What is used in a computer to protect a network server from damage by those who log in to it...? Mcqs

What is used in a computer to protect a network server from damage by those who log in to it...?

(A) Antivirus

(B) Firewall

(C) Gateway

(D) Flow control

Source: This question is taken from the Junior Computer Operator (Bs-12) Transport And Mass Transit Department, Irrigation Department PPSC 2024