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Huawei H12-821_V1.0-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Routing Basics | 3% | |
| OSPF Core Knowledge | 16% | - OSPF principles and operation - OSPF route calculation and selection - OSPF configuration and troubleshooting |
| Routing and Traffic Control | 10% | - Routing policy and filtering - Traffic engineering and control |
| IS-IS Core Knowledge | 8% | - IS-IS protocol fundamentals - IS-IS routing and configuration |
| BGP Core Knowledge | 17% | - BGP deployment and optimization - BGP route selection and control - BGP concepts and attributes |
| Multicast Basics | 9% | - IGMP and PIM protocols - Multicast principles |
| Large-scale WLAN Networking Architecture | 6% | |
| Network Solutions | 2% | |
| Network Reliability Basics | 8% | - VRRP and redundancy - BFD and fault detection - High availability design |
| Network Security Basics | 9% | - Security defense technologies - ACL and packet filtering - AAA and access control |
| Network Service and Management | 2% | |
| IPv6 Core Knowledge | 3% | - IPv6 addressing and header - IPv6 routing protocols |
| Switching Core Knowledge | 7% | - Link aggregation - Spanning Tree Protocol - VLAN and trunking |
Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:
As shown in the figure, the network layers of R1 and R2 are directly connected, and there are layer-2 transmission devices S71 and S72 in the middle of the link.
Now the user hopes that the devices at both ends can quickly sense the failure of the intermediate link, thereby triggering rapid route convergence, which of the following detection mechanisms should be configured?
- A. BFD multi-hop detection
- B. Linkage between BFD status and interface status
- C. Layer 3 physical link single-hop detection
- D. BFD single-hop detection layer 2 link
Which of the following option packets belong to OSPF protocol packets? (Multiple choice)
- A. LSA
- B. Hello
- C. LSU
- D. LSR
When a router running IS-IS finds that the LSDB is out of sync, what kind of message will it send to request its neighbors to send a new LSP?
- A. Hello
- B. CSNP
- C. PSNP
- D. LSP
The four routers R1, R2, R3 and R4 enable OSPF to establish neighbor relationships. The topology and related parameters are shown in the figure. At this time, R2 is disconnected for some reason, so the Hello report transmitted between R1, R3 and R4 In the text, which of the following is the value of the BDR field?
- A. 12.12.12.1
- B. 2.2.2.2
- C. 0.0.0.0
- D. 12.12.12.2
- E. 12.12.12.3
- F. 1.1.1.1
The above information about display ospf peer output, which of the following description is correct?
<Huawei=display ospf peer
OSPF Process 1 with Router ID 10.1.1.2
Neighbors
Area 0.0.0.0 interface 10.1.1.2(Gigabitethernet1/0/0)'s neighbors
Router ID: 10.1.1.1
Address:10.1.1.1
State: Full Mode: Nbr is Slave Priority: 1
DR:10.1.1.1BDR: None PERSON: 0
Dead timer due in 38 sec
Retrans timer interval: 5Neighbor is up for 00: 00:04
Authentication Sequence: [0]
- A. Address: 10.1.1.1 indicates that the local interface address is 10.1.1.1
- B. Router ID indicates that the local router ID is 10.1.1.1
- C. The Designated Router (DR) as the address is 10.1.1.1
- D. After negotiation during the DD exchange process, the local end becomes the Slave
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