- A
10
The default queue length is 10.
- B
100
Why wrong: 100 is not the default; it can be configured.
- C
Unlimited
Why wrong: The queue is limited by default.
- D
5
Why wrong: 5 is not the default.
Question 1,078 of 2,152
Default SNMP Trap Queue Length on Cisco IOS
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.
What is the default SNMP trap queue length on Cisco IOS?
Quick Answer
The answer is 10, as the default SNMP trap queue length on Cisco IOS is set to 10 messages. This default value means the device can buffer up to ten SNMP notifications before the queue overflows; once full, any new traps are dropped, which can lead to missed alerts in network monitoring. On the Cisco CCNP ENARSI 300-410 exam, this concept tests your understanding of SNMP reliability and configuration, often appearing in questions about trap delivery or queue management under the SNMP section. A common trap is assuming the queue is unlimited or that dropped traps are retransmitted—they are not, so adjusting the queue length with the `snmp-server queue-length` command is critical for busy networks. For a memory tip, think of the number 10 as the "perfect score" for a trap queue, but remember that in production, you may need to raise it to avoid losing critical alerts.
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
✓
10
The default SNMP trap queue length on Cisco IOS is 10. This value defines the maximum number of SNMP traps that can be queued in the trap buffer before they are sent to the configured SNMP trap receivers. If the queue is full and a new trap is generated, the oldest trap is dropped to make room for the new one.
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.
- ✓
10
Why this is correct
The default queue length is 10.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
100
Why it's wrong here
100 is not the default; it can be configured.
- ✗
Unlimited
Why it's wrong here
The queue is limited by default.
- ✗
5
Why it's wrong here
5 is not the default.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the default SNMP trap queue length as a specific numeric value, and the trap here is that candidates confuse it with other default SNMP parameters (like the default SNMP community string or default SNMP version) or assume a larger value like 100 is the default due to common practice in production networks.
Detailed technical explanation
How to think about this question
The SNMP trap queue length is managed by the SNMP agent process on the router; when traps are generated faster than they can be sent (e.g., during a network storm), the queue buffers them. The queue length can be adjusted globally or per host using the 'snmp-server queue-length' command, and the default of 10 is a balance between memory conservation and ensuring critical traps are not lost. In high-traffic environments, increasing the queue length to 100 or more is common to prevent trap drops.
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: 10 — The default SNMP trap queue length on Cisco IOS is 10. This value defines the maximum number of SNMP traps that can be queued in the trap buffer before they are sent to the configured SNMP trap receivers. If the queue is full and a new trap is generated, the oldest trap is dropped to make room for the new one.
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.
About these practice questions
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Last reviewed: Jul 4, 2026
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