Question 1

Which of the following allows substitution of code to occur at the translation time in a JSP page?

Accepted Answer

A) Tag B) <@ include> directive C) <@ page> directive D) Declaration block A) Tag B) <@ include> directive C) <@ page> directive D) Declaration block B

Question 2

Which statement is true for the Class java. util. HashSet?

Accepted Answer

A)  The collection is guaranteed to be immutable. 
B)  The elements in the collection are unique. 
C)  The elements in the collection are order 
A)  The collection is guaranteed to be immutable. 
B)  The elements in the collection are unique. 
C)  The elements in the collection are order B

Question 3

Business delegate pattern

Accepted Answer

A)  Hides remote services complexity 
B)  Reduces coupling and increases manageability 
C)  Eases failure recovery 
D)  All of the above 
A)  Hides remote services complexity 
B)  Reduces coupling and increases manageability 
C)  Eases failure recovery 
D)  All of the above D

Question 4

Which of the following regarding business methods in a bean class is incorrect?

Accepted Answer

A)  Both session bean and entity bean business methods are always same 
B)  For Java RMI API, the argument and return types must always be legal types 
C)  The throws clause may include any exceptions defined by your application. 
D)  None of the above 
A)  Both session bean and entity bean business methods are always same 
B)  For Java RMI API, the argument and return types must always be legal types 
C)  The throws clause may include any exceptions defined by your application. 
D)  None of the above

Question 5

Which statement is correct about the EntityManager API?

Accepted Answer

A)  The merge, persist, remove, and getReference methods must be invoked within a transaction context. 
B)  It is safe (no exception is thrown) to call merge or getTransaction on a JTA EntityManager instance. 
C)  The getReference method can throw an EntityNotFoundException. 
D)  Runtime exceptions thrown by the refresh and createQuery methods of the EntityManager interface do NOT cause the transaction to be rolled back. 
A)  The merge, persist, remove, and getReference methods must be invoked within a transaction context. 
B)  It is safe (no exception is thrown) to call merge or getTransaction on a JTA EntityManager instance. 
C)  The getReference method can throw an EntityNotFoundException. 
D)  Runtime exceptions thrown by the refresh and createQuery methods of the EntityManager interface do NOT cause the transaction to be rolled back.

Question 6

Stateful Session beans contain

Accepted Answer

A)  Home Interface 
B)  Remote Interface 
C)  Bean class 
D)  All of the above 
A)  Home Interface 
B)  Remote Interface 
C)  Bean class 
D)  All of the above

Question 7

Which method of the request object is used to extract values of the input fields in a form when it is submitted?

Accepted Answer

A)  getParameter 
B)  getParameterNames 
C)  getValues 
D)  putValues 
A)  getParameter 
B)  getParameterNames 
C)  getValues 
D)  putValues

Question 8

Which of the following property of Java Bean represents a single value?

Accepted Answer

A)  Simple property 
B)  Boolean property 
C)  Indexed property 
D)  Both (a) and (b) above 
A)  Simple property 
B)  Boolean property 
C)  Indexed property 
D)  Both (a) and (b) above

Question 9

Which of the following is not an implicit object in JSP?
I. Request.
II. Session.
III. Vector.
IV. In.

Accepted Answer

A)  Both (I) and (II) above 
B)  Both (II) and (III) above 
C)  Both (I) and (III) above 
D)  Both (III) and (IV) above. 
A)  Both (I) and (II) above 
B)  Both (II) and (III) above 
C)  Both (I) and (III) above 
D)  Both (III) and (IV) above.

Question 10

Given the following code in a stateful session bean business method; try { Socket skt = new Socket(x,y); } catch (Exception ex) { ex. printStackTrace(); } Assuming that x and y are the port and IP addresses respectively of a running service, which is running on the same server, which of the following is correct?

