Quick Answer
The answer is the command 'show route hidden'. This command is the correct choice because it specifically displays all routes that are present in the routing table but are not active due to issues such as an unreachable next-hop, a rejected route, or a routing policy that has suppressed the entry. When an administrator sees no output for a configured route, it means the route is hidden from the standard 'show route' output, and this command reveals the reason by listing the inactive routes along with their status codes. On the JNCIA-Junos exam, this question tests your understanding of the Junos routing table structure and the difference between active, inactive, and hidden routes—a common trap is confusing a hidden route with a missing route or assuming the forwarding table is the same as the routing table. Remember the memory tip: if a route is "hiding" from view, use 'show route hidden' to bring it into the light.
This JNCIA-JUNOS practice question tests your understanding of routing fundamentals. 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 executes 'show route 192.168.1.0/24' and sees no output, but the route is configured. Which command should be used to display the reason the route is not active?
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 route hidden
This command reveals hidden routes with reasons for their status.
show log messages
Why wrong: Logs may not show route status; this is not a direct diagnostic command.
show route protocol static
Why wrong: This shows static routes but does not indicate hidden status unless combined with 'hidden'.
show route forwarding-table
Why wrong: This shows the forwarding table, not the underlying routing table.
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 route hidden
The correct answer is A. The command 'show route hidden' displays all routes that are not active due to issues like unreachable next-hops, rejection, etc. Option B shows only static routes, not necessarily hidden. Option C shows the forwarding table, not the routing table. Option D shows log messages, not route status.
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 route hidden
Why this is correct
This command reveals hidden routes with reasons for their status.
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 log messages
Why it's wrong here
Logs may not show route status; this is not a direct diagnostic command.
show route protocol static
Why it's wrong here
This shows static routes but does not indicate hidden status unless combined with 'hidden'.
show route forwarding-table
Why it's wrong here
This shows the forwarding table, not the underlying routing table.
Common exam traps
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Trap categories for this question
Command / output trap
Logs may not show route status; this is not a direct diagnostic command.
Detailed technical explanation
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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 JNCIA-JUNOS exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Routing Fundamentals — study guide chapter
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FAQ
Routing Fundamentals — This question tests Routing Fundamentals — Read the scenario before looking for a memorised answer..
The correct answer is: show route hidden — The correct answer is A. The command 'show route hidden' displays all routes that are not active due to issues like unreachable next-hops, rejection, etc. Option B shows only static routes, not necessarily hidden. Option C shows the forwarding table, not the routing table. Option D shows log messages, not route status.
Identify which JNCIA-JUNOS exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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 24, 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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