This JNCIA-JUNOS practice question tests your understanding of user interfaces. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
An administrator wants to view the current operational status of interface ge-0/0/1 on a Junos device. Which command displays this information?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "which command"
Why it matters: Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
show interfaces terse ge-0/0/1
Shows operational status in concise format.
show configuration interfaces ge-0/0/1
Why wrong: Shows configuration, not operational status.
monitor interface ge-0/0/1
Why wrong: Continuous monitoring, not a single view.
show interface ge-0/0/1
Why wrong: Invalid command; correct is 'show interfaces'.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
show interfaces terse ge-0/0/1
The 'show interfaces terse ge-0/0/1' command displays a concise, one-line summary of the operational status of the specified interface, including its administrative and link state, protocol status, and configured IP addresses. This is the correct command for viewing the current operational status because 'terse' filters the output to show only the essential operational details without configuration data.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
show interfaces terse ge-0/0/1
Why this is correct
Shows operational status in concise format.
Clue confirmation
The clue word "which command" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
show configuration interfaces ge-0/0/1
Why it's wrong here
Shows configuration, not operational status.
monitor interface ge-0/0/1
Why it's wrong here
Continuous monitoring, not a single view.
show interface ge-0/0/1
Why it's wrong here
Invalid command; correct is 'show interfaces'.
Common exam traps
The trap here is that Cisco engineers often expect 'show interface' (singular) to work, but Junos strictly requires the plural 'interfaces' for operational commands, and candidates may confuse 'show configuration' (which shows config) with 'show interfaces terse' (which shows operational status).
Trap categories for this question
Command / output trap
Shows configuration, not operational status.
Detailed technical explanation
The 'show interfaces terse' command is particularly useful in automation and scripting because its output is easily parsed and includes the interface name, admin status (up/down), link status (up/down), protocol family (inet, inet6, etc.), and any configured addresses. In a real-world scenario, an administrator troubleshooting a down link would use this command to quickly confirm whether the interface is administratively disabled ('down') or physically disconnected ('down' with no carrier), without the clutter of full interface statistics.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the JNCIA-JUNOS exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
User Interfaces — This question tests User Interfaces — Read the scenario before looking for a memorised answer..
The correct answer is: show interfaces terse ge-0/0/1 — The 'show interfaces terse ge-0/0/1' command displays a concise, one-line summary of the operational status of the specified interface, including its administrative and link state, protocol status, and configured IP addresses. This is the correct command for viewing the current operational status because 'terse' filters the output to show only the essential operational details without configuration data.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "which command". Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
This JNCIA-JUNOS 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 JNCIA-JUNOS exam.
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