows 11 Pro

Answer

Pro adds domain join, Group Policy, and full BitLocker, which Home doesn't have.

Question 4

What is a key advantage of a symbolic link over a hard link on Linux?

Accepted Answer

It can point across different file systems

Answer

Symlinks store a path, so they can cross file systems, while hard links must stay on the same file system.

Question 5

Which journaling file system is the default on many Linux distributions such as Debian and Ubuntu?

Accepted Answer

ext4

Answer

ext4 is a journaling file system and the common default on Debian-based Linux.

IT and Technology Practice Test