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

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

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Computer Networking
What does a VLAN do?

Provides multiple collision domains on one switch port.
Breaks up broadcast domains in a layer 2 switch internetwork.
Acts as the fastest port to all servers.
Provides multiple broadcast domains within a single collision domain.

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