20+ practice questions focused on Operational Monitoring and Maintenance — one of the most tested topics on the Juniper Networks Certified Associate Junos JNCIA-Junos exam. Each question includes a detailed explanation so you learn why the right answer is correct.
Start Operational Monitoring and Maintenance PracticeA network engineer notices that a device is not sending SNMP traps to the NMS. Which operational command should be used to verify SNMP configuration?
Explanation: 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.
A network administrator is troubleshooting high CPU usage on a Juniper router. Which command helps identify which process is consuming the most CPU?
Explanation: The 'show system processes extensive' command displays detailed information about all running processes, including CPU utilization, memory usage, and process IDs. This allows the administrator to identify which process (e.g., routing protocol daemon, management daemon) is consuming the most CPU cycles, directly addressing the troubleshooting need.
After a software upgrade, BGP sessions are not establishing. The engineer runs 'show bgp summary' and sees that all sessions are in Idle state. What is the most likely cause?
Explanation: The Idle state in BGP indicates that the session has not started the connection process, often because the BGP configuration is incomplete or missing. If the BGP group configuration is missing, the router has no peers to initiate sessions with, so all sessions remain in Idle. This is the most likely cause when all sessions are in Idle after a software upgrade, as configuration elements may be lost or not applied.
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?
Explanation: 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.
A network engineer wants to schedule a reboot of a Juniper device at 3:00 AM. Which command should be used?
Explanation: Option C is correct because the 'request system reboot at 03:00' command schedules a one-time reboot of the Juniper device at the specified time (3:00 AM). The 'at' parameter allows the engineer to set an absolute time for the reboot, which is the exact requirement for scheduling a reboot at a specific future time.
+15 more Operational Monitoring and Maintenance questions available
Practice all Operational Monitoring and Maintenance questions1. Baseline your knowledge
Start with 10 questions to gauge your current understanding of Operational Monitoring and Maintenance. This tells you whether you need a concept refresher or just practice.
2. Review every explanation
For each question — right or wrong — read the full explanation. Understanding why an answer is correct is more valuable than knowing the answer itself.
3. Focus on exam traps
Operational Monitoring and Maintenance questions on the JNCIA-JUNOS frequently use trap wording. Look for subtle differences in answers that test your precision, not just general knowledge.
4. Reach 80% consistently
Do repeated sessions until you score 80%+ three times in a row. Then move to mixed-mode practice to test cross-topic recall under realistic conditions.
The exact number varies per candidate. Operational Monitoring and Maintenance is tested as part of the Juniper Networks Certified Associate Junos JNCIA-Junos blueprint. Practicing with targeted Operational Monitoring and Maintenance questions ensures you can handle any format or difficulty that appears.
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Difficulty is subjective, but Operational Monitoring and Maintenance is a high-priority exam concept tested in multiple ways — direct recall, scenario analysis, and command-output interpretation. Consistent practice is the best way to build confidence.
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