010-160 The Linux Operating System Practice Question
You are trying to troubleshoot why a user cannot connect to your server via SSH. You want to see if the SSH daemon is listening on the appropriate port. Which command should you run?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
ss -tulpn
The ss or netstat commands show active network sockets and the services listening on them.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
host
Why it's wrong here
host is a DNS lookup utility.
- ✗
ping
Why it's wrong here
ping tests connectivity, not open ports.
- ✓
ss -tulpn
Why this is correct
ss -tulpn shows listening TCP/UDP ports.
- ✗
ip link
Why it's wrong here
ip link shows the status of network interfaces.
About these practice questions
One of 190 original 010-160 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official LPI exam blueprint
This 010-160 practice question is part of Courseiva's free LPI certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 010-160 exam.