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Security Precautions
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Total cards: 7•Content version: v4•Public deck•Updated: 8/1/2026
Card preview (7)
#1
Front (Question)
what does a firewall do
Back (Answer)
proytects a network against unathorised access
#2
Front (Question)
A firewall
Back (Answer)
commonly proects private networks connected to the internet monitors network traffic
#3
Front (Question)
how does a firewall decide if a message can pass or is blocked
Back (Answer)
it has a set of rules
#4
Front (Question)
what is encryption
Back (Answer)
the process of converting data and messages into a format so that it cannot be read by unathorised people
#5
Front (Question)
what is encrypted data called
Back (Answer)
cipher text
#6
Front (Question)
what is required in order to convert cipher text back to the original data
Back (Answer)
a secret key
#7
Front (Question)
public key encryption requires two keys
Back (Answer)
a public key and a secret private key