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Huawei H12-221-ENU Exam Syllabus Topics:

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

1. Which multicast protocol that can generate a multicast distribution tree?

A) IGMPv2
B) MBGP
C) PIMv2
D) MSDP

2. When OSPF is running on a broadcast network, DR and BDR need to be elected.
Then in which of the following states will DR and BDR be elected?

A) Init status
B) 2-way state
C) Exchange status
D) Attempt status

3. The following describes the information contained in the OPEN packet in BGP. Which of the following is wrong?

A) OPEN message contains the Hold time message.
B) OPEN message contains VERSION information.
C) OPEN message contains local AS number information.
D) BGP packet header is in the OPEN packet.

4. In OSPF protocol, which of the following statements is wrong?

A) Dead Interval field in the received Hello packet must be consistent with the configuration of the receiving port.
B) Hello Interval field in the received Hello packet must be consistent with the configuration of the receiving port.
C) The network mask field in the Hello packet received on the broadcast network must be consistent with the network mask of the receiving port.
D) MTU in the received Hello packet must be consistent with the configuration of the receiving port.

5. Which description is wrong about BGP Keepalive message?

A) By default, the keepalive interval is 180s.
B) Keepalive messages are mainly used for the running status of peer routers and the availability confirmation of links.
C) Keepalive messages consist of only one BGP data header.
D) Keepalive is periodically sent between two BGP neighbors.

Solutions: