Question

Which of the following is the network protection barrier most commonly used between the company's network and the outside world?
A) Cryptography
B) Antivirus
C) Digital certificate
D) Firewall​

Answer 1

Answer:

antivirus is a correct answer

Answer 2

Answer:

its fire wall

Explanation:

The antivirus answer is wrong it protects from virus not outer world its inside computer its not a protecting wall