Viruses are:
a) man made
b) naturally occur
c) machine made
d) none of these
Firewall is a type of …….
a) virus
b) security threat
c) worm
d) none of these
Unsolicited commercial email is known as
a) spam
b) malware
c) virus
d) spyware
Which of following is a class of computer threat?
a) phishing
b) soliciting
c) DoS attacks
d) stalking
Which of the following is software that solves one task is……………
a) freeware program
b) suite
c) stand-alone program
d) open-source program
