Exam Name: HCIP-Datacom-Core Technology V1.0
Certification Provider: Huawei
Corresponding Certification: HCIP-Datacom
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Updated: Sep 12, 2026
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Huawei H12-821_V1.0-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Service and Management | 2% | |
| Topic 2: Network Security Basics | 9% | - AAA and access control - Security defense technologies - ACL and packet filtering |
| Topic 3: Multicast Basics | 9% | - Multicast principles - IGMP and PIM protocols |
| Topic 4: IS-IS Core Knowledge | 8% | - IS-IS protocol fundamentals - IS-IS routing and configuration |
| Topic 5: Routing and Traffic Control | 10% | - Routing policy and filtering - Traffic engineering and control |
| Topic 6: Routing Basics | 3% | |
| Topic 7: Large-scale WLAN Networking Architecture | 6% | |
| Topic 8: Network Solutions | 2% | |
| Topic 9: BGP Core Knowledge | 17% | - BGP route selection and control - BGP deployment and optimization - BGP concepts and attributes |
| Topic 10: IPv6 Core Knowledge | 3% | - IPv6 addressing and header - IPv6 routing protocols |
| Topic 11: OSPF Core Knowledge | 16% | - OSPF configuration and troubleshooting - OSPF route calculation and selection - OSPF principles and operation |
| Topic 12: Switching Core Knowledge | 7% | - VLAN and trunking - Spanning Tree Protocol - Link aggregation |
| Topic 13: Network Reliability Basics | 8% | - VRRP and redundancy - High availability design - BFD and fault detection |
Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:
In 0SPF, using the default-route-advertise command will turn the router into an ABR.
- A. TRUE
- B. FLASE
Which of the following descriptions about IGMPv3 are correct? (Multiple choice)
- A. The query packets in IGMPv3 not only include general group query packets and specific group query packets, but also add specific source group query packets
- B. IGMPv3 provides the ability to carry multicast source information in the message, helping the host to select the multicast source
- C. IGMPv3 defines a special member leaving message, which can quickly confirm whether the member of the corresponding multicast group has left
- D. In IGIPv3, a member report message can carry multiple multicast group information
In BGP, not only the configuration of peers becomes complicated in a fully connected IBCP network, but also the consumption of network resources and device CPU resources will increase.
Which of the following techniques can be employed to simplify IBGP network connectivity?
- A. Route attenuation
- B. Route reflector
- C. Route aggregation
- D. GTSM
Which of the following messages does BGP use to report error messages and terminate peer relationships?
- A. Keepalive
- B. Open
- C. Notification
- D. Update
Which of the following descriptions about the Originator_ID attribute in BGP is correct? (Multiple choice)
- A. Originator_ID is a recognized arbitrary attribute
- B. When a route is reflected by RR for the first time, RR adds the Originator_ID attribute to this route to identify the originating router of this route
- C. When other BGP Speakers receive this route, they will compare the received Originator_ID with the local RouterID. If the two IDs are the same, BGPSpeaker will ignore this route and do not process it.
- D. If there are multiple RRs in As, the Originator_ID attribute is created by the first RR
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