Online Access Free Huawei.H12-821_V1.0.v2025-11-07.q582 Practice Test (Page 94)

H12-821_V1.0 Exam Question 461

A certain router runs IS-IS, and its output information is shown in the figure.

Which of the following statements is wrong?

A.The System-ID of the neighbor router is 0002.0200.2002

B.The area code of this router is 49.0001

C.The Router System-lD is 0100.0000.1001

D.This router is DIS

H12-821_V1.0 Exam Question 462

During the evolution from IPv4 network to IPv6, some transitional technologies have emerged. Which of the following are common types of transitional technologies? (Multiple choice)

A.Conversion technology

B.Dual stack technology

C.Tunnel technology

D.Compatible technologies

H12-821_V1.0 Exam Question 463

Which of the following SA descriptions about various messages is wrong? (Multiple choice)

A.LS Ack message contains complete LSA information

B.LS Request message only has LS Type, LS ID and Advertising Router

C.DD only contains the summary information of the LSA, which includes LS Type, LS ID, Advertising Router and LS Sequence Number

D.LS Update message contains complete LSA information

H12-821_V1.0 Exam Question 464

The following is the information output by a router.

Which is the correct description of this information?

A.The router has an IBGP neighbor relationship with neighbor 2.2.2.2.

B.The router negotiates with its neighbors and uses BGP version 3

C.Router1D of this router is 1.1.1.1

D.The AS number of the router is 100

H12-821_V1.0 Exam Question 465

Which of the following descriptions of MAC address spoofing attacks is incorrect?

A.MAC address spoofing attacks will cause the switch to learn the wrong mapping relationship between MAC addresses and IP addresses.

B.MAC address spoofing attacks mainly utilize the switch MAC address learning mechanism.

C.A MAC address spoofing attack will cause the data that the switch wants to send to the correct destination to be sent to the attacker.

D.An attacker can implement a MAC address spoofing attack by sending a data frame with a forged source MAC address to the switch.

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H12-821_V1.0 Exam Question 461

H12-821_V1.0 Exam Question 462

H12-821_V1.0 Exam Question 463

H12-821_V1.0 Exam Question 464

H12-821_V1.0 Exam Question 465

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