Computer Networking
If communication software can be called the "traffic cop" of a micro communication system, then what should the modem be called?

Link
None of these
Park
Bridge
Interface

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Computer Networking
An encyclopedic database

is an information utility that specializes in storing and searching information
None of these
is generally free
All of these
is easy for beginners to use

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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
the interface between the X.25 network and packet mode device
None of these
the virtual circuit interface to packet-switched service
All of these

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