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Huawei H12-221-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Routing Control | 13% | - Routing policy and filter policy - Route redistribution between protocols - IP prefix list and access control list |
| BGP Routing Protocol | 22% | - BGP route policy and filtering - BGP basic principles and session establishment - BGP path attributes and route selection rules - BGP confederation and route reflector |
| OSPF Routing Protocol | 22% | - OSPF route summarization and filtering - OSPF basic principles and characteristics - OSPF special configurations and troubleshooting - OSPF area types and LSA types - OSPF neighbor and adjacency establishment |
| IP Multicast | 10% | - Multicast principles and addresses - PIM-DM and PIM-SM mechanisms - IGMP protocol and operations |
| Switching Technologies | 15% | - Eth-Trunk technology and configuration - RSTP and MSTP protocols - Advanced switch features and security |
| IS-IS Routing Protocol | 18% | - IS-IS basic concepts and network structure - IS-IS route control and optimization - IS-IS level-1 and level-2 routing - IS-IS link state database and route calculation |
Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) Sample Questions:
Which of the following is true about BGP, OSPF, ISIS and RIP?
- A. OSPF runs on the basis of the IP protocol and uses the protocol number 90.
- B. ISIS runs on the basis of the IP protocol and uses the protocol number 89.
- C. RIP runs on the UDP session and uses a port number of 179.
- D. BGP neighbor relationship based on the establishment of TCP session
Correct Answer: D 🗳️
The BGP attributes that are typically used to control how data flows out of the AS are:
- A. MED
- B. Nexthop
- C. AS-Path
- D. Local-Preference
Correct Answer: A 🗳️
As shown in the figure, an OSPF multi-process is configured on the RT1 router, wherein process 100 of RT1 establishes an OSPF neighbor through the backbone area with RT2, and process 200 establishes an OSPF neighbor through the backbone area with RT3.
Please select the wrong options:
- A. Because both RT1-RT2 and RT1-RT3 establish neighbors through the backbone area, the RT2 OSPF process has the LSA generated by the RT1 OSPF process.
- B. The router RT3 public network routing table has OSPF routes to RT1 and RT2 routers.
- C. The OSPF process on router RT2 can use process 100 and RT1 to establish neighbors.
- D. The router RT1 public network routing table has routes to RT2 and RT3.
Correct Answer: B 🗳️
Which of the following is incorrect about the OSPF protocol?
- A. Virtual connection is a virtual link that belongs to the backbone area (Area 0).
- B. Type-4 LSA is used to describe how to reach the ASBR and contain routing and topology information.
- C. When a router receives a Network-Summary-LSA, the router runs the SPF algorithm.
- D. Network-LSA is used to describe the link status information of the broadcast network segment and the NBMA network segment.
Correct Answer: B 🗳️
In IGMPv2, the destination IP of a specific group query is 224.0.0.1.
- A. True
- B. False
Correct Answer: A 🗳️
