In a data communication session between two hosts, which level does the session layer of the oSI model of the host on one end communicate with the osl mode of the host on the other end?

• A.Communicate with the data link layer at the other end
• B.Communicate with the physical layer at the other end
• C.Communicate with the conversation layer on the other end B Communicate with the application layer at the other end
• D.Communicate with the presentation layer at the other end

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Configure the ipv6 preference under the IS-IS protocol view, the role of this command is to configure the priority of the Ipv6 protocol generated by the IS-IS protocol

• A.FALSE
• B.TRUE

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The address resolution feature for NDP in the following description is incorrect?

• A.are used in the address resolution process, neighbor request and neighbor advertisement Address resolution implements the ability to resolve from IPv6 addresses to link-layer addresses
• B.When sending a neighbor request packet, the source address-is set as the link-local address
• C.When sending a neighbor request packet, the destination address must be the multicast address of the neighbor's requested node
• D.of the local interface Two types of ICMPv6 messages,

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What improvements have been made to the IGMPv2 protocol compared to IGMPv1? ( Multiple Choice)

• A.Added specific group query message
• B.Added a specific source group query packet
• C.Added maximum response time field
• D.Added high group messages

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The network administrator defines a traffic policing policy as follows:

• A.256K bytes
• B.32K bytes
• C.48128 bytes
• D.80128 bytes

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