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

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

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Computer Networking
Modulation is the process of

converting analog signals to digital signals
performing data encryption.
Multiplexing various signals into high speed line signals
converting digital signals to analog signals

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