Linux
What layer protocol is responsible for user and the application programme support such as passwords, resource sharing, file transfer and network management?

Layer 5 protocols
Layer 7 protocols
Layer 6 protocols
Layer 4 protocols

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Linux
The physical layer of a network

All of these
constructs packets of data and sends them across the network
None of these
defines the electrical characteristics of signals passed between the computer and communication devices
controls error detection and correction

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