Accepted Answer

A)  Failure in Compilation 
B)  Failure in Deployment 
C)  An exception is thrown at runtime 
D)  Indeterminate. The code is not guaranteed to be ported to all EJB 2. 0 containers, though it may deploy. 
A)  Failure in Compilation 
B)  Failure in Deployment 
C)  An exception is thrown at runtime 
D)  Indeterminate. The code is not guaranteed to be ported to all EJB 2. 0 containers, though it may deploy.

Question 11

Which of the following is true?

Accepted Answer

A)  Preserving of any state across method calls does not performed by Stateless session beans 
B)  Multiple users can access Stateful session beans at the same time 
C)  Both are correct 
D)  none 
A)  Preserving of any state across method calls does not performed by Stateless session beans 
B)  Multiple users can access Stateful session beans at the same time 
C)  Both are correct 
D)  none

Question 12

Which statement about JTA and resource-local entity managers is correct?

Accepted Answer

A)  The default transaction type for an entity manager is JTA in both Java EE and Java SE environments. 
B)  You cannot use a resource-local entity manager in a Java EE environment. 
C)  The EntityTransaction interface must be used when using a resource-local entity manager. () 
D)  Application-managed entity managers can be only a JTA transaction type. 
A)  The default transaction type for an entity manager is JTA in both Java EE and Java SE environments. 
B)  You cannot use a resource-local entity manager in a Java EE environment. 
C)  The EntityTransaction interface must be used when using a resource-local entity manager. () 
D)  Application-managed entity managers can be only a JTA transaction type.

Question 13

Choose the incorrect statement from the following about Home methods in a bean class for CMP (Container Managed Persistence).

Accepted Answer

A)  The throws clause of the method may include the java. rmi. RemoteException. 
B)  Relationships must not be accessed by the method 
C)  The persistence state of the bean must not be accessed by the method 
D)  The static declaration can not be done for the method. 
A)  The throws clause of the method may include the java. rmi. RemoteException. 
B)  Relationships must not be accessed by the method 
C)  The persistence state of the bean must not be accessed by the method 
D)  The static declaration can not be done for the method.

Question 14

Which of the following is not a container for EJB?
I. Internet Information Server.
II. Java System Application Server.
III. Tomcat.
IV. WebLogic.

Accepted Answer

A)  Both (I) and (II) above 
B)  Both (II) and (III) above 
C)  Both (III) and (IV) above 
D)  Both (I) and (III) above. 
A)  Both (I) and (II) above 
B)  Both (II) and (III) above 
C)  Both (III) and (IV) above 
D)  Both (I) and (III) above.

Question 15

Which method of the servlet is/are called several times in its life?

Accepted Answer

A)  init() 
B)  doPost() 
C)  destroy() 
D)  Both (a) and (b) above 
A)  init() 
B)  doPost() 
C)  destroy() 
D)  Both (a) and (b) above

Question 16

Which of the following is not true for <jsp:useBean> tag in JSP page?

Accepted Answer

A)  Locates a bean instance 
B)  Stores object reference of the bean in a variable 
C)  Creates an instance if fails to locate the bean instance 
D)  Does not execute the body tag if any 
A)  Locates a bean instance 
B)  Stores object reference of the bean in a variable 
C)  Creates an instance if fails to locate the bean instance 
D)  Does not execute the body tag if any

Question 17

Which cannot directly cause a thread to stop executing?

Accepted Answer

A)  Calling a yield method. 
B)  Calling the start method on another Thread object. 
C)  Calling the notify method on an object. 
D)  Calling wait method on an object. 
A)  Calling a yield method. 
B)  Calling the start method on another Thread object. 
C)  Calling the notify method on an object. 
D)  Calling wait method on an object.

Question 18

Which of the following is not a life-cycle method for a Stateful Session Bean?

Accepted Answer

A)  Post Construction 
B)  Pre Destruction 
C)  Post Activation 
D)  Pre Construction 
A)  Post Construction 
B)  Pre Destruction 
C)  Post Activation 
D)  Pre Construction

Question 19

Which of the following is/are true for JSP technology?
I. It is persistent.
II. Platform independent.
III. Browser executes the code.

