easyMultiple Choice
300-410 Practice Question: Runs the following command on Router R1: R1# show…
A network engineer runs the following command on Router R1:
R1# show snmp mib
MIB: IF-MIB MIB: SNMPv2-MIB MIB: IP-MIB MIB: CISCO-CONFIG-MAN-MIB MIB: ENTITY-MIB
Based on this output, which statement is correct?
⚠ Common exam trap
Cisco often tests the misconception that 'show snmp mib' lists only Cisco proprietary MIBs, but the output includes standard MIBs like IF-MIB and SNMPv2-MIB, so candidates must recognize that both standard and proprietary MIBs can be supported.
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 router supports monitoring of configuration changes via SNMP.
The output of 'show snmp mib' lists the MIBs that the router supports. The presence of CISCO-CONFIG-MAN-MIB indicates that the router supports the Cisco Configuration Management MIB, which allows SNMP to monitor and manage configuration changes, such as when a configuration is saved or modified. Therefore, option A is correct.
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 router supports monitoring of configuration changes via SNMP.
Why this is correct
CISCO-CONFIG-MAN-MIB is present in the MIB list, and that MIB exposes configuration change and event objects. Its presence confirms the router can report configuration modifications through SNMP, satisfying the monitoring requirement implied by the command output.
- ✗
The router does not support the IF-MIB.
Why it's wrong here
IF-MIB is explicitly listed in the output, so the router does support it. The option is tempting because IF-MIB concerns interface statistics, and an engineer might assume it is absent when interfaces are not being polled, but the command output directly contradicts the claim.
- ✗
The router only supports Cisco proprietary MIBs.
Why it's wrong here
The output lists IF-MIB, SNMPv2-MIB, IP-MIB and ENTITY-MIB, all standards-based, so support is not limited to Cisco proprietary MIBs. It is tempting because CISCO-CONFIG-MAN-MIB does appear, but a single vendor MIB alongside four standard ones does not make the device proprietary-only.
- ✗
The ENTITY-MIB is used for entity authentication.
Why it's wrong here
ENTITY-MIB models physical and logical inventory components such as chassis, slots and sensors; it carries no authentication function, which belongs to SNMPv3's USM. It is tempting because the name suggests identity or access control, and would be correct for querying hardware inventory data.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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