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Huawei H12-221-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Switching Technologies | 15% | - RSTP and MSTP protocols - Advanced switch features and security - Eth-Trunk technology and configuration |
| Topic 2: Routing Control | 13% | - Route redistribution between protocols - IP prefix list and access control list - Routing policy and filter policy |
| Topic 3: BGP Routing Protocol | 22% | - BGP path attributes and route selection rules - BGP basic principles and session establishment - BGP route policy and filtering - BGP confederation and route reflector |
| Topic 4: OSPF Routing Protocol | 22% | - OSPF special configurations and troubleshooting - OSPF route summarization and filtering - OSPF basic principles and characteristics - OSPF area types and LSA types - OSPF neighbor and adjacency establishment |
| Topic 5: IP Multicast | 10% | - IGMP protocol and operations - Multicast principles and addresses - PIM-DM and PIM-SM mechanisms |
| Topic 6: IS-IS Routing Protocol | 18% | - IS-IS level-1 and level-2 routing - IS-IS link state database and route calculation - IS-IS route control and optimization - IS-IS basic concepts and network structure |
Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) Sample Questions:
What are the characteristics of IS-IS protocol? (Multiple Choice)
- A. Better scalability
- B. Suitable for large-capacity route transfer
- C. Support for rich regional features
- D. Simple message structure
Correct Answer: A,B,D 🗳️
The following is description of the OSP neighbor relationship and adjacency relationship. Which is correct?
- A. Neighbor relationship is a relationship formed by adjacency to exchange routing information.
- B. The adjacency is maintained by OSPF's HELLO protocol.
- C. OSPFi routers must establish adjacencies before exchanging information.
- D. Not all neighbor relationships can be adjacencies.
Correct Answer: D 🗳️
Which of the following tools can't be used for route filtering? (Multiple choices)
- A. route-policy
- B. policy-based-route
- C. ip community-filter
- D. IP-prefix
Correct Answer: B,C 🗳️
The following description about the Origin attribute of BGP, which is wrong? (Multiple choice)
- A. Injecting BGP routes through the import command, the Origin attribute is Incomplete.
- B. Origin attribute three worthy priority order is EGP>IGP>INCOMOLETE
- C. The route learned through BGP, the Origin attribute is EGP.
- D. Injecting BGP routes through the network command, the Origin attribute is IGP.
Correct Answer: B,C 🗳️
Which description is wrong about BGP Keepalive message?
- A. Keepalive messages consist of only one BGP data header.
- B. By default, the keepalive interval is 180s.
- C. Keepalive is periodically sent between two BGP neighbors.
- D. Keepalive messages are mainly used for the running status of peer routers and the availability confirmation of links.
Correct Answer: B 🗳️
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