Huawei H12-821_V1.0-ENU - HCIP-Datacom-Core Technology V1.0
- Exam Code: H12-821_V1.0-ENU
- Exam Name: HCIP-Datacom-Core Technology V1.0
- Updated: Oct 07, 2026
- Q & A: 1081 Questions and Answers
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Huawei H12-821_V1.0-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Wireless and Solutions | - Network Solution Concepts - Large-scale WLAN Architecture |
| Switching and Multicast | - Ethernet Switching Core Knowledge - Multicast Basics |
| Network Reliability and Services | - Network Service and Management - Network Reliability Basics |
| IPv6 and Network Security | - IPv6 Core Knowledge - Network Security Basics |
| Routing and Traffic Control | - Traffic Control Concepts - BGP Core Knowledge - IS-IS Core Knowledge - OSPF Core Knowledge - Routing Basics |
Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:
Question #1
There are many timers in Portal authentication. Which of the following timers can be used to prevent DoS attacks?
- A. User silent timer
- B. Built-in Portal server heartbeat detection timer
- C. Portal server detection timer
- D. User offline retransmission timer
Correct Answer: C 🗳️
Question #2
The next hop address of the routing entry in the routing table must be on the same network segment as the address of its directly connected interface.
- A. TRUE
- B. FALSE
Correct Answer: B 🗳️
Question #3
Which of the following characteristics does the IS-IS protocol have? (Multiple choice)
- A. Suitable for large-capacity routing delivery
- B. Better scalability
- C. The bottom layer is the data link layer
- D. Does not support network element hierarchical division
Correct Answer: A,B,C 🗳️
Question #4
Which of the following descriptions about the difference between DIS in IS-IS and DR in OSPF are correct? (Multiple choice)
- A. The election of DIS and DR is to compare the priority first, and then compare the MAC address
- B. The election of DIS and DR follow the principle of preemption
- C. In the IS-IS broadcast network, routers with a priority of 0 also participate in the election of the DIS, while routers with a priority of 0 in OSPF do not participate in the election of the DR
- D. In the IS-S broadcast network, routers of the same level on the same network segment will form adjacency relationships, including all non-DIS routers will also form adjacency relationships. In OSPF, the router only establishes an adjacency relationship with the DR port BDR
Correct Answer: C,D 🗳️
Question #5
In SSM, which version of IGMP needs to be used?
- A. IGMPv1
- B. IGMPv4
- C. IGMPv3
- D. IGMPv2
Correct Answer: C 🗳️
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