Free Access Huawei.H12-821_V1.0.v2022-07-23.q21 Practice Test (Page 2)

Question 1

Which of the following statements about multicast packet forwarding is true?

A.The source address of a multicast packet is a unicast address.

B.IGMP snooping cannot control the scope of multicast traffic flooding on a Layer 2 network.

C.In multicast transmission, the destination address of a packet can be the unicast address of a host.

D.If a multicast data packet fails the RPF check, the packet must have been received through a sub-optimal interface. However, this interface still receives and forwards the multicast traffic downstream.

Question 2

Which of the following statements regarding DR/BDR are false?

A.DR others listen on the multicast address 224.0.0.5.

B.DR others listen on the network address 224.0.0.6.

C.In a broadcast network, DR and BDR must be elected. A broadcast network without a DR or BDR cannot operate normally.

D.All DR others establish neighbor relationships with DR and BDR only.

Question 3

OSPF supports area authentication and interface authentication. If both authentication modes are configured, Interface authentication takes preference over area authentication.

A.TRUE

B.FALSE

Question 4

Which of the following PIM protocol packets have unicast destination addresses.

A.Graft

B.Bootstrap

C.Assert

D.Register Stop

Question 5

The traffic limiting policy feature only supports the number of connections initiated by the specified IP or the number of connections received.