Quick Answer
The answer is the 'show snmp' operational command. This is correct because when verifying SNMP trap configuration, you need to confirm that the device has properly defined trap destinations and enabled trap groups, both of which are displayed in the output of 'show snmp'. Without this command, you cannot see whether the NMS IP address is listed under trap-receiver or if the correct trap categories are active. On the JNCIA-Junos exam, this question tests your ability to distinguish between general operational commands and SNMP-specific troubleshooting tools; a common distractor is 'show configuration snmp', but the exam expects the operational command, not the configuration mode view. A helpful memory tip is to think of "show snmp" as your single-pane-of-glass for all SNMP status—if traps aren't flowing, this command shows you the destination and group settings at a glance.
This JNCIA-JUNOS practice question tests your understanding of operational monitoring and maintenance. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 network engineer notices that a device is not sending SNMP traps to the NMS. Which operational command should be used to verify SNMP configuration?
show system uptime
Why wrong: Shows uptime, unrelated to SNMP.
show route
Why wrong: Shows routing table, not SNMP.
show snmp
Displays SNMP configuration and trap settings.
show interfaces terse
Why wrong: Shows interface status, not SNMP config.
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 snmp
The 'show snmp' command in Junos displays the current SNMP configuration, including community strings, trap destinations, and enabled trap groups. Since the issue is that the device is not sending SNMP traps, this command allows the engineer to verify that trap destinations are correctly configured and that the appropriate trap groups are enabled. Other commands like 'show system uptime' or 'show route' do not provide any SNMP-specific configuration details.
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 system uptime
Why it's wrong here
Shows uptime, unrelated to SNMP.
show route
Why it's wrong here
Shows routing table, not SNMP.
show snmp
Why this is correct
Displays SNMP configuration and trap settings.
Related concept
Read the scenario before looking for a memorised answer.
show interfaces terse
Why it's wrong here
Shows interface status, not SNMP config.
Common exam traps
The trap here is that candidates often confuse 'show snmp' with 'show snmp statistics' or 'show snmp mib walk', but the question specifically asks for verifying configuration, not statistics or MIB data, making 'show snmp' the correct operational command.
Trap categories for this question
Command / output trap
Shows uptime, unrelated to SNMP.
Detailed technical explanation
SNMP traps are unsolicited notifications sent from an SNMP agent to a network management system (NMS) based on predefined events. In Junos, the 'show snmp' command outputs the SNMP configuration hierarchy, including trap-group settings under 'snmp trap-group', which define the target NMS IP addresses and the specific events (e.g., link-up, link-down) that trigger traps. A common oversight is failing to configure both the trap destination and the trap group; 'show snmp' reveals both, helping isolate misconfigurations like missing target addresses or incorrect community strings.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
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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: show snmp — The 'show snmp' command in Junos displays the current SNMP configuration, including community strings, trap destinations, and enabled trap groups. Since the issue is that the device is not sending SNMP traps, this command allows the engineer to verify that trap destinations are correctly configured and that the appropriate trap groups are enabled. Other commands like 'show system uptime' or 'show route' do not provide any SNMP-specific configuration details.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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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