MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 1671 Mcqs, each offering curated multiple-choice questions to sharpen your Technical Programming knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Which method is used to specify before any lines that uses the PrintWriter? |
| A. | setPageType() |
| B. | setContextType() |
| C. | setContentType() |
| D. | setResponseType() |
| Answer» D. setResponseType() | |
| 102. |
RequestDispatcher object is used |
| A. | to include other resources |
| B. | to include an image |
| C. | to include xml object |
| D. | to include e-mailing response |
| Answer» B. to include an image | |
| 103. |
Which EJB uses EJB-QL for query operations? |
| A. | BMP Entity Bean |
| B. | CMP Entity Bean |
| C. | Session Bean |
| D. | Message-Driven Bean |
| Answer» C. Session Bean | |
| 104. |
When may a constructor be called without specifying arguments? |
| A. | When the default constructor is not called |
| B. | When the name of the constructor differs from that of the class |
| C. | When there are no constructors for the class |
| D. | None of above |
| Answer» D. None of above | |
| 105. |
When a session bean has container-managed demarcation value of 'Supports', which three methods run in an unspecified transaction context? 1. ejbActivate 2. getRollbackOnly 3. getUserTransaction 4. ejbRemove 5. afterBegin 6. afterCompletion |
| A. | 1,4,3 |
| B. | 4,2,6 |
| C. | 1,4,6 |
| D. | 2,5,6 |
| Answer» D. 2,5,6 | |
| 106. |
The EJB Transaction Attribute that ensures the method call that always takes place in a transaction, either client started or container started’ are |
| A. | TX_SUPPORTS |
| B. | TX_MANDATORY |
| C. | TX_REQUIRED and TX_REQUIRES_NEW |
| D. | Either A or B |
| Answer» D. Either A or B | |
| 107. |
Struts framework |
| A. | should always decouple the application from a specific model implementation |
| B. | provides model components |
| C. | does not support JavaBeans and EJB |
| D. | has built-in support for the model |
| Answer» B. provides model components | |
| 108. |
Which of the following tags in struts-config.xml file defines the availability of necessary Struts JSP custom tag libraries? |
| A. | < jsp-lib> |
| B. | < struts-taglib> |
| C. | < taglib> |
| D. | < jsp-taglib> |
| Answer» D. < jsp-taglib> | |
| 109. |
Which of the following acts as a bridge between user-invoked URI and a business method? |
| A. | HttpRequest |
| B. | Action class |
| C. | ActionServlet |
| D. | RequestProcessor |
| Answer» C. ActionServlet | |
| 110. |
Business delegate pattern |
| A. | Hides remote services complexity |
| B. | Reduces coupling and increases manageability |
| C. | Eases failure recovery |
| D. | All of the above |
| Answer» E. | |
| 111. |
What is the return type of program’s main( ) method? |
| A. | Void main() |
| B. | Init |
| C. | Void |
| D. | Run |
| Answer» D. Run | |
| 112. |
Which services are provided to EJB components by the EJB container? |
| A. | Transaction support |
| B. | Persistence support |
| C. | Naming support |
| D. | All mentioned above |
| Answer» E. | |
| 113. |
Which case of a session bean obtains the UserTransaction object via the EJBContext using the getUserTransaction() method in EJB transaction management? |
| A. | Bean-managed transactions |
| B. | Container-managed transactions |
| C. | Both A & B |
| D. | None of the above |
| Answer» B. Container-managed transactions | |
| 114. |
Action Servlet, Request Processor and Action classes are the components of |
| A. | View |
| B. | Model |
| C. | Deployment |
| D. | Controller |
| Answer» C. Deployment | |
| 115. |
How does Java Script store dates in objects of Date type? |
| A. | The number of days since 1st, 1900 |
| B. | The number of seconds since January 1st, 1970 |
| C. | The number of milliseconds since January 1st, 1970 |
| D. | The number of picoseconds since January 1st, 1970 |
| Answer» D. The number of picoseconds since January 1st, 1970 | |
| 116. |
How many instances can be created per application module by the Request Processor class? |
| A. | Four |
| B. | Three |
| C. | One |
| D. | Uncountable instances |
| Answer» D. Uncountable instances | |
| 117. |
Which of the following is/are true for JSP technology? I. It is persistent. II. Platform independent. III. Browser executes the code. |
