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Sybase Powerbuilder 10.0 professional Sample Questions:

1. Identify the CORRECT statements with regard to the AncestorReturnValue variable? (Choose 2)

A) The AncestorReturnValue variable is generated if you extend the ancestor script and use the CALL syntax to call the ancestor event script.
B) When you extend an event, the compiler automatically generates a local variable called AncestorReturnValue.
C) When you extend an event, the compiler automatically generates an instance variable called AncestorReturnValue.
D) The AncestorReturnValue variable is generated if you override the ancestor script and use the CALL syntax to call the ancestor event script.

2. Considering the following invalid line of code, which of the statements below are TRUE? (Choose 2) dw_1.Object.DataWindow.NotReadMeOnly = 45

A) The SystemError event will be invoked and if the error is not handled there it will be followed by the DataWindow control Error event.
B) If nested within an appropriate Try Catch block, the catch block will execute follow by a SystemError event.
C) If nested within an appropriate Try Catch block, no error handling events will occur.
D) A DataWindow control Error event will be invoked and if the error is not handled there, the SystemError event will be invoked and the application terminated.
E) A DataWindow control ItemError event will occur.

3. If a descendant object can only read an ancestor's instance variable, what is the variable's access?

A) protectedread
B) public privatewrite
C) public
D) private
E) privateread

4. What is the ClassDefinition property of an object?

A) An object reference used for class information
B) A string containing the class name of the object
C) An array of method signatures for a class
D) It contains the memory address of the object

5. When a method is invoked for the first time on a stateless EAServer PowerBuilder component that is not instance pooled, which event sequence is correct?

A) Constructor, Activate, Deactivate, Destructor
B) Constructor, Activate, Destructor, Deactivate
C) Activate, Deactivate
D) Constructor, Destructor
E) Constructor, Activate, Deactivate

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