Question

Which of the following refers to a combination of hardware and software that ensures only authorized individuals gain entry into a computer​ system? A. Reverse marketing B. Firewall C. Malware D. Encryption E. Outsourcing

Answer 1

B. Firewall

Step-by-step explanation:

Firewall, just like encryption prevents unauthorized entry into a computer. However, Firewall can be implemented in both hardware or software form; or even a combination of both.