1. Trap door

could be included in a compiler

pose a difficult problem because, to detect them

both (a) and (b)

none of these

2. Threat monitoring technique is

the system can check for suspicious patterns of activity in an attempt to detect a security violation

a time sharing a system that counts the number of incorrect passwords given

both (a) and (b)

none of these

3. Trojan Horse

A code segment that misuses its file is called Trojan horse

good for file accessing

both (a) and (b)

none of these

4. Protection against computer viruses is

preventation

practice of safe computing

purchasing unopened software from vendors

avoiding free or pirated copies from public sources

5. Program threats are

trap doors

Trojan Horse

both (a) and (b)

none of these

6. Viruses

are usually spread by users downloading viral programs from public bulletin boards or exchanging floppy disks containing an infection

are beneficial for program

both (a) and (b)

none of these

7. In one time password

the password is different in each instance

the password is same in each instance

both (a) and (b)

none of these

8. Viruses

another form of computer attack is virus

virus are designed to spread into other programs and can wreak havoc in a system

it modifying or destroying files and causing system crashes and program malfunctions

all of these

9. The most common approach to authenticating a user identity is

user passwords

user log in

hardware device

none of these

10. Boot strap or vector is called

grappling hook program

main program

secondary program

primary storage