Which Citrix ADC service monitor can a Citrix Administrator use to test the three-way handshake between the Citrix ADC and the backend server?

A Citrix Administrator needs to integrate an existing certification-based authentication policy into an existing Citrix Gateway virtual server.
Which three steps can the administrator take to accomplish this? (Choose three.)

After being audited, a Citrix Administrator learns that additional security enhancements should be made to one of the virtual servers.
Which two actions can the administrator perform to accomplish this? (Choose two.)

Which set of items can a Citrix Administrator change when configuring a portal theme for users?

A Citrix Administrator needs to configure a Citrix Gateway virtual IP to allow incoming connections initiated exclusively from web browser sessions.
Which advanced policy will accomplish this?