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Huawei H12-221-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: OSPF Routing Protocol | 22% | - OSPF area types and LSA types - OSPF basic principles and characteristics - OSPF route summarization and filtering - OSPF special configurations and troubleshooting - OSPF neighbor and adjacency establishment |
| Topic 2: BGP Routing Protocol | 22% | - BGP route policy and filtering - BGP confederation and route reflector - BGP path attributes and route selection rules - BGP basic principles and session establishment |
| Topic 3: Routing Control | 13% | - Route redistribution between protocols - Routing policy and filter policy - IP prefix list and access control list |
| Topic 4: IP Multicast | 10% | - PIM-DM and PIM-SM mechanisms - IGMP protocol and operations - Multicast principles and addresses |
| Topic 5: Switching Technologies | 15% | - Eth-Trunk technology and configuration - Advanced switch features and security - RSTP and MSTP protocols |
| Topic 6: IS-IS Routing Protocol | 18% | - IS-IS level-1 and level-2 routing - IS-IS route control and optimization - IS-IS link state database and route calculation - IS-IS basic concepts and network structure |
Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) Sample Questions:
Which of the following routing tools that are not only used for BGP routing protocols? (Multiple choice)
- A. IP- Prefix
- B. community-filter
- C. as-path-filter
- D. route-policy
Correct Answer: A,D 🗳️
The wrong description about OSPF route aggregation is:
- A. OSPF has two route aggregation modes: ABR aggregation and ASBR aggregation
- B. Route aggregation means to aggregate the routing information of the same prefix and only advertise one route to other areas.
- C. Through route aggregation, routing information can be reduced, thereby reducing the size of the routing table and improving the performance of the router.
- D. Route aggregation can be performed on any router in OSPF
Correct Answer: D 🗳️
The ACL command acl[ number ] acl-unmber [ match-order { auto | config } ], where acl-number is used to specify the number of the access control list. The value of the acl-number based on the ACL is ().
- A. 2000~3999
- B. 1000~3999
- C. 3000~3999
- D. 0~1000
Correct Answer: A 🗳️
IPV4 specifies the SSM address range, which of the following options is cortect?
- A. 232.1.8.18
- B. 232.1.8.1/24
- C. 192.1.8.1
- D. 225.1.8.18
Correct Answer: A 🗳️
If BGP route load balancing is configured, if there are two BGP routes, the two BGP routes in the "BGP Route Selection Rule". If the first 8 attributes described are exactly the same, and the AS_Path attribute is also the same, how do you advertise this prefix route to neighbors?
- A. An optimal route is preferred from two routes and advertised to other BGP neighbors.
- B. Both load segment routes are advertised to other BGP neighbors.
- C. Both routes are not advertised to neighbors.
- D. Only one optimal route is selected and advertised to IBGP neighbors.
Correct Answer: B 🗳️
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