Firewalls are used to provide network security throughout an enterprise and to control what information can be accessed–and to a certain extent, through what means.
Which of the following is NOT something that firewalls are concerned with?
A . IP address
B . Encryption
C . Port
D . Protocol
Answer: B
Explanation:
Firewalls work at the network level and control traffic based on the source, destination, protocol, and ports. Whether or not the traffic is encrypted is not a factor with firewalls and their decisions about routing traffic. Firewalls work primarily with IP addresses, ports, and protocols.
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