WHAT IS VIRUS ?

Ans- a computer virus  is  without your knowledge  loaded on your computer .all computer virus is manmade .virus is harmfull  our pc

WHAT IS SUBNETTING ?

Ans- subnatting is process in which larger ip network is broken into seprated and smaller network 

IP ADDRESS

Q- WHAT IS  IP ADDRESS ?
Ans- ip address is identies two network device
on tcp/ip