The transport layer protocol has UDP and TCP, but UDP is more reliable than TCP.

• A.False
• B.True

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The administrator has configured the router as shown in the figure, and at the same time the administrator wants to assign a shorter lease period to the DHCP address. Which of the following commands should be used?
ip pool pool1
network 10.10.10.0 mask 255.255.255.0
gateway-list 10.10.10.1

• A.Lease day 0 hour 10
• B.Lease 0
• C.Lease 24
• D.Dhcp select relay

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After the link authentication is completed, the STA will continue to initiate link service negotiation. The specific negotiation is realized through which of the following messages?

• A.Association
• B.Negotiate
• C.Handshake
• D.Join

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Regarding the configuration of the switch port, which of the following statements is wrong?
interface GigabitEthernet 0/0/2
port hybrid pvid vlan 100
port hybrid tagged vlan 100
port hybrid untagged vlan 200

• A.If the vlantag carried by the data frame is 100, strip the tag and forward it.
• B.If the vlan tag carried by the data frame is 200, strip the tag and forward
• C.The interface type is hybrid
• D.If a data frame without vlan tag is received, the switch should add vlan tag 100

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When the router forwards data packets, it needs to modify the destination IP address in the data packets.

• A.False
• B.True

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