H12-831 Online Practice Questions and Answers

In the same environment, engineers A and B execute the tracert command. The destination addresses are the same, but the paths are different. What are the possible reasons?

A. The phenomenon is abnormal, the device has an operating system failure

B. Engineer A's operation error

C. Engineer B's operation error

D. The destination port numbers of the UDR packets serving tracert are different, and the hashes reach different equivalent next hops.

Which of the following statements about MUX VLANs are true?

A. eachGroup VLANmust bind aPrincipal VLAN

B. Separate VLANscan andMUX VLANall withinVLANcommunication

C. eachSeparate VLANsmust bind aPrincipal VLAN

D. Principal VLANcan andMUX VLAIall withinVLANcommunication

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

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

B. Can prevent infinite loop forwarding of packets

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

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

A router runs OSPF, and the output information is shown in the figure. Which of the following statements is correct?

A. ShouldLSAis of typeAS-external-LSA

B. ShouldLSAThe described destination network is10.0.23.0/24

C. in the pictureLSAis generated by this router

D. This device isA, BR

Since BGP is an EGP routing protocol, BGP routing policies can only be deployed between EBGP neighbors. The routing policy deployed between IBGP neighbors is invalid.

A. True

B. False

From this picture, we can judge

A. R1ofGE0/0/1definitely haveLevel-2ability

B. R1ofGE0/0/0definitely haveLevel-2ability

C. R1definitely existsLevel-2ofLSDB

D. R1have2indivualIS-ISNeighbor

Which of the following statements about the multicast address used by 0SPFv3 is correct?

A. DR routers use FF08::6

B. All 0SPF routers use FF08: 5

C. All 5PF Routers use FF02:5

D. DRThe router uses FF02::6

Which of the following are advantages of VLAN aggregation?

A. decreasedIPwaste of address

B. added availableM LANquantity

C. Increased addressing flexibility

D. accomplishSub-VLANIsolation between broadcast domains

Compared with the OSPFv2 packet header, which fields are added in the OSPFv3 packet header?

A. IPV6 Auth Type

B. Link ID

C. Instance ID

D. IPV6 Router ID

Can Huawei equipment perform traffic suppression for Mingbi packets?

A. Unknown unicast

B. known unicast

C. multicast

D. broadcast