Quick Answer
The correct command is request support information, which collects a comprehensive support information snapshot of the current system state, including routing tables, interfaces, configuration, logs, and operational data, all bundled into a single archive file for easy upload to a support ticket. This command is the right choice because it gathers everything a support engineer needs in one step, unlike individual show commands that only capture partial data and require multiple manual runs. On the JNCIA-Junos exam, this question tests your understanding of Junos operational commands for troubleshooting and diagnostics, often appearing as a scenario where a junior engineer must efficiently collect system state for a support case. A common trap is confusing this with show system snapshot, which captures filesystem and software images, not live operational data. Remember the memory tip: "Request support for the full report" — think of request support information as the one-stop shop for all diagnostic details.
This JNCIA-JUNOS practice question tests your understanding of operational monitoring and maintenance. 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.
A junior engineer needs to collect a snapshot of the current system state, including routing tables, interfaces, and configuration, for a support ticket. Which command achieves this?
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 configuration
Why wrong: Only shows configuration, not operational state.
show interfaces
Why wrong: Only shows interface details.
request support information
Gathers comprehensive system data for troubleshooting.
show route
Why wrong: Only shows 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
request support information
The 'request support information' command is the correct choice because it collects a comprehensive snapshot of the current system state, including routing tables, interface details, configuration, logs, and other operational data into a single archive file. This is specifically designed for support tickets, as it bundles all relevant diagnostic information in one step, unlike individual show commands that only capture partial 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 configuration
Why it's wrong here
Only shows configuration, not operational state.
show interfaces
Why it's wrong here
Only shows interface details.
request support information
Why this is correct
Gathers comprehensive system data for troubleshooting.
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 route
Why it's wrong here
Only shows routing table.
Common exam traps
The trap here is that candidates often confuse individual show commands (like 'show route' or 'show interfaces') with the all-in-one 'request support information' command, failing to recognize that only the latter captures the full system state required for a support ticket.
Trap categories for this question
Command / output trap
Only shows configuration, not operational state.
Detailed technical explanation
The 'request support information' command generates a gzipped tar archive (e.g., /var/tmp/support-info-*.tgz) containing output from multiple show commands, log files, and core dumps. This is critical for JTAC (Junos Technical Assistance Center) cases, as it provides a complete system picture without requiring multiple manual commands. The archive includes routing table snapshots, interface configurations, system logs, and even chassis hardware details, ensuring no diagnostic data is missed.
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.
Operational Monitoring and Maintenance — study guide chapter
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FAQ
Operational Monitoring and Maintenance — This question tests Operational Monitoring and Maintenance — Read the scenario before looking for a memorised answer..
The correct answer is: request support information — The 'request support information' command is the correct choice because it collects a comprehensive snapshot of the current system state, including routing tables, interface details, configuration, logs, and other operational data into a single archive file. This is specifically designed for support tickets, as it bundles all relevant diagnostic information in one step, unlike individual show commands that only capture partial 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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