Accepted Answer

A)  Only (I) above 
B)  Only (II) above 
C)  Both (I) and (II) above 
D)  Both (II) and (III) above 
A)  Only (I) above 
B)  Only (II) above 
C)  Both (I) and (II) above 
D)  Both (II) and (III) above

Question 20

Which of the following is true about EJB transactions?

Accepted Answer

A)  Nested transactions are supported by EJB 2. 0 
B)  Isolation levels specification is supported by EJB 2. 0 
C)  Bean-managed transaction demarcation must not be used in Message-driven beans 
D)  Bean-managed transaction demarcation must not be used in Entity beans 
A)  Nested transactions are supported by EJB 2. 0 
B)  Isolation levels specification is supported by EJB 2. 0 
C)  Bean-managed transaction demarcation must not be used in Message-driven beans 
D)  Bean-managed transaction demarcation must not be used in Entity beans

Which of the following allows substitution of code to occur at the translation time in a JSP page?

Which statement is true for the Class java. util. HashSet?

Business delegate pattern

Which of the following regarding business methods in a bean class is incorrect?

Which statement is correct about the EntityManager API?

Stateful Session beans contain

Which method of the request object is used to extract values of the input fields in a form when it is submitted?

Which of the following property of Java Bean represents a single value?

Which of the following is not an implicit object in JSP? I. Request. II. Session. III. Vector. IV. In.

Which of the following is true?

Which statement about JTA and resource-local entity managers is correct?

Choose the incorrect statement from the following about Home methods in a bean class for CMP (Container Managed Persistence).

Which of the following is not a container for EJB? I. Internet Information Server. II. Java System Application Server. III. Tomcat. IV. WebLogic.

Which method of the servlet is/are called several times in its life?

Which of the following is not true for <jsp:useBean> tag in JSP page?

Which cannot directly cause a thread to stop executing?

Which of the following is not a life-cycle method for a Stateful Session Bean?

Which of the following is/are true for JSP technology? I. It is persistent. II. Platform independent. III. Browser executes the code.

Which of the following is true about EJB transactions?

Java Programming: HTTP Protocol, Scripting Tasks, and Data Access

Servlets and Web Applications

Java Server Pages JSP and Java Script

Java, Servlets, JSP and EJB

EJB, JSP, and Corba

JSP, EJB, and JMS

EJB and Server-Side Components

Filters

Exam 7: Java Web Development

Which of the following allows substitution of code to occur at the translation time in a JSP page?

Which statement is true for the Class java. util. HashSet?

Business delegate pattern

Which of the following regarding business methods in a bean class is incorrect?

Which statement is correct about the EntityManager API?

Stateful Session beans contain

Which method of the request object is used to extract values of the input fields in a form when it is submitted?

Which of the following property of Java Bean represents a single value?

Which of the following is not an implicit object in JSP? I. Request. II. Session. III. Vector. IV. In.

Which of the following is true?

Which statement about JTA and resource-local entity managers is correct?

Choose the incorrect statement from the following about Home methods in a bean class for CMP (Container Managed Persistence).

Which of the following is not a container for EJB? I. Internet Information Server. II. Java System Application Server. III. Tomcat. IV. WebLogic.

Which method of the servlet is/are called several times in its life?

Which of the following is not true for <jsp:useBean> tag in JSP page?

Which cannot directly cause a thread to stop executing?

Which of the following is not a life-cycle method for a Stateful Session Bean?

Which of the following is/are true for JSP technology? I. It is persistent. II. Platform independent. III. Browser executes the code.

Which of the following is true about EJB transactions?

Java Programming: HTTP Protocol, Scripting Tasks, and Data Access

Servlets and Web Applications

Java Server Pages JSP and Java Script

Java, Servlets, JSP and EJB

EJB, JSP, and Corba

JSP, EJB, and JMS

EJB and Server-Side Components

Filters