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

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Computer Networking
CSMA (Carrier Sense Multiple Access) is

a method of determining which device has access to the transmission medium at any time
a very common bit-oriented data link protocol issued by ISO.
None of these
a method access control technique for multiple-access transmission media.
network access standard for connecting stations to a circuit-switched network

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