Question 1 :
What is user data constraint ?
Indicates how data between a client and a Web container should be protected. The protection can be the prevention of tampering with the data or prevention of eavesdropping on the data.
Question 2 :
What is user (security) ?
An individual (or application program) identity that has been authenticated. A user can have a set of roles associated with that identity, which entitles the user to access all resources protected by those roles.
Question 3 :
What is validating parser ?
A parser that ensures that an XML document is valid in addition to being well formed. See also parser.
Question 4 :
What is value-binding expression ?
A JavaServer Faces EL expression that refers to a property of a backing bean. A component tag uses this expression to bind the associated component's value or the component instance to the bean property. If the component tag refers to the property via its value attribute, then the component's value is bound to the property. If the component tag refers to the property via its binding attribute then the component itself is bound to the property.
Question 5 :
What is virtual host ?
Multiple hosts plus domain names mapped to a single IP address.