单选题You want to provide a tool that allows users quick access to form modules, by listing them in an Explorer-style interface. Which reusable component do you use?（）A ActiveX controls B Calendar Class C Standard Object Library D Picklist Class E Wizard Cla

第1题：

You work as an application developer at Certkiller .com. You are developing an application that makes use of a Queue class object named MyQueue. This Queue class object will be used to store messages sent by the user during application run time. The application that you are developing provides an interface for administrators and an interface for users to create message reports.You want to ensure that all user messages stored in the MyQueue object are removed when an administrator selects the reset option.What should you do？（）

• A、 Use the Enqueue method of the MyQueue object.
• B、 Use the Clear method of the MyQueue object.
• C、 Use the Dequeue method of the MyQueue object.
• D、 Use the TrimToSize method of the MyQueue object.

第2题：

You want a class to have access to members of another class in the same package. Which is the most restrictive access that accomplishes this objective？（）  

• A、 public
• B、 private
• C、 protected
• D、 transient
• E、 default access

第3题：

You include the calendar class in your Hotel Booking application. Which additional form level objects will you need to create to implement this reusable component fully?（）

• A、Blocks 
• B、Visual attributes. 
• C、Stacked canvas. 
• D、Nothing further needs to be created.

第4题：

You are developing a Hotel Booking application for a travel company. The users request a wizard-style interface for this application. How could you satisfy this requirement?（）

• A、Reference the Object Iron packages in your form module. 
• B、Write an HTML interface, and invoke it from your form module. 
• C、Include the Wizard class reusable component in your application. 
• D、Build a customized wizard using tab canvases and a horizontal toolbar canvas.

第5题：

You want to limit access to a method of a public class to members of the same class. Which access accomplishes this objective？（）  

• A、 public
• B、 private
• C、 protected
• D、 transient
• E、 default access

第6题：

You work as an application developer at Certkiller .com. Certkiller .com has asked you to develop an application that monitors and controls the activities of a Windows service.You need to use the appropriate class to meet Certkiller .com’s requirements. What should you do？（）

• A、 Use the ServiceBase class.
• B、 Use the ServiceInstaller class.
• C、 Use the ServiceManager class.
• D、 Use the ServiceController class.

第7题：

Given an ActionEvent， which method allows you to identify the affected Component？（）  

• A、 Public class getClass（）
• B、 Public Object getSource（）
• C、 Public Component getSource（）
• D、 Public Component getTarget（）
• E、 Public Component getComponent（）
• F、 Public Component getTargetComponent（）

第8题：

You work as an application developer at Certkiller .com. You are developing an application that makes use of a Queue class object named MyQueue. This Queue class object will be used to store messages sent by the user during application run time.You would like to access the message at the beginning of the queue， prior to processing the user messages， without removing it. What should you do？（）

• A、 Use the Enqueue method of the MyQueue object.
• B、 Use the Contains method of the MyQueue object.
• C、 Use the Dequeue method of the MyQueue object.
• D、 Use the Peek method of the MyQueue object.

第9题：

Which object is added to a form module when you copy the reusable calender class?（）

• A、List icon 
• B、Object group 
• C、PL/SQL library 
• D、Key-Listval trigger 

第10题：

You want to provide a tool that allows users quick access to form modules, by listing them in an Explorer-style interface. Which reusable component do you use?（）

• A、ActiveX controls 
• B、Calendar Class 
• C、Standard Object Library 
• D、Picklist Class 
• E、Wizard Class 
• F、Navigator Class