Where in the NetScaler Configuration Utility should a Citrix Administrator configure a load balancing virtual server?

Scenario: A backend web server is NOT functioning correctly due to a database related issue. The web server is load balanced by Citrix NetScaler. Due to the
database issue, the correct content is NOT being displayed. However the NetScaler is still allowing connections to the web server.
How can a Citrix Administrator prevent this from happening?

A Citrix Administrator needs to configure a load balanced RADIUS virtual server for authentication on the NetScaler.
Which IP address should the administrator configure on the RADIUS server client configuration?

External users should only be allowed to access an application from devices with a specific registry setting.
What should an administrator configure on the NetScaler to restrict access to the application?

Which piece of information is needed by a Citrix Administrator to successfully run the XenMobile Deployment Wizard on the NetScaler Gateway?

Scenario: A Citrix Administrator added an Access Control List (ACL) to restrict access to the management IP address of the NetScaler. The administrator is still able
to connect from a disallowed subnet, even though the ACL is enabled.
What is a possible reason why the administrator is still able to connect from a disallowed subnet?

What should a Citrix Administrator configure in a session profile so that users are able to use WorxWeb on their mobile devices?

A Citrix Administrator would like to use an existing monitor script included in NetScaler for load balancing TFTP services in a Provisioning Services deployment.
Which monitor type should the administrator choose in order to complete the task?

Which IP address does NetScaler use for Active Directory authentication?

A Citrix Administrator is upgrading NetScaler 10.1 appliances in a high availability (HA) pair to NetScaler 10.5.
What is the first step to launch the upgrade according to Citrix best practice?