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Which term is used to describe the Customer component?
You are reviewing a design for a database. A portion of this design is shown in the exhibits. Note that you may choose either the Crow's Foot Notation or Chen Notation version of the design. (To view the Crow's Foot Notation, click the Exhibit A button. To view the Chen...
What is the value of this expression if A=3, B=4, C=4, and D=5?
You need to evaluate the following expression: (A>B) AND (C<D) What is the value of this expression if A=3, B=4, C=4, and D=5?A . 0B . 4C . 5D . FalseE . NullF . TrueView AnswerAnswer: D Explanation: A>B is false.
Which term is used to describe this object-oriented concept?
Two classes named Circle and Square inherit from the Shape class. Circle and Square both inherit Area from the Shape class, but each computes Area differently. Which term is used to describe this object-oriented concept?A . polymorphismB . encapsulationC . superclassingD . overloadingView AnswerAnswer: A Explanation: You can use polymorphism...
What is the value of _number after the code is executed?
You create an object of type ANumber. The class is defined as follows. What is the value of _number after the code is executed?A . NullB . 0C . 3D . 7View AnswerAnswer: C
Which of the following must exist to inherit attributes from a particular class?
Which of the following must exist to inherit attributes from a particular class?A . Public propertiesB . A has-a relationshipC . An is-a relationshipD . Static membersView AnswerAnswer: A Explanation: There must be some public properties that can be inherited.
How many times will the word Hello be printed?
You execute the following code. How many times will the word Hello be printed?A . 49B . 50C . 51D . 100View AnswerAnswer: B Explanation: The % operator computes the remainder after dividing its first operand by its second. All numeric types have predefined remainder operators. In this case the...
Which function does Simple Object Access Protocol (SOAP) provide when using Web services?
Which function does Simple Object Access Protocol (SOAP) provide when using Web services?A . directory of registered Web servicesB . communications protocolC . security modelD . model for describing Web servicesView AnswerAnswer: B Explanation: SOAP, originally defined as Simple Object Access Protocol, is a protocol specification for exchanging structured information...
Which language uses Data Definition Language (DDL) and Data Manipulation Language (DML)?
Which language uses Data Definition Language (DDL) and Data Manipulation Language (DML)?A . SQLB . C++C . PascalD . JavaView AnswerAnswer: A Explanation: SQL uses DDL and DML.
Which type of application should you choose?
You are creating an application that presents users with a graphical interface. Users will run this application from remote computers. Some of the remote computers do not have the . NET Framework installed. Users do not have permissions to install software. Which type of application should you choose?A . Windows...
A data warehouse database is designed to:
A data warehouse database is designed to:A . Enable business decisions by collecting, consolidating, and organizing data.B . Support a large number of concurrent users.C . Support real-time business operations.D . Require validation of incoming data during real-time business transactions.View AnswerAnswer: A
