Huawei HCIP-Datacom-Core Technology V1.0 : H12-821_V1.0-ENU

H12-821_V1.0-ENU real exams

Exam Code: H12-821_V1.0-ENU

Exam Name: HCIP-Datacom-Core Technology V1.0

Updated: Aug 09, 2026

Q & A: 1081 Questions and Answers

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Huawei H12-821_V1.0-ENU Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Switching Core Knowledge7%- Spanning Tree Protocol
- VLAN and trunking
- Link aggregation
Topic 2: Network Reliability Basics8%- BFD and fault detection
- VRRP and redundancy
- High availability design
Topic 3: Routing Basics3%
Topic 4: IPv6 Core Knowledge3%- IPv6 routing protocols
- IPv6 addressing and header
Topic 5: IS-IS Core Knowledge8%- IS-IS protocol fundamentals
- IS-IS routing and configuration
Topic 6: OSPF Core Knowledge16%- OSPF principles and operation
- OSPF configuration and troubleshooting
- OSPF route calculation and selection
Topic 7: Routing and Traffic Control10%- Routing policy and filtering
- Traffic engineering and control
Topic 8: Multicast Basics9%- Multicast principles
- IGMP and PIM protocols
Topic 9: BGP Core Knowledge17%- BGP concepts and attributes
- BGP deployment and optimization
- BGP route selection and control
Topic 10: Network Security Basics9%- AAA and access control
- Security defense technologies
- ACL and packet filtering
Topic 11: Network Service and Management2%
Topic 12: Large-scale WLAN Networking Architecture6%
Topic 13: Network Solutions2%

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:

1. In multicast, the rendezvous point RP is an important PIM router in the network. Whether a static RP or a dynamic RP is set, you can specify which multicast groups the RP provides services for.

A) TRUE
B) FALSE


2. The advantage of IS-IS messages using the TLV structure is that it has better scalability. To add new features, you only need to add a new TLV, and there is no need to change the overall structure of the entire message.

A) TRUE
B) FALSE


3. The following message appears when the administrator configures OSPF. The reason is Router-ID conflict.

A) TRUE
B) FALSE


4. In order to ensure the reliability of WLAN networking, two ACs of the same model are currently in the same computer room, and if a failure occurs between the primary and secondary ACs, the switchover can be completed as quickly as possible. Which of the following backup technologies is recommended to be deployed?

A) Dual-link hot backup
B) VRRP dual-machine hot standby
C) N+1 backup
D) Dual-link cold backup


5. If a modular switch only supports using the cluster card on the main control board to establish cluster connections, it means that the modular switch uses CSS2 stacking technology.

A) TRUE
B) FALSE


Solutions:

Question # 1
Answer: A
Question # 2
Answer: A
Question # 3
Answer: A
Question # 4
Answer: B
Question # 5
Answer: B

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