Answer it
P1 a2 firewall limits
4 marksYou mark it yourself against the marking points
A school has a firewall between its router and the internet. One morning a student plugs in a USB stick at a library computer, and malware on the stick spreads to other computers on the school network.
(a) Outline what the firewall does. [2]
(b) Explain why the firewall did not stop the malware from spreading. [2]
[4]