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多选题
Which of the following correctly describe steps in the OSI data encapsulation process?（）
A
The transport layer divides a data stream into segments and may add reliability and flow control information.
B
The data link layer adds physical source and destination addresses and an FCS to the segment.
C
Packets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information.
D
Packets are created when the network layer adds Layer 3 addresses and control information to a segment.
E
The presentation layer translates bits into voltages for transmission across the physical link.
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更多 “多选题Which of the following correctly describe steps in the OSI data encapsulation process?（）AThe transport layer divides a data stream into segments and may add reliability and flow control information.BThe data link layer adds physical source and destination addresses and an FCS to the segment.CPackets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information.DPackets are created when the network layer adds Layer 3 addresses and control information to a segment.EThe presentation layer translates bits into voltages for transmission across the physical link.” 相关考题
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