The most standard IT Certification Exam q&a

26. The __________ function forces immediate destruction of all unreferenced objects on the heap.

A. DestroyModel ()
B. SetNull()
C. RemoveContent()
D. GarbageCollect()
E. DeleteSeries()

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Answer: D

27. In what order does PowerBuilder search for variable references?
A. local, instance, shared, global
B. local, instance, global, shared
C. local, shared, global, instance
D. local, shared, instance, global
E. local, global, instance, shared
Answer: C

28. Which of the following are TRUE with respect to AncestorReturnValue? (Choose 2)
A. Its data type is always the same as the data type for the ancestor’s return value.
B. Its data type is always data type ANY.
C. If the method has no return type, a reference to AncestorReturnValue returns NULL.
D. If the method has no return type, a reference to AncestorReturnValue will not compile.
E. AncestorReturnValue may be used in both Events and Functions.
F. The syntax ancestor_class_name::AncestorReturnValue may be used to access the value returned by a specific
ancestor.
Answer: AD
29. If a descendant object can only read an ancestor’s instance variable, what is the variable’s access?
A. privateread
B. private
C. public
D. public privatewrite
E. protectedread
Answer: E

30. Which of the following properties would be used to change the current XML template for a DataWindow Object?
A. Export.XML.UseTemplate
B. Export.XML.Template[].name
C. Data.XML
D. Data.XMLSchema
Answer: A