Which Security Control includes the recommendation “Internet-facing virtual machines should be protected with network security groups”?

Answer options:

A.Enable MFA
B.Apply system updates
C.Remediate vulnerabilities
D.Secure management ports

Correct Answer: D 

Reference: 

https://techcommunity.microsoft.com/t5/azure-security-center/security-control-secure-management-ports/ba-p/1505770
https://techcommunity.microsoft.com/t5/azure-security-center/security-control-secure-management-ports/ba-p/1505770