510-309 試験問題を無料オンラインアクセス

Assuming that the class n_cst_base is the ancestor to n_cst_person which is the ancestor to n_cst_employee and n_cst_manager which of the following statements are TRUE: (Choose 2)

• A.A reference variable declared with n_cst_employee can reference an object of the n_cst_manager data type
• B.All methods created on n_cst_person will be in n_cst_base, n_cst_employee, and n_cst_manager.
• C.The pronoun super, when used in n_cst_manager, refers to n_cst_person.
• D.A reference variable declared with n_cst_base can reference an object of the n_cst_manager data type

Which features are common to both TreeView and ListView controls assuming only PowerBuilder properties and methods are used? (Choose 2)

• A.end-users can select multiple items concurrently
• B.items can be sorted based on user-defined criteria
• C.static view items can be defined at design time
• D.different images can be used to indicate the state of individual items

Which of the following methods is NOT for a DataStore?

• A.GetClickedColumn()
• B.GetFullState()
• C.RowFocusChanged
• D.SQLPreview

Custom Transaction Objects are required: (Choose 2)

• A.to define destination data for pipelines
• B.when you want to use dynamic DQL format 3 & 4
• C.when you want to extend SQLCA
• D.when you want to define stored procedures as methods

______________ is an Object Oriented Concept in which a function has more than one definition. Each version of the function has a different argument list, which is how they are distinguished.

• A.Overloading
• B.Encapsulation
• C.Overriding
• D.Abstraction
• E.Inheritance