SAC Automation, Scripting, and Virtualization 2

Question 1

Which PowerShell cmdlet is used to iterate over each item in a collection and execute a script block for each?

Accepted Answer

ForEach-Object

Answer

ForEach-Object (alias %) pipes each input object to a script block specified with -Process.

Question 2

In a Bash script, what does the special variable '$?' hold?

Accepted Answer

The exit status of the last executed command

Answer

$? stores the exit code (0 = success, non-zero = failure) of the most recently executed command.

Question 3

Which Ansible module is best suited for copying a file from the control node to managed hosts?

Accepted Answer

copy

Answer

The copy module transfers files from the control node (or a remote location) to managed hosts.

Question 4

What is the purpose of a hypervisor's 'snapshot' feature in a virtualized environment?

Accepted Answer

To capture the state of a VM at a specific point in time

Answer

A snapshot preserves the VM's disk, memory, and configuration state so it can be restored to that exact moment later.

Question 5

In Python scripting for sysadmin tasks, which module provides functions for interacting with the operating system such as listing directory contents?

Accepted Answer

os

Answer

The os module exposes OS-level calls like os.listdir(), os.getcwd(), and os.path operations.

(SAC) System Administration Certification Practice Test