What are the methods thorough which computer viruses are spread?
Sharing infected files saved on floppies.
Opening infected email attachments.
Downloading infected files from Internet.
All of these
Which among the following pretends to be beneficial program at first glance but damages the computer once it is run?
Worms
Trojan Horse
Virus
All the above
Which among the following is not an example of polymorphic viruses?
Elkern
Cascade
Marburgb
Tuareg
Computer virus can affect only _________.
Software
Hardware
Both Hardware and Software
None of these
VIRUS stands for
Vital Information Resourse Under Siege
Vital Information Reason Under Siege
Vital Information Recourse Under System
Virus Information Recourse Under Siege
Which type of virus infects programs or executable files?
Boot sector virus
Macro virus
E-mail virus
File infectors
Which type of virus changes its code every time it infects a new file?
Polymorphic virus
Which of the following refers to a program code written to enter a computer without the user’s permission?
Worm
None of above
What is a worm?
Program code written to enter a computer without the users permission
Program capable of copying itself from one computer to another.
Program which pretends to be beneficial program at first glance but damages the computer once it is run.
Which is an example of worms?
Sasser
Blaster
Conficker
