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The OSI model has （）layers.
- A、 four
- B、 five
- C、 six
- D、 seven
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更多 “The OSI model has （）layers.A、 fourB、 fiveC、 sixD、 seven” 相关考题
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单选题A computer is connected to the network through a NIC， which has a unique assignment that is called the Ethernet MAC address. Which layer of the OSI model does the MAC address use to communicate with the network？（）A
networkB
applicationC
sessionD
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单选题An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC. If a reply is received, what does this confirm（）。A
The PC has connectivity with a local host.B
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The PC has a default gateway correctly configured.D
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单选题Which of the following layers of the TCP/IP model most closely corresponds to the network layer of the OSI model?（）A
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