Computer Networking
Intranets and extranets can use their network fire walls and other security features to establish secure Internet links within an enterprise or with its trading partners. Select the best fit for answer:

Network operating system
Network Server
Virtual Private Network
OSI

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Computer Networking
Bandlimited signal is

All of these
None of these
a signal all of whose energy is contained within a finite frequency range
transmission of signals without modulation
simultaneous transmission of data to a number of stations

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

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