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300-410 Practice Question: Which TWO commands are used to troubleshoot…
Which TWO commands are used to troubleshoot SNMPv3 authentication or encryption failures? (Choose TWO.)
⚠ Common exam trap
Cisco often tests the distinction between configuration verification commands (like 'show snmp group' or 'show running-config') and real-time troubleshooting commands (like 'debug snmp packets'), expecting candidates to know that authentication/encryption failures require packet-level debugging, not just static configuration checks.
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
✓
debug snmp packets
The 'debug snmp packets' command enables detailed logging of SNMP packet exchanges, including authentication and encryption failures. When SNMPv3 authentication or encryption fails, this debug output shows error messages such as 'Authentication failure' or 'Decryption error', directly indicating the problem. This is the primary tool for real-time troubleshooting of SNMPv3 security issues.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
debug snmp packets
Why this is correct
Shows detailed SNMP packet exchanges, including authentication failures.
- ✓
show snmp user
Why this is correct
Displays SNMPv3 users and their authentication/privacy configurations.
- ✗
show snmp group
Why it's wrong here
Shows group-level settings, but not user authentication details.
- ✗
show running-config | include snmp
Why it's wrong here
Too broad; does not isolate authentication/encryption issues.
- ✗
ping <NMS-IP>
Why it's wrong here
Ping tests IP connectivity, not SNMPv3 authentication or encryption.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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