What is the most important defensive barrier for information security, protecting information systems and data?

Question $2$Select one:

A$.$

Strong Firewalls

B$.$

Strong Authentication, complex password, and use of RSA and Dou mobile identification devices

C$.$

Installing Anti$-$Virus and Malware protection

D$.$

Employees $($People$)$ always following the correct information security procedures

E$.$

The use of Biometrics and $2-$step authenticationWhat is the most important defensive barrier for information security, protecting information systems and data?

Question $2$Select one:

A$.$

Strong Firewalls

B$.$

Strong Authentication, complex password, and use of RSA and Dou mobile identification devices

C$.$

Installing Anti$-$Virus and Malware protection

D$.$

Employees $($People$)$ always following the correct information security procedures

E$.$

The use of Biometrics and $2-$step authentication