Which of the Following Is NOT True About Network Security

Multiple Choice

Which of the following is NOT true about network security?

A) It is not always evident that some type of computer crime or intrusion has occurred.
B) The best way to protect data is to effectively control access to it.
C) The most common form of restricting access to data is biometrics.
D) A secure password uses a mixture of upper- and lower-case letters, as well as numbers and special characters.