You work as a network administrator at A2B Aviation. You have received instruction to start designing the PKI infrastructure. The solution you are busy designing should completely adhere to the business requirements of A2B Aviation.
What should you do?

A.
A stand-alone subordinate CA should be created to issue certificates.

B.
A qualified subordinate CA should be used.

C.
Configure Certificate template access control lists (ACLs) should be configured on A2B-SR02.

D.
A2B-SR02 should be moved offline and create an enterprise subordinate CA to issue certificates.