Firewalls are used to protect from
A) erroneous internal handling of data.
B) insufficient documentation of transactions.
C) illogical programming commands.
D) unauthorized external users.

Question

Quizplus · Accepted Answer

Firewalls are primarily used to protect against unauthorized external users trying to access a network or system. They do this by monitoring and filtering incoming and outgoing network traffic and blocking any that doesn't meet specified security criteria. While firewalls may also help prevent internal issues such as illogical programming commands, their main purpose is to provide a barrier between a network and the outside world.

Firewalls Are Used to Protect from