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Last Updated: Sep 25, 2026
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Huawei H12-821_V1.0 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Multicast | - IP Multicast Technologies
|
| Ethernet Switching Technology | - Switching Fundamentals
|
| Routing and Traffic Control | - Traffic Management
|
| BGP | - BGP Technologies
|
| Network Reliability | - Reliability Technologies
|
| Network Security | - Security Technologies
|
| Network Service and Management | - O&M Technologies
|
| Network Solutions | - Enterprise Network Solutions
|
| WLAN | - Wireless Networking
|
| Routing Basics | - IP Routing Fundamentals
|
| IPv6 | - IPv6 Fundamentals
|
| IS-IS | - IS-IS Fundamentals
|
| OSPF | - OSPF Fundamentals
|
Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:
OSPF neighbors have multiple states, such as Down, Init, 2-way, Loading, or Full. In which of the following states do OSPF routers negotiate the master and slave roles?
- A. Exchange
- B. 2-way
- C. ExStart
- D. Init
Correct Answer: C 🗳️
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On a broadcast IS-IS network shown in the following figure, a DIS needs to be elected to create and update pseudonodes. Which of the following routers is elected as the DIS?
- A. R2
- B. R1
- C. R3
- D. R4
Correct Answer: C 🗳️
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Which of the following statements about WLAN roaming are true?
- A. APs for roaming must be in the same basic service set (BSS).
- B. APs for roaming do not need to have overlapping signal coverage.
- C. APs for roaming must have overlapping signal coverage.
- D. APs for roaming must be in the same extended service set (ESS).
Correct Answer: B 🗳️
Which of the following statements are true about IP multicast service models?
- A. In the SSM model, different multicast applications on the same source can use the same SSM group.
- B. In the ASM model, an ASM group can be used by only one multicast application.
- C. Multicast service models differ for receiver hosts but do not affect multicast sources.
- D. In the SSM model, an (S, G) entry is generated for each source-group pair.
Correct Answer: C,D 🗳️
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. Mask length
- B. Longest mask length to be matched
- C. Shortest mask length to be matched
- D. Index of the prefix list
Correct Answer: B,C,D 🗳️
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