Question: Which two functional entities support the Functional Alias Management Client in the context of Mission Critical Services?
Option 1: Media Plane User Agent & SIP Client
Option 2: Signalling User Agent & HTTP Client
Option 3: Application Server & Database Manager
Option 4: Network Function Manager & Session Control Agent
Explanation: In the context of Mission Critical Services, the Functional Alias Management Client relies on specific entities for its operation within the signalling control plane. The correct supporting entities are the Signalling User Agent, handling signalling aspects, and the HTTP Client, facilitating communication over HTTP for management purposes.