Huawei H12-831 Dumps in PDF and Online - Page: 1

QUESTION: 1

In order to speed up the perception of link failures in the IS-IS network, IS-IS can be linked with BFD.

TRUE
FALSE

Answer(s): A

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QUESTION: 2

In OSPF, ABR will convert all Type 7 LSAs in the NSSA area into Type 5 LSAs.

TRUE
FALSE

Answer(s): B

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QUESTION: 3

Regarding the IPSG, which of the following statement is incorrect?

IPSG can prevent IP address spoofing attacks
IPSG is a source IP address filtering technology based on the three-layer interface
IPSG can turn on the IP packet inspection and alarm function, and cooperate with the network management to perform alarms
IPSG can prevent the host from changing the IP address privately

Answer(s): B

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QUESTION: 4

Which of the following are not included in the security protection actions that a secure MAC address can perform?

Protect
Restrict
Shutdown
Remark

Answer(s): D

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An engineer uses two routers to test IPv6 services, and simulates the interconnection between the headquarters and branches by running BGP4+. As shown in the figure, an engineer captures the packet to view the update message sent by R1.

Regarding the description of the message information, which of the following statements is correct?

The next-hop address of the route described in this message is: 2001:db8::2345:1.:1
The message describes the currently revoked IPv6 route
The routing address prefix and its prefix length described in this message are: 2001:db8:2345:1::1/128/
The route described in the message may be imported through import

Answer(s): C

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QUESTION: 6

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?

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
There is a Network LSA generated by R3 in the LSDB of R1, indicating that R3 may be the DR of this link
R1 will receive the two Link-LSAs generated by R2, describing the two links information connected to The safer, easier way to help you pass any IT exams. 4 / 86 R2 respectively
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

Answer(s): C

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QUESTION: 7

A network engineer outputs the following information when troubleshooting OSPF. Based on this, determine which reason causes the adjacency relationship to fail to be established normally?