Threats to computer systems and networks

Brute force attacks use

• search and destroy

• trial and error

• to and fro

• back and forth

Brute-force attacks are used to gain entry to

• biometric systems

• physical security systems

• unsecure systems

• password-based systems

Which is likely to be cracked first in a dictionary attack

• Passw0rd

• p@55w0rD

• password

• Pass-worD

Which is likely to be cracked last in a dictionary attack

• Passw0rd

• p@55w0rD

• password

• Pass-worD

DoS stands for

• distribution of service

• denial of service

• denial of software

• denial of system

In a DoS attack a server is flooded with

• requests

• reasons

• remotes

• responses

DDoS stands for

• distributed denial of software

• denied distribution of service

• distributed denial of service

• during denial of service

Botnets are a collection of

• broken computers

• denial computers

• traffic computers

• zombie computers

SQL databases are used by

• Google

• PayPal

• eBay

• YouTube

a virus

• Attaches itself to programs or files on a computer or server

• Replicates itself in order to spread to other computers

• is designed to access a computer by misleading users of its intent

• Persuades people to give up their passwords