问题
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●Which is the second layer from the bottom in Open System Interconnection Reference Model?
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TCP functions at the Open Systems Interconnection(OSI)transport layer, or Layer 4. Its chi
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Which of the following layers of the OSI model is the presentation layer?()
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Which layer in the OSI model is responsible for translating frames into bits?()
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Which layer in the TCP/IP model is responsible for delivering packets to their destination?()
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At which of the following layers does the ICMP protocol operate?()