Free Access Huawei.H12-831-ENU.v2024-01-18.q112 Practice Test (Page 4)

Question 11

Regarding the difference between NSR and NSF, which is correct?

A.Both NSR and NSF require neighbor routers to complete

B.NSF does not require neighbor routers to complete

C.NSF must rely on neighbor routers to complete

D.NSR must rely on neighbor routers to complete

Question 12

In the MPLS VPN network, the data packets are forwarded when entering the public network. It will be encapsulated with two layers of MPLS labels. Which of the following description about the processing of the packet are correct? (Multiple choice)

A.The data packet is forwarded to the Egress PE after popping the outer label on the penultimate hop device

B.The Egress PE device receives untagged IP packets

C.The outer label of the packet received by the penultimate hop device is 3

D.The Egress PE device correctly sends the data packet to the corresponding VPN according to the inner label

Question 13

When Mr. Wang unpacked and inspected the goods, he found that the appearance of the equipment was not damaged, and all the modules of the equipment were running normally when the power was first turned on, but after 24 hours of continuous operation, the board failed, then this situation is not eligible for the DOA process.

A.FALSE

B.TRUE

Question 14

DHCP Snooping is a DHCP security feature that can be used to defend against a variety of attacks, including ( ). (Multiple choice)

A.Defense against TCP flag attacks

B.Defense against man-in-the-middle attacks and IP/MAC Spoofing attacks

C.Defense against DHCP spoofing attacks

D.Defense against starvation attacks that change the CHADOR value

Question 15

MPLS is called Multi-Protocol Label Switching, which description is correct about the label in MPLS? (Multiple choice)

A.The label stack organizes labels in a Last In First Out (Last In First Out) manner, processing labels from the top of the stack

B.Labels are encapsulated between the link layer and the network layer

C.Labels are organized according to the Last In First Out (Last In First Out) method, and the labels are processed from the bottom of the stack

D.4 bytes of fixed length on the label

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Question 11

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