Which of the following network parameters can be assigned by Dynamic Host Configuration Protocol DHCP? (Multiple choices)

• A.Gateway address
• B.Operating system name
• C.IP address
• D.DNS address

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For multiple paths to the same destination network, the router needs to select by comparing the magnitude of the Preference value. If the Preference is the same, then select according to the magnitude of the Cost value.

• A.False
• B.True

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Which of the following characteristics does the OSPF protocol have? (Multiple Choice)

• A.Calculate the shortest path by number
• B.Support the division of areas
• C.Trigger an update
• D.Easy to produce routing loops

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As shown in the following figure, router A and router B establish an OSPF neighbor relationship. The OSPF process number of router A is 1, and the area number is 0. Which of the following configurations on router A can enable router B to obtain the network segment of host A routing? (Multiple choice)

• A.ospf 1 Area 0.0.0.0 Network 192.168.1.0 0.0.0.255
• B.ospf 1 Area 0.0.0.0 Network 192.168.1.2 0.0.0.0
• C.ospf 1 Import-route direct
• D.ospf 1 Area 0.0.0.0 Network 192.168.0.0 0.0.255.255

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If the Length/Type of an Ethernet data frame is 0X8100, which of the following is correct?

• A.There must be a TCP header in the upper layer of this data frame
• B.This data frame must carry VLAN TAG
• C.There must be an IP header in the upper layer of this data frame
• D.There must be a UDP header in the upper layer of this data frame

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