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Huawei H12-821_V1.0-ENU exam dumps - HCIP-Datacom-Core Technology V1.0
- Exam Code: H12-821_V1.0-ENU
- Exam Name: HCIP-Datacom-Core Technology V1.0
- Updated: Sep 11, 2026 Q & A: 1081 Questions and Answers
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Huawei H12-821_V1.0-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: BGP Core Knowledge | 17% | - BGP concepts and attributes - BGP route selection and control - BGP deployment and optimization |
| Topic 2: Routing and Traffic Control | 10% | - Traffic engineering and control - Routing policy and filtering |
| Topic 3: IS-IS Core Knowledge | 8% | - IS-IS protocol fundamentals - IS-IS routing and configuration |
| Topic 4: IPv6 Core Knowledge | 3% | - IPv6 addressing and header - IPv6 routing protocols |
| Topic 5: Multicast Basics | 9% | - IGMP and PIM protocols - Multicast principles |
| Topic 6: OSPF Core Knowledge | 16% | - OSPF route calculation and selection - OSPF configuration and troubleshooting - OSPF principles and operation |
| Topic 7: Network Reliability Basics | 8% | - High availability design - VRRP and redundancy - BFD and fault detection |
| Topic 8: Large-scale WLAN Networking Architecture | 6% | |
| Topic 9: Network Security Basics | 9% | - Security defense technologies - ACL and packet filtering - AAA and access control |
| Topic 10: Network Service and Management | 2% | |
| Topic 11: Switching Core Knowledge | 7% | - VLAN and trunking - Spanning Tree Protocol - Link aggregation |
| Topic 12: Network Solutions | 2% | |
| Topic 13: Routing Basics | 3% |
Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:
Question #1
In PIM-DM, multicast data will be diffused across the entire network periodically (default __ seconds). The main purpose of periodic diffusion is to detect whether new members are added to the group.
Reveal Solution Discussion 0Correct Answer:
180
Question #2
As shown in the figure, according to the analysis in the figure, which of the following routes cannot be introduced into OSPF 1? (Multiple choice)
- A. 1.1.1.1/32
- B. 1.1.1.2/16
- C. 1.1.1.1/26
- D. 1.1.1.1/24
Correct Answer: B,C,D 🗳️
Question #3
Which of the following messages does BGP support? (Multiple choice)
- A. Keepalive
- B. Update
- C. Hello
- D. Open
Correct Answer: A,B,D 🗳️
Question #4
IGMP SSM Mapping statically binds the multicast source to the multicast group, so that group members of IGMPv1 and IGMPv2 can also access the SSM multicast network. Which of the following descriptions about IGMP SSM Mapping is wrong?
- A. IGMP SSM Mapping does not process IGMPv3 report messages. In order to ensure that hosts running any version of IGMP on the same network segment can get SSM services, it is necessary to run IGMPv3 on the multicast router interface connected to the network segment where the member hosts are located.
- B. If the IGMP SSM Mapping function is not enabled, neither IGMPv1 nor IGMPv2 support the deployment of multicast in SSM mode
- C. The address of the multicast group of SSM is 232.0.0.0~232.255.255.255
- D. Statically configure the mapping rules of the SSM address on the IGMP querier, and map the group joining information in the IGMPv1 or IGMPv2 member report to the group leaving information
Correct Answer: D 🗳️
Question #5
Which of the following descriptions of MAC address spoofing attacks is incorrect?
- A. MAC address spoofing attacks will cause the switch to learn the wrong mapping relationship between MAC addresses and IP addresses.
- B. An attacker can implement a MAC address spoofing attack by sending a data frame with a forged source MAC address to the switch.
- C. MAC address spoofing attacks mainly utilize the switch MAC address learning mechanism.
- D. A MAC address spoofing attack will cause the data that the switch wants to send to the correct destination to be sent to the attacker.
Correct Answer: A 🗳️
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