FREE Online J2EE MCQs

Q1. What is the purpose of a JNDI name in J2EE

It specifies the security constraints for a web application

It specifies the URL for a servlet or JSP

It provides a name for an EJB or other J2EE component that can be looked up in the naming and directory service

It provides a mapping between URL patterns and servlets

Q2. What is a JSP

A technology for generating dynamic content in response to HTTP requests

A Java class that defines the persistent data model for an application

A Java class that provides web-based user interfaces

A Java class that encapsulates business logic and provides a transactional environment

Q3. What is the purpose of a resource adapter in J2EE

It provides a way for a J2EE application to access resources such as databases or messaging systems

It handles HTTP requests and generates dynamic content

It provides a way for a J2EE application to define the persistent data model

It provides web-based user interfaces

Q4. What is the purpose of a JTA transaction manager in J2EE

It provides a way for a J2EE application to access resources such as databases or messaging systems

It manages distributed transactions between multiple resources in a J2EE application

It provides a way for a J2EE application to define the persistent data model

It provides web-based user interfaces

Q5. What is the purpose of the JavaServer Pages (JSP) API in J2EE

It provides a technology for generating dynamic content in response to HTTP requests in J2EE

It provides a way for a J2EE application to access resources such as databases or messaging systems

It provides web-based user interfaces

It provides a way for a J2EE application to define the persistent data model

Q6. Which of the following is not a J2EE component?

EJB

JSP

JDBC

Servlet

Q7. What is the purpose of the Java Authentication and Authorization Service (JAAS) in J2EE

It provides a standard API for authentication and authorization in J2EE

It provides web-based user interfaces

It provides a way for a J2EE application to define the persistent data model

It provides a way for a J2EE application to access resources such as databases or messaging systems

Q8. What is the purpose of the JavaServer Faces (JSF) framework in J2EE

It provides a framework for building user interfaces in J2EE

It provides a way for a J2EE application to access resources such as databases or messaging systems

It provides web-based user interfaces

It provides a way for a J2EE application to define the persistent data model

Q9. What is an EJB?

A Java class that defines the persistent data model for an application

A Java class that handles HTTP requests and generates dynamic content

A Java class that encapsulates business logic and provides a transactional environment

A Java class that provides web-based user interfaces

Q10. What is the purpose of the Java Servlet API in J2EE

It provides web-based user interfaces

It provides a way for a J2EE application to access resources such as databases or messaging systems

It provides a standard API for handling HTTP requests and generating dynamic content in J2EE

It provides a way for a J2EE application to define the persistent data model

Q11. What is the purpose of the JavaMail API in J2EE

It provides a standard API for sending and receiving email in J2EE

It provides a way for a J2EE application to define the persistent data model

It provides a way for a J2EE application to access resources such as databases or messaging systems

It provides web-based user interfaces

Q12. Which of the following is not a type of session in J2EE

Stateless session

Entity session

Stateful session

Entity bean

Q13. What is the role of a servlet in J2EE?

It handles HTTP requests and generates dynamic content

It manages transactions between database and application

It provides web-based user interfaces

It manages business logic and data persistence

Q14. What is the purpose of a deployment descriptor in J2EE

It describes the relationships between J2EE components

It provides a mapping between URL patterns and servlets

It specifies the security constraints for a web application

It specifies how J2EE components should be configured and deployed

Q15. What does J2EE stand for?

Java 2 Essential Elements

Java 2 Extraordinary Efficiency

ava 2 End-to-End

Java 2 Enterprise Edition

Q16. Which of the following is not a type of J2EE connector architecture component

Managed connection factory

Message-driven bean

Resource adapter

Connection factory

Q17. Which of the following is a container in J2EE?

GlassFish

Tomcat

WebSphere

All of the above

Q18. What is the purpose of the Java Message Service (JMS) in J2EE

It provides a way for a J2EE application to access resources such as databases or messaging systems

It provides a standard API for sending and receiving messages between J2EE components

It provides a way for a J2EE application to define the persistent data model

It provides web-based user interfaces

Q19. What is the purpose of the Java Persistence API (JPA) in J2EE

It provides web-based user interfaces

It provides a way for a J2EE application to define the persistent data model

It defines a standard API for object-relational mapping in J2EE

It provides a way for a J2EE application to access resources such as databases or messaging systems

Q20. What is the purpose of the Java Naming and Directory Interface (JNDI) in J2EE

It provides a way for a J2EE application to access resources such as databases or messaging systems

It provides web-based user interfaces

It provides a naming and directory service for J2EE components to look up resources

It provides a way for a J2EE application to define the persistent data model

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