Why is VMware NSX the most secure environment against threats and vulnerabilities?

A.
Does not require high-end security protocols due to the isolated arrangements or virtual machines.

B.
Offers a threat-free network because each virtual machine is managed by customized security policies.

C.
Offers no risk from unrelated streams of data communicating with each other.

D.
Handles threats efficiently through the use of alerts and notifications, before any horizontal impact is created to the adjacent virtual machine.