Google It Support Professional Certificate · Free Practice Question Easy
Question 1
What is the purpose of a firewall in computer security?
-
A
To block unauthorized access and control incoming and outgoing network traffic.
-
B
To clean viruses and malware from the computer.
-
C
To provide secure storage for sensitive data.
-
D
To protect the computer from physical damage.
Reveal correct answer
Correct answer: A
Explanation
A firewall is a network security device or software that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It acts as a barrier between a trusted internal network and untrusted external networks, such as the internet.
Discussion
Think the marked answer is wrong, or have a better explanation? Share it below — comments appear after review.
You must be logged in to post a comment.
