In which situation should a cloud engineer deploy application stack as a service for developers in a self-service model?
A. A security officer wants to deploy a virtual firewall in front of all dynamically created applications
B. A development manager wants to spin up new code in the public cloud and migrate it in-house before moving it into production
C. Developers are bypassing the recently IaaS self-service portal in favor of public cloud PaaS offerings
D. A helpdesk manager requests self-service, in order to offload helpdesk calls about LoB application installation
