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Last Updated: Aug 21, 2026
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Huawei H12-821_V1.0 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Security | 8% | - Attack defense and security policy - ACL and packet filtering - AAA authentication |
| Topic 2: OSPF Fundamentals | 16% | - OSPF configuration and optimization - OSPF special applications and troubleshooting - OSPF principles and operation mechanisms |
| Topic 3: Ethernet Switching Technologies | 7% | - VLAN principles and configuration - Link aggregation and stack technology - Spanning Tree Protocol |
| Topic 4: IPv6 Technologies | 3% | - IPv6 routing protocols - IPv6 address structure and configuration |
| Topic 5: WLAN Basics | 2% | - WLAN technology principles - WLAN deployment and optimization |
| Topic 6: IS-IS Fundamentals | 8% | - IS-IS configuration and deployment - IS-IS protocol principles |
| Topic 7: Network Service and Management | 5% | - DHCP and DNS services - Network management and monitoring |
| Topic 8: Routing Basics | 3% | - Routing table composition and selection rules - Routing concepts and classification |
| Topic 9: Network Solutions and Design | 5% | - Typical network architecture and solution - Enterprise network design principles |
| Topic 10: Multicast Technologies | 9% | - PIM protocol - IGMP protocol - Multicast basic concepts |
| Topic 11: Routing and Traffic Control | 10% | - Route import and redistribution - Policy-based routing - Routing policy and filtering |
| Topic 12: BGP Fundamentals | 17% | - BGP configuration and policy application - BGP characteristics and working principles - BGP route attributes and selection |
| Topic 13: Network Reliability | 7% | - VRRP protocol - Device redundancy and link backup - BFD technology |
Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:
1. Which of the following statements regarding OSPF route summarization is false?
A) OSPF supports two route summarization modes: ABR summarization and ASBR summarization.
B) Route summarization is the process of summarizing routes with the same prefix into one route and then advertising only the summarized route to other areas.
C) Any router in OSPF can summarize routes.
D) Route summarization can reduce routing information, decrease the routing table size, and improve router performance.
2. An IP prefix list is a common matching tool in routing policies. When an IP prefix list is configured on a Huawei router, which of the following parameters are optional ?
A) Shortest mask length to be matched
B) Longest mask length to be matched
C) Mask length
D) Index of the prefix list
3. After a BGP peer relationship is established between two ends, changing the router ID of one end resets the BGP peer relationship.
A) TRUE
B) FALSE
4. When receiving a packet, a router matches the packet against ACL rules . The ACL matching result is either Matched or Unmatched . If the matching result is Unmatched , which of the following are possible causes?
A) No ACL is configured on the device.
B) An ACL is configured but it does not contain any rules.
C) All rules are traversed but no matching rule is found.
D) The packet matches an ACL rule with the deny action.
5. An enterprise uses Huawei routers to deploy an IS-IS network for network-wide communication. An engineer wants to change the interface cost to control route selection. By default, which of the following values is the maximum cost that can be configured?
A) 67
B) 68
C) 63
D) 64
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A,B,D | Question # 3 Answer: A | Question # 4 Answer: A,B,C | Question # 5 Answer: C |
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