Huawei H12-211 Quiz 51 Topic 1 Questions 251-255

Question: 1

The ARP protocol can resolve the MAC address of the target device according to the destination IP address, so as to map the link layer address and the IP address.

ACorrect

BError

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Question: 2

An access port can only send and receive untagged frames. When receiving a data frame with a tag, it will directly discard it.

ACorrect

BError

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Question: 3

The following is a description of the Forwarding state description error in the spanning tree protocol ().

AForwarding port can receive BPDUs.

BForwarding state port does not learn the source MAC address of the packet.

CForwarding state port can forward data packets.

DForwarding port can send BPDUs.

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Question: 4

What is the encryption algorithm used by CHAP in PPP?

ADES

BMD5

CAES

DDo not use encryption algorithms

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Question: 5

The following analysis of ICMP messages is correct (). (multiple choice)

AICMP messages can record time, including original time, receiving time, and sending time.

BICMP packets are encapsulated in IP packets without being encapsulated in the transport layer.

CICMP packets protect ICMP error packets, control packets, request/response packets, and refresh packets.

DICMP does not support redirection

EICMP messages cannot be used to detect MTUs in a path.

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Huawei H12-211 Quiz:51 Topic:1 Questions:251-255