This N10-009 practice question tests your understanding of network operations. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
A network monitoring tool uses SNMP to collect data from devices. What is the primary purpose of SNMP traps?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "primary"
Why it matters: Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
To enable devices to send unsolicited alerts to the management system
SNMP traps are unsolicited messages sent by an SNMP agent to the network management system (NMS) to immediately notify it of a significant event, such as a link failure or high CPU utilization. This push mechanism allows the NMS to react in real time without having to poll the device, reducing bandwidth and processing overhead. The correct answer is B because traps are specifically designed for asynchronous alerting, not for polling, encryption, or authentication.
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.
✗
To allow a manager to poll devices for current status
Why it's wrong here
Polling is done via SNMP Get requests, not traps. Traps are push notifications.
✓
To enable devices to send unsolicited alerts to the management system
Why this is correct
Traps are event-driven, unsolicited messages from agents to the manager for alerting purposes.
Clue confirmation
The clue word "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
To encrypt SNMP communications
Why it's wrong here
Encryption in SNMP is provided by SNMPv3 security features, not by traps.
✗
To provide authentication for SNMP messages
Why it's wrong here
Authentication is also a feature of SNMPv3, not specific to traps.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between traps (unsolicited, unconfirmed) and informs (confirmed), and candidates mistakenly think traps are used for polling or that they inherently provide security features like encryption or authentication.
Detailed technical explanation
How to think about this question
SNMP traps are defined in RFC 1157 (SNMPv1) and RFC 3418 (SNMPv2c/v3) and are sent to UDP port 162 by default, while the manager listens on that port. In SNMPv2c and v3, the InformRequest message type adds acknowledgment from the manager, making it a confirmed notification; traps remain unconfirmed. A real-world scenario is a core router sending a coldStart trap when it reboots, alerting the NMS immediately so it can begin polling and logging the event.
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 N10-009 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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this N10-009 question in full detail.
Network Operations — This question tests Network Operations — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: To enable devices to send unsolicited alerts to the management system — SNMP traps are unsolicited messages sent by an SNMP agent to the network management system (NMS) to immediately notify it of a significant event, such as a link failure or high CPU utilization. This push mechanism allows the NMS to react in real time without having to poll the device, reducing bandwidth and processing overhead. The correct answer is B because traps are specifically designed for asynchronous alerting, not for polling, encryption, or authentication.
What should I do if I get this N10-009 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "primary". Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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