Computer security is a set of established procedures, standards, policies, and tools that are used to protect a network from theft, misuse, and unwanted intrusions, activities, and attacks.

____ are the networks that are either not known or cannot be identified.

A. Untrusted networks B. Trusted networks C. Partner networks D. Internal networks

In a three-tier architecture, the user interface classes should have nothing to do with how data is validated.

Answer the following statement true (T) or false (F)