| A. | Only (I) above |
| B. | Only (II) above |
| C. | Both (I) and (II) above |
| D. | Both (II) and (III) above |
| Answer» D. Both (II) and (III) above | |
| 118. |
What declarations are required for every Java application? |
| A. | A class and the main( ) method declarations. |
| B. | A class with void method |
| C. | A class with main method |
| D. | A class with init method |
| Answer» B. A class with void method | |
| 119. |
What are identifiers and what is naming convention? |
| A. | Identifiers are used for class names |
| B. | Identifiers are used for class names, method names |
| C. | Identifiers are used for class names, method names and variable names. |
| D. | None of above |
| Answer» D. None of above | |
| 120. |
What are default values of different primitive types? |
| A. | int - 0 |
| B. | short - 0 |
| C. | byte - 0 |
| D. | long - 0 l |
| Answer» B. short - 0 | |
| 121. |
Which of the java bean tags is used to show the bean value on the web page? |
| A. | < bean:define> |
| B. | < bean:message> |
| C. | < bean:show> |
| D. | < bean:write> |
| Answer» E. | |
| 122. |
Abbreviate the term JMS? |
| A. | Java Message Service |
| B. | Java Monitor Service |
| C. | Java Message Session |
| D. | Java Monitor Session |
| Answer» B. Java Monitor Service | |
| 123. |
Which of the following statements correctly describes the relation between an object and the instance variable it stores? |
| A. | Each new object has its own distinctive set of instance variables |
| B. | Each object has a copy of the instance variables of its class |
| C. | The instance variable of each object are separate from the variables of other objects |
| D. | All of above |
| Answer» E. | |
| 124. |
Which of the following is true for EJB? |
| A. | EJB is server-side component architecture for distributed applications in Java |
| B. | EJB facilitates scalable, secure and transaction-oriented applications |
| C. | EJB supports portability and reusability |
| D. | All of the above. |
| Answer» E. | |
| 125. |
Which of the following is not a container for EJB? I. Internet Information Server. II. Java System Application Server. III. Tomcat. IV. WebLogic. |
| A. | Both (I) and (II) above |
| B. | Both (II) and (III) above |
| C. | Both (III) and (IV) above |
| D. | Both (I) and (III) above. |
| Answer» E. | |
| 126. |
_________ are used to identify a user who returns to a Website. |
| A. | Cookies |
| B. | Plug-ins |
| C. | Scripts |
| D. | ASPs |
| Answer» B. Plug-ins | |
| 127. |
In JSP Action tags which tags are used for bean development? |
| A. | jsp:useBean |
| B. | jsp:setPoperty |
| C. | jsp:getProperty |
| D. | All mentioned above |
| Answer» E. | |
| 128. |
Which of the EJB has a passive state in its life cycle? I. Stateless Session Bean. II. Message-Driven Bean. III. BMP Entity Bean. |
| A. | Only (I) above |
| B. | Only (II) above |
| C. | Only (III) above |
| D. | Both (I) and (II) above |
| Answer» D. Both (I) and (II) above | |
| 129. |
A message driven bean is like statefull session bean that encapsulates the business logicand doesn't maintain state. |
| A. | True |
| B. | False |
| C. | none |
| D. | all |
| Answer» C. none | |
| 130. |
Which of the following is/are true for JSP technology?I. It is persistent. II. Platform independent. III. Browser executes the code. |
| A. | Only (I) above |
| B. | Only (II) above |
| C. | Both (I) and (II) above |
| D. | Both (II) and (III) above |
| Answer» D. Both (II) and (III) above | |
| 131. |
Which two of the following is responsible to creates ejb-jar files? 1. The bean provider. 2. The application assembler. 3. The deployer. 4. The system administrator. |
| A. | 1 and 2 |
| B. | 2 and 3 |
| C. | 3 and 4 |
| D. | 4 and 1 |
| Answer» B. 2 and 3 | |
| 132. |
Which component does the Entity bean represents the persistent data stored in the database? |
| A. | Server-side component |
| B. | Client-side component |
| C. | server and client side component |
| D. | None of the above |
| Answer» B. Client-side component | |
| 133. |
Which of the following below are abilities of Reflection API in Java? |
| A. | Determining state of an object |
| B. | Both B and C |
| C. | Determining duplicate classes |
