Real Huawei H12-821_V1.0-ENU practice exam questions for easy pass!
Last Updated: Jul 19, 2026
No. of Questions: 1081 Questions & Answers with Testing Engine
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| Section | Weight | Objectives |
|---|---|---|
| BGP Core Knowledge | 17% | - BGP route selection and control - BGP deployment and optimization - BGP concepts and attributes |
| IPv6 Core Knowledge | 3% | - IPv6 routing protocols - IPv6 addressing and header |
| Network Service and Management | 2% | |
| Network Solutions | 2% | |
| OSPF Core Knowledge | 16% | - OSPF configuration and troubleshooting - OSPF principles and operation - OSPF route calculation and selection |
| Network Reliability Basics | 8% | - BFD and fault detection - High availability design - VRRP and redundancy |
| Multicast Basics | 9% | - IGMP and PIM protocols - Multicast principles |
| Routing and Traffic Control | 10% | - Traffic engineering and control - Routing policy and filtering |
| IS-IS Core Knowledge | 8% | - IS-IS routing and configuration - IS-IS protocol fundamentals |
| Switching Core Knowledge | 7% | - VLAN and trunking - Link aggregation - Spanning Tree Protocol |
| Large-scale WLAN Networking Architecture | 6% | |
| Routing Basics | 3% | |
| Network Security Basics | 9% | - ACL and packet filtering - Security defense technologies - AAA and access control |
1. The routes injected through the Network mode in BGP do not necessarily have to be routing entries that exist in the IP routing table. At the same time, the routes injected in this way are more accurate.
A) FALSE
B) TRUE
2. In the OSPF routing protocol, the only LSA types involved in intra-area route calculation are Router LSA, Network LSA, and Summary LSA.
A) FALSE
B) TRUE
3. BFD itself does not have a neighbor discovery mechanism, but relies on the upper-layer application being served to notify its neighbor information to establish a session.
A) FALSE
B) TRUE
4. Among the matters needing attention in configuring the Stub area, the correct description is:
A) ASBR can exist in the Stub area
B) The virtual connection can pass through the stub area
C) The backbone area can be configured as a stub area
D) If an area is configured as a Stub area, all routers in the area must be configured with Stub area attributes
5. Which of the following descriptions about AS attributes in BGP is wrong?
A) AS_Path is a recognized must-follow attribute
B) AS_Set attribute is an ordered AS_Path attribute
C) When the BGP Speaker advertises this route to the IBGP peer, it will not change the AS_Path attribute related to this route
D) In order to avoid routing loops that may be caused by route aggregation, BGP designed the AS_Set attribute
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A | Question # 3 Answer: B | Question # 4 Answer: D | Question # 5 Answer: B |
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