Security Precautions Flashcards
1
Q
what does a firewall do
A
proytects a network against unathorised access
2
Q
A firewall
A
commonly proects private networks connected to the internet
monitors network traffic
3
Q
how does a firewall decide if a message can pass or is blocked
A
it has a set of rules
4
Q
what is encryption
A
the process of converting data and messages into a format so that it cannot be read by unathorised people
5
Q
what is encrypted data called
A
cipher text
6
Q
what is required in order to convert cipher text back to the original data
A
a secret key
6
Q
public key encryption requires two keys
A
a public key and a secret private key
