Computer Networking
Terminals are used to

collect data from the physical system
All of these
provide information for the manager
communicate management decisions to the physical system
None of these

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Computer Networking
The physical layer, in reference to the OSI model, defines

data link procedures that provide for the exchange of data via frames that can be sent and received
All of these
the interface between the X.25 network and packet mode device
None of these
the virtual circuit interface to packet-switched service

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