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J2EE Interview Questions Answers

J2EE Interview Question - 1 : -

What is enterprise bean provider ?

J2EE Interview Answer - 1 : -

An application developer who produces enterprise bean classes, remote and Interview Questions - Home interfaces, and deployment descriptor files, and packages them in an EJB JAR file.
 

J2EE Interview Question - 2 : -

What is enterprise bean ?

J2EE Interview Answer - 2 : -

A J2EE component that implements a business task or business entity and is hosted by an EJB container; either an entity bean, a session bean, or a message-driven bean.
 

J2EE Interview Question - 3 : -

What is HTTPS ?

J2EE Interview Answer - 3 : -

HTTP layered over the SSL protocol.
 

J2EE Interview Question - 4 : -

What is bean-managed transaction ?

 

J2EE Interview Answer - 4 : -

A transaction whose boundaries are defined by an enterprise bean.

 

 

J2EE Interview Question - 5 : -

What is J2EE product provider ?

 

J2EE Interview Answer - 5 : -

A vendor that supplies a J2EE product.

 

 

J2EE Interview Question - 6 : -

What is basic authentication ?

J2EE Interview Answer - 6 : -

An authentication mechanism in which a Web server authenticates an entity via a user name and password obtained using the Web application's built-in authentication mechanism.
 

J2EE Interview Question - 7 : -

What is IIOP ?

 

J2EE Interview Answer - 7 : -

Internet Inter-ORB Protocol. A protocol used for communication between CORBA object request brokers.

 

 

J2EE Interview Question - 8 : -

What is ebXML ?

J2EE Interview Answer - 8 : -

Electronic Business XML. A group of specifications designed to enable enterprises to conduct business through the exchange of XML-based messages. It is sponsored by OASIS and the United Nations Centre for the Facilitation of Procedures and Practices in Administration, Commerce and Transport (U.N./CEFACT).
 

J2EE Interview Question - 9 : -

What is container-managed transaction ?

 

J2EE Interview Answer - 9 : -

A transaction whose boundaries are defined by an EJB container. An entity bean must use container-managed transactions.
 

J2EE Interview Question - 10 : -

What is Enterprise JavaBeans (EJB) ?

J2EE Interview Answer - 10 : -

A component architecture for the development and deployment of object-oriented, distributed, enterprise-level applications. Applications written using the Enterprise JavaBeans architecture are scalable, transactional, and secure.
 

J2EE Interview Question - 11 : -

What is container-managed sign-on ?

 

J2EE Interview Answer - 11 : -

The mechanism whereby security information needed for signing on to a resource is supplied by the container.

 

 

J2EE Interview Question - 12 : -

What is "applet container"  ?

J2EE Interview Answer - 12 : -

A container that includes support for the applet programming model.
 

J2EE Interview Question - 13 : -

What is an entity ?

J2EE Interview Answer - 13 : -

A distinct, individual item that can be included in an XML document by referencing it. Such an entity reference can name an entity as small as a character (for example, <, which references the less-than symbol or left angle bracket, <). An entity reference can also reference an entire document, an external entity, or a collection of DTD definitions.
 

J2EE Interview Question - 14 : -

What is general entity ?

J2EE Interview Answer - 14 : -

An entity that is referenced as part of an XML document's content, as distinct from a parameter entity, which is referenced in the DTD. A general entity can be a parsed entity or an unparsed entity.
 

J2EE Interview Question - 15 : -

What is Interview Questions - Home interface ?

J2EE Interview Answer - 15 : -

One of two interfaces for an enterprise bean. The Interview Questions - Home interface defines zero or more methods for managing an enterprise bean. The Interview Questions - Home interface of a session bean defines create and remove methods, whereas the Interview Questions - Home interface of an entity bean defines create, finder, and remove methods.