Which Calm feature provides the ability for administrators to approve Single or Multi-VM Blueprints for assignment to Projects?

An Application team has provided an administrator the following high level requirements for infrastructure they require:
5 Application VMs
2 Database VMs
2 Web VMs
Which two pieces of information are needed, at a minimum, to effectively automate the scaling of the environment? (Choose two.)

A developer has a Development Blueprint that performs the following high level items:
Creates a Windows and Ubuntu Server.
Installs IIS on Windows
Installs MySQL on Ubuntu
As part of Development, there is a need for an Operator to restart IIS Services for troubleshooting purposes.
How should the developer add this functionality to the Blueprint?

What are two valid trigger types available for executing Playbooks? (Choose two.)

A developer has been asked to update the existing blueprint with an additional option of scaling it both out and in.
Where in the Blueprint Editor should the developer make the relevant changes?