Free Access Huawei.H12-831_V1.0-ENU.v2022-08-05.q187 Practice Test (Page 18)

Question 81

As shown in the figure, all routers run OSPF, because R3 is in the backbone area, so in the LSDB of R3 There are no three types of LSAO

A.False

B.True

Question 82

Which of the following statements about MPLS header TTL is correct?

A.copyIPTTLThe way the value is handled is hiddenMPLSDomainLSRPlayed a role in the safety of the lake

B.Banned from holding shellsTTLin the case of,tracertcan see passingMPLSDomainLSR

C.Can prevent infinite loop forwarding of packets

D.MPLSTcorrect toTTLis handled in two ways. one isIPmessage is enteringMPLSwhen the network MPLSheadTTLcopyIPTTLValue: The other is at the entranceLERWillMPLSheadTTLsystem-settings for 255

Question 83

If the temperature of the device is found to be too high, it can be concluded that the fan has failed

A.TRUE

B.FALSE

Question 84

As shown in the figure, a certain park has deployed IPv6 for service testing, and there are 4 routers in the network. Run OSPFv3 to realize network interconnection.

Regarding the LSA generated by the OSPFv3 network, which of the following statements is wrong?

A.As an ABR, R2 will generate Inter-Area-Prefix-LSA describing the IPv6 address prefix of Area 1, and advertise it to R1 and R3

B.There is a Network LSA generated by R3 in the LSDB of R1, indicating that R3 may be the DR of this link

C.R1 itself will generate Router-LSA to describe device interface information, and will receive Router-LSA generated by R2 and R3 at the same time

D.R1 will receive the two Link-LSAs generated by R2, describing the two links information connected to R2 respectively

Question 85

Network administrator A wants to use A, CL to match only the four routing entries 1 and 3.57 in the figure. Ask the network administrator A at least how many A, CL rules do you need to configure?

A.2

B.3

C.1

D.4

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Question 81

Question 82

Question 83

Question 84

Question 85

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