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Last Updated: Sep 13, 2026
No. of Questions: 1081 Questions & Answers with Testing Engine
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Huawei H12-821_V1.0-ENU Practice Q&A's
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Huawei H12-821_V1.0-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| IP Network Fundamentals | - IPv4 and IPv6 Addressing - TCP/IP Model and Networking Principles |
| MPLS and VPN Technologies | - MPLS Architecture and Label Switching - L2VPN and L3VPN Deployment |
| Routing Protocols | - OSPF Implementation and Optimization - BGP Basics and Policy Control - IS-IS Fundamentals |
| Network Services and QoS | - QoS Mechanisms and Traffic Management - Network Reliability and Redundancy |
| Network Management and Automation | - Basic Network Automation Concepts - Network Monitoring and O&M Tools |
Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:
IGMP Snooping mainly solves the problem of?
- A. There are many receiver hosts on the network segment, and the router will receive many IGMP Report messages.
- B. Solve the problem of broadcasting multicast data packets on Layer 2 devices, and use them to manage and control the forwarding of multicast data packets
- C. Legality of IGMP Report messages
- D. The receiver host only supports the IGMPv2 protocol, but the SSM multicast model is used in the network
Correct Answer: B 🗳️
A socket is composed of 5-tuples, so which of the following options does not belong to the range of
5-tuples?
- A. Destination port
- B. Destination IP
- C. Source MAC
- D. Source IP
Correct Answer: C 🗳️
The configuration of the two routers is shown in the figure, and they can establish OSPF adjacency.
- A. FALSE
- B. TRUE
Correct Answer: A 🗳️
When configuring dual-link hot backup, the engineer configures the CAPWAP heartbeat detection interval to be 20 seconds, and enables the dual-link backup function, then the time when the AP detects that the primary link times out and performs active-standby switchover?
- A. 60 seconds
- B. 20 seconds
- C. 90 seconds
- D. 75 seconds
Correct Answer: A 🗳️
By default, the IS-ISLevel-1-2 router will publish the detailed routing information of the Level-2 area to the Level-1 area to ensure that the routers in the Level1-1 area can normally access the devices in the backbone area.
- A. FALSE
- B. TRUE
Correct Answer: A 🗳️
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