LPIC-2 Network Client Management Practice Question
A company uses NIS for user authentication. A client cannot log in with network accounts but local accounts work. Which command should be used to check if the client is bound to the NIS domain?
⚠ Common exam trap
A common mix-up: candidates confuse `domainname` (which only shows the configured NIS domain) with `ypwhich` (which confirms active binding to a server), leading them to pick D when the actual issue is a missing or failed binding.
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
✓
ypwhich
The `ypwhich` command is used to display the NIS server to which the client is currently bound. If the client is not bound to any NIS domain, `ypwhich` returns an error, confirming the binding issue. This directly checks the NIS client-server binding, which is essential for network authentication.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
ypwhich
Why this is correct
Displays the NIS server currently bound.
- ✗
ypset
Why it's wrong here
Used to set the NIS server, not to query.
- ✗
ypcat passwd
Why it's wrong here
Retrieves passwd map, but requires binding first.
- ✗
domainname
Why it's wrong here
Shows the NIS domain name, not binding status.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This LPIC-2 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 LPIC-2 exam.