The router running OSPF can reach the FULL state after LSDB synchronization is completed.

• A.TRUE
• B.FALSE

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As shown in the figure below, which of the following statement is correct?

• A.The broadcast address of host A and host B are the same
• B.Only when the masks of host A and host B are set to always, host A and host B can communicate
• C.Host A can ping host B
• D.The IP address masks of host A and host B are different, so host A and host B cannot communicate

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The OSI reference model from high-level to bottom-level is ().

• A.Application layer, presentation layer, session layer, network layer, transport layer, data link layer, physical layer
• B.Application layer, presentation layer, session layer, transport layer, network layer, data link layer, physical layer
• C.Application layer, transport layer, network layer, data link layer, physical layer
• D.Application layer, session layer, presentation layer, transport layer, network layer, data link layer, physical layer

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Which of the following does not include the advantages of Wi-Fi 6 compared to Wi-Fi 5?

• A.Lower transmission delay
• B.Higher power consumption
• C.Higher number of access terminals per AP
• D.Higher bandwidth

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The controller is the core component of SDN. The controller connects to the device through the southbound interface. Which of the following belong to the controller southbound protocol? (Multiple Choice)

• A.PCEP
• B.OpenFlow
• C.SNMP
• D.NETCONF

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