Computer Networking
When setting up Frame Relay for point-to-point subinterfaces, which of the following must not be configured?

The Frame Relay encapsulation on the physical interface
The local DLCI on each subinterface
The subinterface type as point-to-point
An IP address on the physical interface
PAP

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

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