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

None of these
Park
Link
Interface
Bridge

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Computer Networking
What does the passive command provide to dynamic routing protocols?

Stops an interface from sending periodic dynamic updates but not from receiving updates.
Stops an interface from sending or receiving periodic dynamic updates.
Stops the router from sending any dynamic updates.
Stops the router from receiving any dynamic updates.

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Computer Networking
The data-link layer, in reference to the OSI model, specifies

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

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