- A
The EEM applet is not registered correctly; it needs to be enabled with 'event manager applet OSPF-MON trigger'
Why wrong: The applet is configured but the trigger condition is not met due to severity.
- B
The syslog pattern matches, but the OSPF ADJCHG message is severity 5, which is below the default EEM syslog severity threshold of 4.
EEM syslog triggers require severity 0-4 by default; OSPF ADJCHG is severity 5.
- C
The 'action 1.0 cli command "enable"' fails because the applet is already in privileged mode.
Why wrong: The enable command is needed to enter privileged mode; it does not cause failure.
- D
The OSPF neighbor change is not generating a syslog message due to logging buffer size.
Why wrong: The syslog message is generated, but the EEM applet does not trigger due to severity.
Quick Answer
The answer is that the EEM applet is not triggering due to syslog severity, because the OSPF ADJCHG message is logged at severity level 5 (notification), which falls below the default EEM syslog severity threshold of 4. By default, an EEM applet triggered by an event syslog pattern only reacts to messages with severity 0 through 4 (emergency through warning), so a severity 5 message is ignored. On the Cisco CCNP ENARSI 300-410 exam, this scenario tests your understanding of how EEM syslog triggers interact with Cisco’s logging severity levels—a common trap is assuming any syslog pattern will fire regardless of severity. Remember that EEM’s default threshold is like a bouncer at a club: only severity 0-4 get in, while level 5 (notification) is left waiting outside. A quick memory tip is “5 is too low for the show”—if the severity is 5 or higher, the applet won’t go.
300-410 Embedded Event Manager (EEM) Practice Question
This 300-410 practice question tests your understanding of embedded event manager (eem). 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 network engineer configures EEM to monitor OSPF neighbor state changes. R1 has: event manager applet OSPF-MON event syslog pattern "%OSPF-5-ADJCHG" action 1.0 cli command "enable" action 2.0 cli command "show ip ospf neighbor" action 3.0 syslog msg "OSPF neighbor change detected". After a link flap, the engineer notices that the EEM applet does not execute. Router R2 shows: OSPF neighbor state changes are logged, but no EEM actions occur. What is the root cause?
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 syslog pattern matches, but the OSPF ADJCHG message is severity 5, which is below the default EEM syslog severity threshold of 4.
The EEM applet uses the syslog pattern trigger, but the OSPF ADJCHG message is logged at severity 5 (notification). By default, EEM syslog triggers only match severity 0-4 (emergency through warning). The engineer must adjust the logging severity or use a different trigger (e.g., event syslog pattern with severity).
Key principle: Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
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 EEM applet is not registered correctly; it needs to be enabled with 'event manager applet OSPF-MON trigger'
Why it's wrong here
The applet is configured but the trigger condition is not met due to severity.
- ✓
The syslog pattern matches, but the OSPF ADJCHG message is severity 5, which is below the default EEM syslog severity threshold of 4.
- ✗
The 'action 1.0 cli command "enable"' fails because the applet is already in privileged mode.
Why it's wrong here
The enable command is needed to enter privileged mode; it does not cause failure.
- ✗
The OSPF neighbor change is not generating a syslog message due to logging buffer size.
Why it's wrong here
The syslog message is generated, but the EEM applet does not trigger due to severity.
Common exam traps
Common exam trap: authentication is not authorization
Logging in proves the user can authenticate. It does not automatically mean the user is allowed to enter privileged or configuration mode. Watch for AAA authorization, privilege level and command authorization details.
Trap categories for this question
Command / output trap
The enable command is needed to enter privileged mode; it does not cause failure.
Detailed technical explanation
How to think about this question
This kind of question is testing the difference between identity and permission. A user may successfully log in to a router because authentication is working, but still fail to enter configuration mode because authorization is missing, misconfigured or mapped to a lower privilege level.
KKey Concepts to Remember
- Authentication checks who the user is.
- Authorization controls what the user is allowed to do after login.
- Privilege levels affect access to EXEC and configuration commands.
- AAA, TACACS+ and RADIUS can separate login success from command access.
TExam Day Tips
- Do not assume successful login means full administrative access.
- Look for words such as cannot enter configuration mode, privilege level, authorization or command access.
- Separate login problems from permission problems before choosing the answer.
Key takeaway
Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
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 Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related 300-410 questions on access control and AAA configuration.
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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) — Authentication checks who the user is..
What is the correct answer to this question?
The correct answer is: The syslog pattern matches, but the OSPF ADJCHG message is severity 5, which is below the default EEM syslog severity threshold of 4. — The EEM applet uses the syslog pattern trigger, but the OSPF ADJCHG message is logged at severity 5 (notification). By default, EEM syslog triggers only match severity 0-4 (emergency through warning). The engineer must adjust the logging severity or use a different trigger (e.g., event syslog pattern with severity).
What should I do if I get this 300-410 question wrong?
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related 300-410 questions on access control and AAA configuration.
What is the key concept behind this question?
Authentication checks who the user is.
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Last reviewed: Jun 18, 2026
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