Answer:
Layered security
Explanation:
Layered security is a multiple layers defense practice used to protect resources and data. One goal of the layered security is to create redundancies or also known as backups to face the situation that one or more of the security measures in the outer layer fail or are bypassed, at least the resources and data still get protected by inner layer security. The number of security layer set for the resources is dependent on how important the resources are.
The auxiliary port I think
Answer:
D. Selfishness
Explanation:
Selfishness is caring about yourself and not others
