Security Precautions

Question 1

what does a firewall do

Answer 1

proytects a network against unathorised access

Question 2

A firewall

Answer 2

commonly proects private networks connected to the internet

monitors network traffic

Question 3

how does a firewall decide if a message can pass or is blocked

Answer 3

it has a set of rules

Question 4

what is encryption

Answer 4

the process of converting data and messages into a format so that it cannot be read by unathorised people

Question 5

what is encrypted data called

Answer 5

cipher text

Question 6

what is required in order to convert cipher text back to the original data

Answer 6

a secret key

Question 6

public key encryption requires two keys

Answer 6

a public key and a secret private key