Computer Networking
TCP is:

None of these
Connectionless and unreliable
Connection orientated and unreliable
Operates at the Data Link layer
Connection orientated and reliable

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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 highest 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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