You are managing a software development project. The project will involve working with a remote team. One of the requirements is to set up a secure communication link. The lead time to set up the link is $45$ days. Since the initial phase of the project involves requirements gathering, you believe that the link is only required after $3$ months and you are planning accordingly. You would typically do this planning activity in:

a$.$

The Control Procurements process

b$.$

The Define Activities process

c$.$

The Plan Procurement Management process

d$.$

The Conduct Procurements process