CIS 200 Final Exam Question with Correct Answers

T correct answer- (T or F?) Compared to using simple LINQ, PLINQ typically executes faster because it optimizes code execution for multiple cores (parallel processing). T correct answer- (T or F?) A derived class generally has fewer total public methods available for use by its objects than its base class has available for use. C correct answer- In a tree, a node with no children is known as a ________ node. A. grass B. flower C. leaf D. seed C correct answer- Which .NET interface is used to indicate that a collection stores key/value pairs? A. IComparable B. IEnumerable C. IDictionary D. ICollectible C correct answer- Which value for ListBox property SelectionMode indicates that multiple items may be selected in the ListBox. When clicked, items toggle between unselected and selected. A. MultiExtended B. One C. Multisimple D. DropDownSimple T correct answer- (T or F?) When you create a UserControl you are primarily grouping multiple preexisting controls together not creating a single, new control from scratch, completely customizing the control's appearance and functionality. B correct answer- Which .NET interface is used by a class to indicate that its values may be ordered or stored, forming a natural order? A. IEnumerable B. IComparable