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Huawei H12-221-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| OSPF Routing Protocol | 22% | - OSPF route summarization and filtering - OSPF area types and LSA types - OSPF basic principles and characteristics - OSPF neighbor and adjacency establishment - OSPF special configurations and troubleshooting |
| BGP Routing Protocol | 22% | - BGP basic principles and session establishment - BGP confederation and route reflector - BGP path attributes and route selection rules - BGP route policy and filtering |
| IP Multicast | 10% | - Multicast principles and addresses - IGMP protocol and operations - PIM-DM and PIM-SM mechanisms |
| IS-IS Routing Protocol | 18% | - IS-IS level-1 and level-2 routing - IS-IS route control and optimization - IS-IS basic concepts and network structure - IS-IS link state database and route calculation |
| Switching Technologies | 15% | - Advanced switch features and security - Eth-Trunk technology and configuration - RSTP and MSTP protocols |
| Routing Control | 13% | - Route redistribution between protocols - IP prefix list and access control list - Routing policy and filter policy |
Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) Sample Questions:
If the router-id is configured in the system view and the BGP view of router, becuase of the high priority of the BGP view, the BGP view uses the router-id in the BGP view.
- A. TRUE
- B. FALSE
Correct Answer: A 🗳️
Which of the following routing protocols support the release of default routes through command configuration? (Multiple Choice)
- A. Static
- B. RIPV2
- C. OsPF
- D. BGP
Correct Answer: B,C,D 🗳️
BGP is an inter-domain routing protocol. Which of the following description about the protocol is correct? (Multiple choice)
- A. Supports rich routing strategies.
- B. Support clear text verification.
- C. Supports automatic discovery of neighbors.
- D. The BGP protocol uses a reliable transmission protocol.
Correct Answer: A,D 🗳️
Which of the following description about DR is correct?
- A. In the network segment DR election, when the DR priority is the same, the bigger IP address is elected.
- B. The source DR is responsible for sending Register messages with multicasting to the RP.
- C. Assert Winner on the shared network segment may not be the network segment DR.
- D. The receiver DR is responsible for sending Join messages to the multicast source or RP.
Correct Answer: A,C,D 🗳️
The following description about OSPF packets, which is incorrect?
- A. The DD packet contains all the LSA information and can be used to periodically synchronize the link state database information between neighbors.
- B. Hello packets are used to discover and maintain neighbor relationships. Hello packets are also used to elect DR and BDR on the broadcast network and NBMA network.
- C. The DD packet describes the link state summary information by carrying the LSA header information.
- D. The interval for sending hello packets between two routers must be the same. Otherwise, the neighbor cannot be established.
Correct Answer: A 🗳️