| D. | Determination of the class of an object |
| Answer» E. | |
| 134. |
EJB is a |
| A. | Middleware |
| B. | Scalable component architecture |
| C. | Component architecture to integrate legacy systems |
| D. | All of the above. |
| Answer» E. | |
| 135. |
Which of the following are the session tracking techniques? |
| A. | URL rewriting, using session object, using response object, using hidden fields |
| B. | URL rewriting, using session object, using cookies, using hidden fields |
| C. | URL rewriting, using servlet object, using response object, using cookies |
| D. | URL rewriting, using request object, using response object, using session object |
| Answer» C. URL rewriting, using servlet object, using response object, using cookies | |
| 136. |
In HTTP Request Which Asks for the loopback of the request message, for testing or troubleshooting? |
| A. | PUT |
| B. | OPTIONS |
| C. | DELETE |
| D. | TRACE |
| Answer» E. | |
| 137. |
JMS is also known as a messaging service. |
| A. | True |
| B. | False |
| C. | none |
| D. | all |
| Answer» B. False | |
| 138. |
From the following APIs, which API does NOT guarantee to be supported by EJB 2.0 containers? |
| A. | JAXP |
| B. | JNDI |
| C. | JXTA |
| D. | JDBC |
| Answer» D. JDBC | |
| 139. |
To get the servlet environment information |
| A. | ServletConfig object is used |
| B. | ServletException object is used |
| C. | ServletContext object is used |
| D. | ServletContainer object is used |
| Answer» D. ServletContainer object is used | |
| 140. |
What type of image map could be used with Java Script? |
| A. | Client-side image maps |
| B. | Server-side image maps. |
| C. | Both A and B |
| D. | Localhost image maps |
| Answer» B. Server-side image maps. | |
| 141. |
Which of the following is not true for
|
| 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. | All the above. |
| Answer» E. | |
| 142. |
Which of the following statements accurately describe the use of access modifiers withina class definition? |
| A. | They can be applied to both data & methods |
| B. | They must precede a class's data variables or methods |
| C. | They can appear in any order |
| D. | All of above |
| Answer» E. | |
| 143. |
What is the alternate name for Java script? |
| A. | LimeScript |
| B. | Both a and d |
| C. | ECMScript |
| D. | ECMAScript |
| Answer» E. | |
| 144. |
Which two of the following must be included in every ejb-jar file? 1. Stubs for the EJBHome and EJBObject interface. 2. The JAR Manifest file. 3. A deployment descriptor. 4. The JNDI context. 5. The EJB's home interface. |
| A. | 1 and 3 |
| B. | 2 and 5 |
| C. | 3 and 5 |
| D. | 4 and 2 |
| Answer» D. 4 and 2 | |
| 145. |
In EJB, middleware services are provided by EJB Container automatically. |
| A. | True |
| B. | False |
| C. | none |
| D. | all |
| Answer» B. False | |
| 146. |
In order for a source code file, containing the public class Test, to successfully compile, which of the following must be true? |
| A. | It must have a package statement |
| B. | It must be named Test.java |
| C. | It must import java.lang |
| D. | It must declare a public class named Test |
| Answer» C. It must import java.lang | |
| 147. |
Which of the following features are common to both Java & C++? |
| A. | The class declaration |
| B. | The access modifiers |
| C. | The encapsulation of data & methods with in objects |
| D. | All of above |
| Answer» E. | |
| 148. |
Which of the following is not an implicit object in JSP? I. Request. II. Session. III. Vector. IV. In. |
| A. | Both (I) and (II) above |
| B. | Both (II) and (III) above |
| C. | Both (I) and (III) above |
| D. | Both (III) and (IV) above. |
| Answer» E. | |
| 149. |
Which of the following is not a container for EJB?I. Internet Information Server. II. Java System Application Server. III. Tomcat. IV. WebLogic. |
| A. | Both (I) and (II) above |
| B. | Both (II) and (III) above |
| C. | Both (III) and (IV) above |
| D. | Both (I) and (III) above. |
| Answer» E. | |
| 150. |
Which of the following allows substitution of code to occur at the translation time in a JSP page? |
| A. | <jsp:include> Tag |
| B. | <@ include> directive |
| C. | <@ page> directive |
| D. | Declaration block |
| Answer» C. <@ page> directive | |