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Huawei H12-821_V1.0-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Reliability Basics | 8% | - High availability design - VRRP and redundancy - BFD and fault detection |
| Topic 2: OSPF Core Knowledge | 16% | - OSPF route calculation and selection - OSPF principles and operation - OSPF configuration and troubleshooting |
| Topic 3: Network Service and Management | 2% | |
| Topic 4: Large-scale WLAN Networking Architecture | 6% | |
| Topic 5: Network Security Basics | 9% | - AAA and access control - Security defense technologies - ACL and packet filtering |
| Topic 6: IS-IS Core Knowledge | 8% | - IS-IS protocol fundamentals - IS-IS routing and configuration |
| Topic 7: BGP Core Knowledge | 17% | - BGP concepts and attributes - BGP deployment and optimization - BGP route selection and control |
| Topic 8: Network Solutions | 2% | |
| Topic 9: Multicast Basics | 9% | - Multicast principles - IGMP and PIM protocols |
| Topic 10: Routing and Traffic Control | 10% | - Traffic engineering and control - Routing policy and filtering |
| Topic 11: Routing Basics | 3% | |
| Topic 12: IPv6 Core Knowledge | 3% | - IPv6 routing protocols - IPv6 addressing and header |
| Topic 13: Switching Core Knowledge | 7% | - VLAN and trunking - Spanning Tree Protocol - Link aggregation |
Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:
Question 1
The prefix list (IP-Prefix List) can match the IP address prefix length and mask length at the same time because it has three parameters: less-equal-value, mask-length and greater-equal-value, so which of the following can correctly describe the relationship between these three parameters?
A. mask-length<=less-equal-value<=greater-equal-value<=32
B. less-equal-value<=mask-length<=greater-equal-value<=32
C. greater-equal-value<=less-equal-value<=mask-length<=32
D. mask-length<=greater-equal-value<=less-equal-value<=32
Question 2
As shown in the figure, which of the following may be the reason why the adjacency relationship cannot be established?
A. The dr-priority of both parties is set to 0.
B. The Hello interval between both parties is inconsistent.
C. The master-slave relationship is not established
D. Wrong Router ID used
Question 3
Which of the following statement about OSPF neighbor information is wrong?
A. The address of DR is 10.1.1.1
B. The router id of the neighbor is 2.2.2.2
C. This router is the Master
D. The router id of this router is 1.1.1.1
Question 4
Which of the following descriptions of the PIM-DM multicast distribution tree are correct? (Multiple choice)
A. When maintaining the multicast distribution tree, status refresh messages can be sent to ensure the upstream access of the multicast routing table entries.
B. The status does not change. The multicast distribution tree will always exist and remain unchanged after it is formed.
C. The first formation of a multicast distribution tree mainly relies on the diffusion mechanism, pruning mechanism, assertion mechanism and DR election mechanism.
D. When maintaining the multicast distribution tree, you can continue to send multicast packets to ensure that multicast routing table entries can always exist.
Question 5
Two routers running IS-IS can establish an adjacency relationship only if the time interval between IlH sending is the same.
A. TRUE
B. FALSE
Solutions:
| Question 1 Answer: D | Question 2 Answer: A | Question 3 Answer: C | Question 4 Answer: A,C,D | Question 5 Answer: B |
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