- A
The applet 'TRACK-INTERFACE' is configured to trigger on syslog message 'OSPF-5-ADJCHG' and execute three actions in order: show ip route, show ip ospf neighbor, and send a syslog message.
Correct. The output shows the event and three actions with step numbers indicating order.
- B
The applet 'TRACK-INTERFACE' is currently executing and has run the first two actions.
Why wrong: Incorrect. This shows the configuration, not the execution state.
- C
The applet 'TRACK-INTERFACE' has a syntax error because the actions are not numbered correctly.
Why wrong: Incorrect. The step numbers 1.0, 2.0, 3.0 are valid EEM action numbering.
- D
The applet 'TRACK-INTERFACE' will only execute the first action because the others are commented out.
Why wrong: Incorrect. All three actions are listed without any comment indicators.
Quick Answer
The correct interpretation is that the output from the show event manager policy configuration TRACK-INTERFACE command reveals the applet named TRACK-INTERFACE is configured to trigger on a syslog event matching the pattern "OSPF-5-ADJCHG" and will execute three actions sequentially: running show ip route, then show ip ospf neighbor, and finally generating a custom syslog message. This is correct because the output directly displays the event trigger under the "event" line and lists each action with a step number (e.g., action 1.0), which dictates the precise order of execution within the Embedded Event Manager (EEM) policy. On the Cisco CCNP ENARSI 300-410 exam, this question tests your ability to read and verify EEM applet configurations, a common troubleshooting skill for network automation and fault detection. A frequent trap is misreading the action numbering—remember that the decimal (e.g., 1.0, 2.0) indicates the sequence, not a priority level. Memory tip: think of the decimal as a "step number" in a recipe—each action is a step you take in order after the event triggers the timer.
300-410 Embedded Event Manager (EEM) Practice Question
This 300-410 practice question tests your understanding of embedded event manager (eem). 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 runs the following command to troubleshoot an EEM issue:
R1# show event manager policy configuration TRACK-INTERFACE
Applet TRACK-INTERFACE event syslog pattern "OSPF-5-ADJCHG" action 1.0 cli command "show ip route" action 2.0 cli command "show ip ospf neighbor" action 3.0 syslog msg "OSPF adjacency change detected"
What does this output indicate?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
The applet 'TRACK-INTERFACE' is configured to trigger on syslog message 'OSPF-5-ADJCHG' and execute three actions in order: show ip route, show ip ospf neighbor, and send a syslog message.
The output shows the configuration of a specific EEM applet. It displays the event trigger and the actions in order. Each action has a step number (e.g., 1.0) that determines the order of execution. This is useful for verifying the applet configuration.
Key principle: OSPF neighbour adjacency depends on matching area, hello/dead timers, network type, and authentication — IP reachability alone is not enough.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
The applet 'TRACK-INTERFACE' is configured to trigger on syslog message 'OSPF-5-ADJCHG' and execute three actions in order: show ip route, show ip ospf neighbor, and send a syslog message.
Why this is correct
Correct. The output shows the event and three actions with step numbers indicating order.
Related concept
OSPF neighbours must agree on key parameters.
- ✗
The applet 'TRACK-INTERFACE' is currently executing and has run the first two actions.
Why it's wrong here
Incorrect. This shows the configuration, not the execution state.
- ✗
The applet 'TRACK-INTERFACE' has a syntax error because the actions are not numbered correctly.
Why it's wrong here
Incorrect. The step numbers 1.0, 2.0, 3.0 are valid EEM action numbering.
- ✗
The applet 'TRACK-INTERFACE' will only execute the first action because the others are commented out.
Why it's wrong here
Incorrect. All three actions are listed without any comment indicators.
Common exam traps
Common exam trap: OSPF can fail even when IP connectivity looks correct
OSPF neighbour formation depends on matching areas, timers, network type, authentication and passive-interface behaviour. Do not choose an answer only because the devices can ping.
Trap categories for this question
Command / output trap
Incorrect. This shows the configuration, not the execution state.
Detailed technical explanation
How to think about this question
OSPF questions usually test the details that control adjacency and route selection. Read the neighbour state, area, router ID and interface configuration before deciding what is wrong.
KKey Concepts to Remember
- OSPF neighbours must agree on key parameters.
- Router ID selection can affect neighbour relationships and LSDB output.
- OSPF cost influences the preferred path.
- A route can appear in OSPF information but not become the installed route.
TExam Day Tips
- Check area mismatch first when OSPF adjacency fails.
- Review passive interfaces when a network is advertised but no neighbour forms.
- Use show ip ospf neighbor and show ip route clues carefully.
Key takeaway
OSPF neighbour adjacency depends on matching area, hello/dead timers, network type, and authentication — IP reachability alone is not enough.
Real-world example
How this comes up in practice
A network engineer at a university connects two campus buildings via a fibre link. Both routers run OSPF, but no adjacency forms — even though both routers can ping each other. The engineer finds one router is in area 0 and the other in area 1. OSPF adjacency requires matching area numbers, hello/dead timers, and network type. IP reachability alone is not enough.
What to study next
Got this wrong? Here's your next step.
Review OSPF neighbour requirements — matching area type, hello and dead timers, network type, stub flags, and authentication. Study show ip ospf neighbor states (INIT, 2-WAY, FULL). Then practise related 300-410 OSPF questions on adjacency and route selection.
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FAQ
Questions learners often ask
What does this 300-410 question test?
Embedded Event Manager (EEM) — This question tests Embedded Event Manager (EEM) — OSPF neighbours must agree on key parameters..
What is the correct answer to this question?
The correct answer is: The applet 'TRACK-INTERFACE' is configured to trigger on syslog message 'OSPF-5-ADJCHG' and execute three actions in order: show ip route, show ip ospf neighbor, and send a syslog message. — The output shows the configuration of a specific EEM applet. It displays the event trigger and the actions in order. Each action has a step number (e.g., 1.0) that determines the order of execution. This is useful for verifying the applet configuration.
What should I do if I get this 300-410 question wrong?
Review OSPF neighbour requirements — matching area type, hello and dead timers, network type, stub flags, and authentication. Study show ip ospf neighbor states (INIT, 2-WAY, FULL). Then practise related 300-410 OSPF questions on adjacency and route selection.
What is the key concept behind this question?
OSPF neighbours must agree on key parameters.
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Last reviewed: Jun 18, 2026
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