Computer Networking
When two computers communicate with each other, they send information back and forth. If they are separated by a reasonable distance, they can send and receive the information through a direct cable connection which is called a null-modem connection. Presently what is the maximum distance in metres permitted in this null-modem connection?

30
150
100
80
None of these

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

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Computer Networking
RS-232-G

specifies only the mechanical characteristics of an interface by providing a 25-pin connector
is an interface between two data circuit terminating equipment as examplified by a local and remote modem
None of these
requires only 7 pin out of 25 in order to transmit digital data over public telephone lines
is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment

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