Purchase Huawei : H12-221-ENU Exam Materials and then pass exam easily

Last Updated: Aug 15, 2026

No. of Questions: 597 Questions & Answers with Testing Engine

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Huawei H12-221-ENU Exam Syllabus Topics:

SectionWeightObjectives
IS-IS Routing Protocol18%- IS-IS level-1 and level-2 routing
- IS-IS basic concepts and network structure
- IS-IS route control and optimization
- IS-IS link state database and route calculation
Routing Control13%- Route redistribution between protocols
- IP prefix list and access control list
- Routing policy and filter policy
BGP Routing Protocol22%- BGP confederation and route reflector
- BGP basic principles and session establishment
- BGP path attributes and route selection rules
- BGP route policy and filtering
Switching Technologies15%- RSTP and MSTP protocols
- Eth-Trunk technology and configuration
- Advanced switch features and security
IP Multicast10%- PIM-DM and PIM-SM mechanisms
- IGMP protocol and operations
- Multicast principles and addresses
OSPF Routing Protocol22%- 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

Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) Sample Questions:

1. ASBR in the OSPF NSSA area can import external routes to the area. However, the ABR in the NSSA area do not flood the fourth and fifth types of LSA. Instead, the seventh type of LSA is converted into fifth type of LSA flooding to other areas.

A) True
B) False


2. The following is the BGP information output by a router. Which description of this information is wrong?

A) The router ID of this router is 1.1.1.9.
B) The router AS number is 10.
C) display bgp network command displays the routing information advertised by BGP through the network (BGP) command.
D) The router introduced the network segment 4.4.4.0/24 through the import-route command.


3. The correct description of the LSA is:

A) The combination of LS type, LS sequence number and Advertising Router identifies one LSA together.
B) The combination of LS sequence number, Link State ID and Advertising Router identifies one LSA together.
C) The combination of LS type, Link State ID and Advertising Router identifies one LSA together.
D) The combination of LS type, Link State ID and LS sequence number identifies one LSA together.


4. Policy routing requires manual hop-by-hop configuration, to ensure that packets are forwarded by policy.

A) FALSE
B) TRUE


5. PIM-DM does not rely on a specific unicast routing protocol but uses an existing unicast routing table for RFF checking.

A) FALSE
B) TRUE


Solutions:

Question # 1
Answer: A
Question # 2
Answer: D
Question # 3
Answer: C
Question # 4
Answer: B
Question # 5
Answer: B

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