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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:

Question 1

Compared to STP, RSTP protocol defines different port roles. For the description of the standby port and backup port in RSTP, which is correct? (Multiple selection)

A. The port is prepared to back up the root port.
B. The switch to which the standby port belongs is the designated switch of the network segment to which the port is connected.
C. The switch to which the backup port belongs is not the designated switch of the network segment to which the port is connected.
D. The backup port backs up the designated port.

Question 2

Regarding the description of the PIM-SM forwarding tree, which of the following is wrong?

A. PIM-SM includes two kinds of trees: shared tree and source path tree.
B. In the shared tree, the RPF check uses the multicast source address as the detection address.
C. The path from RP to multicast receiver data is called a shared tree.
D. The data forwarding path from the multicast source to the RP is called the source path tree.

Question 3

Which of the following description is wrong about the BGP UPDATE message?

A. UPDATE message is sent in multicast form
B. In general, UPDATE messages are sent after Keepalive
C. UPDATE message is used as routing information between BGP peers
D. UPDATE message can carry multiple reachable routing information.

Question 4

The following configuration commands for issuing default routes for each protocol, which is wrong?

A. In the RIP protocol, the default route originate command is used to generate a default route on the current router or send the default route in the routing table to the neighbor.
B. In a static route, the ip route-static default-preference command is used to generate a default route on the current router.
C. In the BGP protocol, the default-route imported command is used to enable the default route to be imported into the BGP routing table.
D. In OSPF, the default route-advertise command is used to advertise the default route to the common 0SPF area.

Question 5

Which of the following descriptions of the OSPF protocol is wrong?

A. It is only allowed to advertise routing information between the backbone area and the non-backbone area. It is not allowed to directly advertise routing information between non-backbone areas.
B. Each OSPF router uses only one Router LSA to describe the local active connection status of an area.
C. The Link State ID described in the third type of LSA is the router-id of the ABR.
D. There are four types of connections described by the Router LSA: P2P/TransNet/StubNet/Virtual Link.

Solutions: