Systems 9 - Security, Encryption, Firewalls, DDOS, Biometric

Pick out 4 methods of implementing security on a computer system.

• Using Biometrics

• Installing rocket launchers

• Implementing Usernames and passwords

• Using Anti Virus Software

• Using Encryption

What are the 2 functions of anti-virus software?

• It deletes the user's web history

• It stops any hack attempt on the computer

• It removes viruses from a computer

• It stops viruses getting on to a computer

What might be used on a network to implement different levels of security for certain users?

• Usernames and Passwords

• Cloud storage

• Encryption

• HTML code

Which one of the following is NOT a type of biometric security?

• Usernames and Passwords

• Face detection

• Iris Scanner

• Fingerprint Scanner

'Files and data are deleted then sent to another computer where they are undeleted'

Is this a good description of encryption?

• Yes

• No

'Files and data are saved to a server and then downloaded from the server to the destination computer'

Is this a good description of encryption?

• Yes

• No

'Files and data are encoded then sent over the internet to another computer where they are decoded'

• Yes

• No

Why should encryption make internet users feel secure?

• Any sensitive information sent over the internet cannot be read by hackers, even if intercepted

• Different levels of security can be implemented with encryption

• All keystrokes are logged by the police

• It prevents your data from being intercepted by hackers

A keylogger is usually a piece of software.

• True

• False

A keylogger can record all keys the user presses

• True

• False