Computer Networking
Many data communication networks have been established which provide a wealth of on-demand information services to people at home. What is the name of the system which provides an interactive, graphics-rich service that permits user to select what they want?

Teletex system
Microwave system
Videotex system
None of these
Fax system

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

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

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Computer Networking
If routers in a single area are configured with the same priority value, what value does a router use for the OSPF Router ID in the absence of a loopback interface?

The highest IP address of any logical interface
The lowest IP address of any logical interface
The highest IP address of any physical interface
The lowest IP address of any physical interface

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