In a Junos Pulse Access Control Service firewall enforcement configuration, what is the purpose of the source IP policy?

In a Junos Pulse Access Control Service firewall enforcement configuration, what is the purpose of the source IP policy?

A.
to specify the destination addresses to which access is permitted

B.
to specify the source address permitted to access the resource

C.
to specify the services to which access is permitted

D.
to inform the enforcer to expect policy information from the Junos Pulse Access Control Service