Which of the following statements is INCORRECT about computer networks?
AComputer networking reduces the redundancy of the data.
BIn a computer network, an internet connection is compulsory on each computer.
CMAN is a kind of network which spans within a city.
DBoth (A) and (B)
HOW B IS THE CORRECT ONE. IN A COMPUTER NETWORK, AN INTERNET CONNECTION IS NEEDED SO HOW IT IS POSSIBLE?