What can a Citrix Engineer do to decrease browser load times by increasing the number of parallel connections to the resource?

A Citrix Engineer needs to prevent an attack against insecure operating-system or web-server software.
The attack can cause the system to crash or behave unpredictably when it receives a data string that is larger than it can handle.
Which security check on the Application Firewall can the engineer enable to prevent such attacks?

Which Application-level Quality of Experience (AppQoE) Action setting modifies the communication characteristics of the connections established with the associated web application?

Scenario: A Citrix Engineer configures Citrix Web App Firewall to protect an application. Users report that they are NOT able to log on. The engineer enables a Start URL relaxation for the path //login.aspx.
What is the effect of the Start URL relaxation on the application?

Scenario: A Citrix Engineer is asked to implement multi-factor authentication for Citrix Gateway. The engineer creates the authentication policies and binds the policies to the appropriate bind points. The engineer creates a custom form using Notepad++ to format the page which will capture the user's credentials.
To which folder on the Citrix ADC will the engineer need to upload this form?