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Huawei H12-221-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Switching Technologies | 15% | - Advanced switch features and security - Eth-Trunk technology and configuration - RSTP and MSTP protocols |
| IS-IS Routing Protocol | 18% | - IS-IS basic concepts and network structure - IS-IS level-1 and level-2 routing - IS-IS route control and optimization - IS-IS link state database and route calculation |
| Routing Control | 13% | - Route redistribution between protocols - IP prefix list and access control list - Routing policy and filter policy |
| 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 neighbor and adjacency establishment - OSPF basic principles and characteristics - OSPF route summarization and filtering - OSPF area types and LSA types - OSPF special configurations and troubleshooting |
| IP Multicast | 10% | - IGMP protocol and operations - Multicast principles and addresses - PIM-DM and PIM-SM mechanisms |
Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) Sample Questions:
1. RSTP has been improved on the basis of STP and realized fast convergence of the network topology. However, both RSTP and STP are based on a single spanning tree, and there are some defects, such as: (Multiple choice)
A) After the link is blocked, no traffic will be carried, which will result in wasted bandwidth.
B) The load balancing of data traffic cannot be implemented between VLANs.
C) Problems with suboptimal paths.
D) will result in problem that some VLAN paths cannot be reached.
E) After the link is blocked, some traffic will be carried, which will not result in wasted bandwidth.
2. Which of the following commands can used to view the Type 2 LSA details?
A) display ip ospf lsdb network
B) display ospf lsdb network
C) display ospf lsdb router
D) display ip ospf lsdb router
3. The ABR in OSPF full-stub area does not flood Type III, Type IV and Type-5 LSA to the area. Therefore, the ABR in the full-stub area needs to manually send a default route to the area to instruct the packet how to reach the destination outside the AS.
A) True
B) False
4. Which of the following description of the virtual link is wrong?
A) If there is a virtual link in the network, it usually indicates that the network design has problems and needs to be optimized.
B) Virtual links may bring loops.
C) The existence of virtual links increases the complexity of the network.
D) The time interval for sending HELLO on the virtual link is 10s.
5. MUX VLAN can reduce enterprise VLAN ID consumption.
A) FALSE
B) TRUE
Solutions:
| Question # 1 Answer: A,B,C,D | Question # 2 Answer: B | Question # 3 Answer: B | Question # 4 Answer: D | Question # 5 Answer: A |
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