CloudsArk
Commands Linux

ss Interview Questions and Answers

Review common ss interview questions with practical answers and command examples.

ss Interview Questions and Answers

Introduction

These questions test whether you understand what ss does, when to use it, and how to verify the result on Linux.

Beginner Questions

What does ss do?

It shows sockets, listening ports, and network connections.

Show a basic command.

ss -tuln

Intermediate Questions

Name useful options.

  • -t: show TCP sockets.
  • -u: show UDP sockets.
  • -l: show listening sockets.

Show a common administrator command.

ss -tulpn

Scenario-Based Questions

How would you handle ss listening ports?

sudo ss -tulpn

What would you verify afterward?

ss -s

Expected output should look similar to:

Total: 512
TCP:   18 (estab 4, closed 6, orphaned 0, timewait 6)

Practical Task Questions

Practice in a lab by running a safe version of the command, explaining the target, and showing the verification output.

Quick Review

ss -tuln
ss -tulpn
ss -s

Summary

A strong ss answer includes the purpose, a correct example, a common mistake, and a verification command with output you can interpret.