JNCIS-ENT Layer 2 Security Practice Question
An administrator configures MACsec with pre-shared keys (PSK) between two EX Series switches. After applying the configuration, the secure channel fails to establish. Which operational command should be used to troubleshoot the MKA session state and connectivity?
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
To view MACsec and MKA operational status, session states, and connectivity associations, the command 'show macsec connections' is used.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
show macsec connections
Why this is correct
The 'show macsec connections' command provides detailed MKA session and MACsec link status.
- ✗
show ethernet-switching macsec interface
Why it's wrong here
This is not the correct operational path for MACsec.
- ✗
show protocols mka sessions
Why it's wrong here
MKA does not have a 'show protocols mka' operational command.
- ✗
show security macsec status
Why it's wrong here
MACsec commands are not located under the security hierarchy for operational checks.
About these practice questions
This JNCIS-ENT question is part of Courseiva's 506-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam 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.