Which of the following is NOT considered a best practice for securing a networking environment?

Question $1$Select one:

A$.$

Identify sensitive data.

B$.$

Use WPA, WPA$2,$ or WPA$3$ for all secure wireless networks.

C$.$

Do not use Kerberos for authentication.

D$.$

Install firewalls to create a demilitarized zone $($DMZ$)$