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SNMP Troubleshooting →mediumMultiple ChoiceObjective-mapped

SNMP Traps vs Informs: Key Differences and Configuration

This 300-410 practice question tests your understanding of snmp troubleshooting. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.

snmp-server enable traps\nsnmp-server host 192.168.1.100 traps version 2c public\nsnmp-server host 192.168.1.200 informs version 2c public

What is the effect of this configuration?

Quick Answer

The answer is that traps are sent to 192.168.1.100 and informs are sent to 192.168.1.200. This is correct because the `snmp-server enable traps` command globally activates all SNMP trap notifications, while the two `snmp-server host` statements specify distinct destinations and notification types: the first uses the `traps` keyword to send unacknowledged UDP messages to 192.168.1.100, and the second uses the `informs` keyword to send acknowledged messages to 192.168.1.200, both using SNMPv2c with the community string 'public'. On the Cisco CCNP ENARSI 300-410 exam, this configuration tests your understanding that traps and informs can coexist on the same router but target different hosts, and that informs require an acknowledgment (making them more reliable but resource-intensive). A common trap is forgetting that `snmp-server enable traps` must be present for any notifications to fire. Memory tip: **Traps are a "trap" because they fly away without a reply; Informs "inform" you they arrived.**

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

✓

Traps are sent to 192.168.1.100 and informs are sent to 192.168.1.200.

The configuration explicitly uses the 'traps' keyword for 192.168.1.100 and the 'informs' keyword for 192.168.1.200. In SNMP, the 'snmp-server host' command defines the destination and type of notification; 'traps' are unacknowledged UDP messages, while 'informs' are acknowledged (requiring a response from the receiver). Therefore, traps are sent to 192.168.1.100 and informs to 192.168.1.200, making option A correct.

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.

  • ✓

    Traps are sent to 192.168.1.100 and informs are sent to 192.168.1.200.

    Why this is correct

    The first host is configured for traps, the second for informs, as specified by the 'traps' and 'informs' keywords.

    Related concept

    Read the scenario before looking for a memorised answer.

  • ✗

    Both hosts receive traps.

    Why it's wrong here

    The second host is configured for informs, not traps.

  • ✗

    Both hosts receive informs.

    Why it's wrong here

    The first host is configured for traps.

  • ✗

    Only traps are enabled; informs require SNMPv3.

    Why it's wrong here

    Informs are supported in SNMPv2c and SNMPv3.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Cisco often tests the misconception that informs are only available in SNMPv3, but SNMPv2c also supports informs, and the 'traps' vs 'informs' keywords in the 'snmp-server host' command directly determine the notification type per destination.

Detailed technical explanation

How to think about this question

Traps are sent via UDP port 162 without acknowledgment, making them unreliable but low-overhead. Informs, also sent to UDP 162, require the manager to send a response (SNMPv2-GetResponse-PDU), enabling retransmission if no acknowledgment is received. This distinction is critical in scenarios like monitoring critical links where reliability is needed, but the trade-off is increased network and processing overhead due to acknowledgment traffic.

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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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: Traps are sent to 192.168.1.100 and informs are sent to 192.168.1.200. — The configuration explicitly uses the 'traps' keyword for 192.168.1.100 and the 'informs' keyword for 192.168.1.200. In SNMP, the 'snmp-server host' command defines the destination and type of notification; 'traps' are unacknowledged UDP messages, while 'informs' are acknowledged (requiring a response from the receiver). Therefore, traps are sent to 192.168.1.100 and informs to 192.168.1.200, making option A correct.

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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