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
None of these
150
100
80

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
The network layer, in reference to the OSI model, provide

data link procedures that provide for the exchange of data via frames that can be sent and received
the interface between the X.25 network and packet mode device
All of these
None of these
the virtual circuit interface to packet-switched service

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Computer Networking