Exam H12-821_V1.0 Topic 1 Question 191 Discussion

Actual exam question for Huawei's H12-821_V1.0 exam
Question #: 191
Topic #: 1
The administrator of an enterprise configures SNMPv3 on a device for communicating with the NMS (Network Management System). After the configuration is complete, the display trapbuffer command output shows that there are traps in the trap buffer of the information center, but the NMS does not receive any of them. Which of the following may cause this problem?

Suggested Answer: B,D Vote an answer

Comprehensive and Detailed In-Depth Explanation:
* SNMP (Simple Network Management Protocol) v3 is a more secure version of SNMP, supporting authentication and encryption.
* If the NMS is not receiving SNMPv3 traps, possible causes include:
* A. FALSE # The SNMP version mismatch does not affect traps; devices can send SNMPv2 traps even when using SNMPv3.
* B. TRUE # If the SNMPv3 password is incorrect, authentication will fail, and traps will not be processed by the NMS.
* C. FALSE # The size of packets sent by the NMS does not affect incoming SNMP traps from the router.
* D. TRUE # The community name must match on both the NMS and the router, or traps will be ignored.
# Reference: Huawei HCIA-Datacom Study Guide, SNMPv3 Configuration and Authentication.

by Hyman at Jul 20, 2026, 12:41 PM

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