hardMultiple ChoiceObjective-mapped
300-410 Router R9 is configured with SNMP and NetFlow Practice Question
Router R9 is configured with SNMP and NetFlow. The NMS uses SNMP to poll NetFlow statistics. The configuration includes: snmp-server community public RO, snmp-server enable traps netflow. However, the NMS cannot poll NetFlow MIB objects. The router's show snmp mib shows that the NetFlow MIB is not loaded. What is the root cause?
⚠ Common exam trap
Cisco often tests the misconception that SNMP traps and MIB polling are independent of the underlying feature configuration; the trap here is assuming that enabling SNMP traps for NetFlow automatically loads the NetFlow MIB, when in fact the MIB requires the 'ip flow-export' command to be present.
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 NetFlow MIB is not loaded because NetFlow data export is not configured; the 'ip flow-export' command is missing.
The NetFlow MIB is only loaded into the router's SNMP agent when NetFlow data export is actively configured. Without the 'ip flow-export' command, the router does not instantiate the NetFlow MIB objects, so 'show snmp mib' reports the MIB as not loaded. The NMS cannot poll statistics that do not exist in the SNMP agent's MIB tree.
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 NetFlow MIB is not loaded because NetFlow data export is not configured; the 'ip flow-export' command is missing.
Why this is correct
The NetFlow MIB is only loaded when NetFlow is configured with 'ip flow-export' commands. Without it, the MIB is not available for SNMP polling.
- ✗
The SNMP community string does not have read access to the NetFlow MIB.
Why it's wrong here
The community is RO, which should allow read access. The MIB is not loaded, so access is irrelevant.
- ✗
The router's SNMP agent is not compatible with the NetFlow MIB.
Why it's wrong here
IOS supports NetFlow MIB, but it needs to be loaded.
- ✗
The NMS is using an incorrect OID for NetFlow statistics.
Why it's wrong here
The MIB is not loaded, so any OID would return no such object.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 300-410 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 300-410 exam.