- A
show snmp
This command displays SNMP configuration, including community strings, trap receivers, and packet statistics.
- B
show snmp mib ifmib ifindex
This command shows the interface indices (ifIndex) used by SNMP, which is essential for polling specific interfaces.
- C
show ip snmp
Why wrong: This is not a valid Cisco IOS command. The correct command is 'show snmp'.
- D
show snmp community
This command displays all configured SNMP community strings and their access rights (read-only or read-write).
- E
debug snmp packet
Why wrong: This is a debug command, not a verification command. It can be used for troubleshooting but is not recommended for general verification due to performance impact.
Question 1,074 of 2,152
Verifying SNMPv2c Configuration: Show Commands
This 300-410 practice question tests your understanding of snmp troubleshooting. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
An engineer is troubleshooting an issue where an SNMPv2c NMS cannot poll interface counters on a Cisco router. Which THREE commands can be used to verify the SNMP configuration and connectivity? (Choose THREE.)
Quick Answer
The correct answer is show snmp community, show snmp, and show snmp mib ifmib ifindex. These three commands are the standard SNMPv2c verification commands used to confirm that the SNMP agent is properly configured and that the Network Management Station can access interface counters. The show snmp community command displays configured community strings and their read-only or read-write access levels, which is essential for verifying authentication. The show snmp command provides a broader view, including trap receivers, SNMP statistics, and system contact information, while show snmp mib ifmib ifindex reveals the specific interface indices that the NMS uses to poll counters—a common point of failure when interface numbering changes. On the Cisco CCNP ENARSI 300-410 exam, this question tests your ability to distinguish between verification commands and troubleshooting tools like debug snmp packet, which is not a verification command and can degrade performance. A common trap is assuming show ip snmp is valid, but it does not exist. Memory tip: think “Community, General, Index” for the three verification pillars.
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
✓
show snmp
The 'show snmp' command displays the overall SNMP agent status, including enabled traps, system contact, and location. This verifies that SNMP is configured and operational on the router, which is essential for an NMS to poll interface counters.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
show snmp
Why this is correct
This command displays SNMP configuration, including community strings, trap receivers, and packet statistics.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
show snmp mib ifmib ifindex
Why this is correct
This command shows the interface indices (ifIndex) used by SNMP, which is essential for polling specific interfaces.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
show ip snmp
Why it's wrong here
This is not a valid Cisco IOS command. The correct command is 'show snmp'.
- ✓
show snmp community
Why this is correct
This command displays all configured SNMP community strings and their access rights (read-only or read-write).
Related concept
Read the scenario before looking for a memorised answer.
- ✗
debug snmp packet
Why it's wrong here
This is a debug command, not a verification command. It can be used for troubleshooting but is not recommended for general verification due to performance impact.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between verification commands (show) and troubleshooting commands (debug), and candidates may incorrectly select 'debug snmp packet' as a verification tool, forgetting that debug commands are resource-intensive and used only after initial verification fails.
Trap categories for this question
Command / output trap
This is not a valid Cisco IOS command. The correct command is 'show snmp'.
Detailed technical explanation
How to think about this question
SNMPv2c uses community strings as a form of authentication, and the 'show snmp community' command lists all configured community strings along with their access permissions (read-only, read-write) and associated ACLs. The 'show snmp mib ifmib ifindex' command specifically queries the IF-MIB (RFC 2863) to display the mapping between interface names and their ifIndex values, which is critical for an NMS to correctly identify and poll interface counters.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the 300-410 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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SNMP Troubleshooting — study guide chapter
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FAQ
Questions learners often ask
What does this 300-410 question test?
SNMP Troubleshooting — This question tests SNMP Troubleshooting — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: show snmp — The 'show snmp' command displays the overall SNMP agent status, including enabled traps, system contact, and location. This verifies that SNMP is configured and operational on the router, which is essential for an NMS to poll interface counters.
What should I do if I get this 300-410 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
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