When you block traffic by default and allow only what you've specifically granted, it is called:
A)Implicit Deny
B)Access Control
C)Deny All
D)Allow All

Question

Quizplus · Accepted Answer

Implicit deny is the state in which all traffic is blocked except what is explicitly allowed.
Key Takeaway: Implicit deny, which is also called default deny, is the most secure policy that can be implemented on a firewall. In this mode, a firewall will block all communication, except that which is explicitly allowed.

When You Block Traffic by Default and Allow Only What