Mcqs on advanced java multiple choice practice questions

61. __________ provides the ability to directly insert java into an HTML document.

A. declarations 
B. scriptlets 
C. directives 
D. None of the above 

62. ___________ pattern enables improved network traffic and response time. Fewer remote calls are made and less data is passed back and forth.

A. Value Objects 
B. Data Access Objects 
C. Facade 
D. Business Delegate 

63. Which of the following of beans would survive a server crash.

A. Entity beans 
B. Stateless session beans 
C. Stateful session beans 
D. Message-driven beans 

64. Which of the following statements are true about locating or using the home interface of a session bean.

A. Once acquired, the home interface can be used only once 
B. Each instance of a session bean has its own EJBHome object 
C. The InitialContext must be narrowed before it can be used to get the home interface 
D. None of the above 

65. Which of the following statements are correct about a session bean whose class contains the following method? public void ejbCreate (String id).

A. It is a Stateless session bean 
B. The home interface of the bean has the method create (String id) declared in it 
C. The component interface ofthe bean has the method ejbCreate (String id) declared in it  
D. None of the above 

66. What are valid methods for HttpSessionListener interface.

A. sessionRemoved 
B. sessionDestroyed 
C. sessionReCreated 
D. sessionReplaced 

67. Sites using HTTPS that is HTTP plus SSL(Secure Sockets Layer ) can be identified by.

A. There is no way one can detect that site uses HTTPS protocol 
B. The URL of the website begins with https: instead of http 
C. The URL of the website begins with ssl: instead of http 
D. The URL of the website begins with shttp 

68. An object which implements the interfaces java.rmi.Remote and java.io.Serializable is being sent as a method parameter from one JVM to another. How would it be sent by RMI?.

A. RMI will serialize the object and send it 
B. RMI will send the stub of the object 
C. Either A or B Throws an exception 
D. None 

69. In the JMS, message producers and message consumers are created by which of the following objects?.

A. Connection Factories 
B. Message Listeners 
C. Connections 
D. Sessions 

70. To author a Session bean which of the following classes are needed?.

A. A Home interface, A Remote Interface, a class that implements Enterprisebean interface and a PrimaryKey class 
B. A Home interface, A Remote Interface and a class that implements the SessionBean interface 
C. A Remote Interface and a class that implements the SessionBean interface 
D. A Home interface, A Remote Interface and a class that implements the EnterpriseBean interface 

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