What is a characteristic of the node marked by the red box?

Refer to the Exhibit which shows a red box around a node PSNT.

What is a characteristic of the node marked by the red box?
A . VxRail Primary node hosting the VxRail Manager VM.
B . VxRail Primary node hosting the NTP and DNS servers.
C . VxRail node hosting the DNS server.
D . VxRail node that can be excluded from the initial VxRail build.

Answer: A