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:

Virtual Private Network
Network operating system
OSI
Network Server

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

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Computer Networking
A network administrator views the output from the show ip route command. A network that is advertised by both RIP and IGRP appears in the routing table flagged as an IGRP route. Why is the RIP route to this network not used in the routing table?

IGRP has a lower administrative distance.
The IGRP route has fewer hops.
IGRP has a faster update timer.
RIP has a higher metric value for that route.

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