mediumMultiple ChoiceObjective-mapped
300-410 Practice Question: Consider the following EEM applet configuration:…
Consider the following EEM applet configuration:
!--- event manager applet HIGH_CPU event snmp oid 1.3.6.1.4.1.9.9.109.1.1.1.1.3.1 get-type exact entry-op gt entry-val 90 poll-interval 10 action 1.0 syslog msg "CPU utilization exceeded 90%" !---
What is the problem with this configuration?
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 OID is a scalar, so 'entry-op' and 'entry-val' cannot be used; they are only for table entries.
The 'event snmp oid' command requires a 'get-type' of 'exact' or 'next', but the OID specified is for a specific instance (cpmCPUTotal5sec). However, the OID is not complete; it should include the instance index. Additionally, the 'entry-op' and 'entry-val' are used for table entries, but this OID is a scalar. The correct approach is to use 'event snmp oid' with a scalar OID and use 'poll-interval' with 'entry-op' and 'entry-val' only for table entries. This configuration may cause the applet to not trigger correctly.
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 OID is a scalar, so 'entry-op' and 'entry-val' cannot be used; they are only for table entries.
Why this is correct
Correct. For scalar OIDs, the 'entry-op' and 'entry-val' are not applicable; the applet should use a different event type or specify the OID correctly.
- ✗
The 'poll-interval' is too short and will cause high CPU usage.
Why it's wrong here
Incorrect. The poll interval of 10 seconds is acceptable; the issue is with the use of 'entry-op' and 'entry-val'.
- ✗
The applet will work correctly and generate a syslog message when CPU exceeds 90%.
Why it's wrong here
Incorrect. The configuration is invalid because 'entry-op' and 'entry-val' are not supported for scalar OIDs.
- ✗
The 'get-type exact' is incorrect; it should be 'get-type next'.
Why it's wrong here
Incorrect. 'get-type exact' is valid for scalar OIDs; the problem is the use of 'entry-op' and 'entry-val'.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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