JNCIS-ENT Layer 2 Security Practice Question
You are configuring MACsec on a link between two EX Series switches to secure data in transit. Which operational command verifies that the MACsec secure channels are established and operational?
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
✓
show macsec connections
The 'show macsec connections' command displays the status of MACsec secure channels, including connectivity association keys (CAK) and security associations (SA).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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show layer2-security macsec summary
Why it's wrong here
There is no layer2-security summary operational command in Junos.
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show macsec connections
Why this is correct
This is the correct operational command to check active MACsec sessions and parameters.
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show ethernet-switching macsec interface
Why it's wrong here
This command syntax is invalid in Junos OS.
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show security macsec status
Why it's wrong here
MACsec commands do not reside under the 'show security' operational command tree.
About these practice questions
Courseiva writes every JNCIS-ENT question from scratch — 506 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. 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 Juniper Networks exam blueprint
This JNCIS-ENT practice question is part of Courseiva's free Juniper Networks 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 JNCIS-ENT exam.