Which of the following networks belong to the local area network? (Multiple choice)

• A.the internet
• B.Broadband MAN
• C.A home network
• D.A company's office network

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The virtual machine is the basis for realizing NFV. Which of the following statements about the characteristics of virtualization is correct? (Multiple choice)

• A.Isolation: Virtual machines on the same physical server are isolated from each other
• B.Hardware independence: Virtual machines and hardware decoupling support migration of virtual machines between servers
• C.Partitioning: Multiple virtual machines can run concurrently on a single physical network
• D.Encapsulation: Virtual machines all share an operating space, and encapsulation is achieved through namespaces

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An ACL rule is as follows:
rule 5 permit ip source 10.0.2.0 0.0.254.255
Which of the following IP addresses can be matched by the permit rule? (Multiple choice)

• A.10.0.2.1
• B.10.0.4.5
• C.10.0.6.7
• D.10.0.5.6

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In the network shown in the figure below, the router receives a data packet with the destination IP address 11.0.12.1 from host A. After the data packet is forwarded by the router, the destination mac and destination IP are respectively?

• A.MAC-D 11.0.12.1
• B.MAC-B 11.0.12.1
• C.MAC-C 11.0.12.1
• D.MAC-D 10.0.12.2

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In the RSTP protocol, when an edge port receives a configuration BPDU message, it loses the edge port attribute.

• A.False
• B.True

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