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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: Large-scale WLAN Networking Architecture | 6% | |
| Topic 3: Switching Core Knowledge | 7% | - Link aggregation - Spanning Tree Protocol - VLAN and trunking |
| Topic 4: IPv6 Core Knowledge | 3% | - IPv6 addressing and header - IPv6 routing protocols |
| Topic 5: BGP Core Knowledge | 17% | - BGP route selection and control - BGP concepts and attributes - BGP deployment and optimization |
| Topic 6: OSPF Core Knowledge | 16% | - OSPF principles and operation - OSPF route calculation and selection - OSPF configuration and troubleshooting |
| Topic 7: IS-IS Core Knowledge | 8% | - IS-IS protocol fundamentals - IS-IS routing and configuration |
| Topic 8: Network Solutions | 2% | |
| Topic 9: Network Security Basics | 9% | - Security defense technologies - AAA and access control - ACL and packet filtering |
| Topic 10: Network Reliability Basics | 8% | - VRRP and redundancy - High availability design - BFD and fault detection |
| Topic 11: Routing and Traffic Control | 10% | - Traffic engineering and control - Routing policy and filtering |
| Topic 12: Routing Basics | 3% | |
| Topic 13: Multicast Basics | 9% | - Multicast principles - IGMP and PIM protocols |
Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:
Question #1
The monitoring plane is generally composed of the monitoring unit of the main control board and the interface board, which can independently complete the system's environmental monitoring.
Which of the following aspects of environmental monitoring can be completed by the monitoring plane?
(Multiple choice)
A. System power on and off detection
B. Voltage detection
C. Temperature detection
D. Fan control
Question #2
In PIM, which of the following descriptions about DR is correct? (Multiple choice)
A. If the current DR fails, the PIM neighbor relationship will time out, and a new round of DR election will be triggered between other PIM neighbors.
B. On the shared network segment connected to the multicast source, the DR is responsible for sending Join registration messages to the RP. The DR connected to the multicast source is called the source DR.
C. On the shared network segment of the connection group members, the DR is responsible for sending a Register message to the RP. The DR connected to the group members is called the group member-side DR.
D. PIM routers become PIM neighbors by exchanging Hello messages. The Hello messages carry the DR priority and the interface address of the network segment.
Question #3
As shown in the figure, which of the following statements is correct?
A. GE0/0/1 on the SWA is the backup port
B. GE0/0/2 on the SWB is an Alternative port
C. SWB will be the root bridge
Question #4
As shown in the figure, three switches run the MSTP protocol.
So how many seconds is the convergence time for the ports connected to SW2 and SW3?
A. 2 seconds
B. 4 seconds
C. 30 seconds
D. 15 seconds
Question #5
Which of the following descriptions about DR are correct? (Multiple choice)
A. By default, the interface priority of the PIM router is 1.
B. DR election is implemented through the Hello message of the PIM protocol.
C. In a multi-access network, the DR acts as a querier for IGMPv1.
D. The receiving end DR is responsible for sending Register messages to the multicast source or RP.
E. During the election process, if the DR priorities are the same, the one with the larger IP address will become the DR.
Solutions:
| Question #1 Correct Answer: A,B,C,D | Question #2 Correct Answer: A,D | Question #3 Correct Answer: B | Question #4 Correct Answer: C | Question #5 Correct Answer: A,B,C,E |
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