COMPUTER NETWORKING

NETWORK SECURITY

INTRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
:Viruses which executes when computer starts is
A
macro
B
file infector
C
boot sector
D
salami shaving
Explanation: 

Detailed explanation-1: -Boot sector viruses: floppy disks and hard disks store a small program known as the boot record which is run when the computer starts up. Boot sector viruses attach themselves to this program and execute when the computer tries to start up from the infected disk.

Detailed explanation-2: -Brain is a boot sector virus, infecting the first sector of floppies as they are inserted into an infected computer. Brain is only a few kilobytes in size and most of it is located in sectors that are marked as “bad” in the FAT.

Detailed explanation-3: -A boot sector virus is a type of virus that infects the boot sector of floppy disks or the Master Boot Record (MBR) of hard disks (some infect the boot sector of the hard disk instead of the MBR).

There is 1 question to complete.