Download Huawei : H12-221-ENU Questions & Answers as PDF & Test Software
Updated: Jun 03, 2026
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Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) Sample Questions:
1. The state of the BGP neighbor establishment process exists as follows. The sequence of state machines experienced by establishing a successful connection is:
A) 3-5-1-2-4
B) 3-1-2-5-4
C) 3-1-5-2-4
D) 1-3-5-2-4
2. Which of the following descriptions of the OSPF protocol is correct?
A) The cost of the external route of the second type is only the external cost of the AS. Ignore the internal cost of the AS.
B) ASBR Summary LSA describes the path to the ASBR and floods between ASs.
C) AS-Extemal-LSA does not belong to any area
D) ASE LSA describes the path to the external route of the AS. The scope of flooding is outside the AS.
3. Given the configuration of RTA below, which of the following description about the configuration is wrong? (Multiple choice)
A) IGMP version supported by this interface is version 2. If this command is not configured, the interface runs IGMPv1 by default.
B) Use the igmp enable command to enable IGMP on the interface. If you do not configure the multicast routing-enable command first, igmp enable can be used as usual.
C) The router listens to the multicast address 224.0.0.2 by default.
D) multicast routing-enable command is to enable multicast. If this command is not configured, the router does not forward multicast packets.
4. How to configure authentication in BGP configuration?
A) The same plaintext password must be used between a pair of BGP peers.
B) The same MD5 password must be used between a pair of BGP peers.
C) All routers in the same AS must use the same password
D) All BGP peers on a router must use the same password
5. Autonomous System (AS) refers to a set of routers defined by users and using a unified routing policy.
A) False
B) True
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: B,C,D | Question # 3 Answer: A,B | Question # 4 Answer: B | Question # 5 Answer: A |
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