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Huawei H12-821_V1.0-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: IS-IS Core Knowledge | 8% | - IS-IS protocol fundamentals - IS-IS routing and configuration |
| Topic 2: Network Reliability Basics | 8% | - BFD and fault detection - VRRP and redundancy - High availability design |
| Topic 3: Switching Core Knowledge | 7% | - Link aggregation - Spanning Tree Protocol - VLAN and trunking |
| Topic 4: Large-scale WLAN Networking Architecture | 6% | |
| Topic 5: Routing Basics | 3% | |
| Topic 6: Multicast Basics | 9% | - IGMP and PIM protocols - Multicast principles |
| Topic 7: IPv6 Core Knowledge | 3% | - IPv6 routing protocols - IPv6 addressing and header |
| Topic 8: Network Security Basics | 9% | - AAA and access control - Security defense technologies - ACL and packet filtering |
| Topic 9: OSPF Core Knowledge | 16% | - OSPF route calculation and selection - OSPF principles and operation - OSPF configuration and troubleshooting |
| Topic 10: Routing and Traffic Control | 10% | - Traffic engineering and control - Routing policy and filtering |
| Topic 11: BGP Core Knowledge | 17% | - BGP route selection and control - BGP concepts and attributes - BGP deployment and optimization |
| Topic 12: Network Solutions | 2% | |
| Topic 13: Network Service and Management | 2% |
Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:
1. Which of the following descriptions of the PIM-DM multicast distribution tree are correct? (Multiple choice)
A) The first formation of a multicast distribution tree mainly relies on the diffusion mechanism, pruning mechanism, assertion mechanism and DR election mechanism.
B) When maintaining the multicast distribution tree, you can continue to send multicast packets to ensure that multicast routing table entries can always exist.
C) The status does not change. The multicast distribution tree will always exist and remain unchanged after it is formed.
D) When maintaining the multicast distribution tree, status refresh messages can be sent to ensure the upstream access of the multicast routing table entries.
2. In order to avoid inter-area loops, OSPF stipulates that routing information is not allowed to be published directly between two non-backbone areas. Routing information is only allowed to be published within an area, or between a backbone area and a non-backbone area. Therefore, each Area Border Router (ABR) must be connected to the backbone area.
A) FALSE
B) TRUE
3. In WLAN networking, in order to ensure network reliability, corresponding backup technology can be deployed according to user requirements. Which of the following descriptions of common backup technologies are correct? (Multiple choice)
A) After N+1 backup is deployed, when the primary AC fails, the AP re-establishes a CAPWAP link with the backup AC and the backup AC takes over.
B) After deploying dual-link cold backup, when the main AC fails, the AP switches to the backup link and the backup AC takes over the work.
C) After deploying dual-link hot backup, when the main AC fails, the AP switches to the backup link and the backup AC takes over the work.
D) After deploying VRRP dual-machine hot backup, when the main AC fails, the backup AC will directly take over the work.
4. SDN is a new type of network innovation architecture. Which of the following descriptions about the value of SDN is correct? (Multiple choice)
A) Realize automatic tuning and improve network utilization
B) Shield technical details, reduce network complexity, and reduce operation and maintenance costs
C) Realize rapid service deployment and shorten service launch time
D) Realize centralized management and simplify network management and operation and maintenance
5. In PIM-SM, which of the following description of RP is wrong?
A) The initial multicast streams of all groups in the shared tree are forwarded to the receiver through the RP
B) All members of the group and multicast sources that send multicast data to the group converge to the only RP.
C) One RP can connect to multiple multicast services at the same time, and one multicast group can correspond to multiple RPs.
D) RP can be responsible for the forwarding of several or all multicast groups. There can be one RP in the network
Solutions:
| Question # 1 Answer: A,B,D | Question # 2 Answer: B | Question # 3 Answer: A,C | Question # 4 Answer: A,B,C,D | Question # 5 Answer: C |
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