Online Access Free Huawei.H12-821_V1.0-ENU.v2022-05-31.q157 Practice Test (Page 30)

H12-821_V1.0-ENU Exam Question 141

Which of following description of the permanent multicast address is wrong?

A.All routers running OSPF protocol monitor 224.0.0.5

B.All routers running the PIM protocol monitor 224.0.0.100

C.All hosts and routers in the network segment monitor 224.0.0.1

D.All routers monitor 224.0.0.2

H12-821_V1.0-ENU Exam Question 142

Which of the following strategies or tools cannot be applied to OSPF?

A.as-path filter

B.route-policy

C.prefix-list

D.access-list

H12-821_V1.0-ENU Exam Question 143

R1, R2, R3, R4 run OSPF, the area ID is as shown in the figure, then () will generate Type-3 LSA. (Please fill in the device name, such as R1)

H12-821_V1.0-ENU Exam Question 144

RSTP has been improved on the basis of STP to achieve rapid convergence of the network topology. But RSTP and STP are both based on a single spanning tree, and there are some shortcomings, such as? (Multiple choice)

A.After the link is blocked, it will carry part of the traffic without causing waste of bandwidth

B.Unable to achieve load balancing of data traffic in VLAN

C.Will cause some VLAN path problems

D.Problems with sub-optimal paths

H12-821_V1.0-ENU Exam Question 145

After the dual-system hot backup is configured, the main and backup channels cannot be established. The information on the active device cannot be backed up to the backup device normally, causing the dual-system hot backup function to be abnormal. The possible cause of the failure is? (Multiple choice)

A.The source IP address and source port number of the local end are inconsistent with the destination IP address and destination port number of the opposite end

B.The priority of the two ACs is the same

C.TCP channel is not established

D.The retransmission times and retransmission intervals of the primary and secondary service packets at both ends are inconsistent

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