Computer Knowledge
Java Enterprise and Web Technologies
2,279 Questions
Java enterprise and web technologies questions focus on J2EE architecture, web services like SOAP, and servlet functionalities. These topics frequently appear in IT officer and specialist scale examinations. Regular practice ensures familiarity with enterprise application components.
HttpServlet methodsSOAP and web servicesEJB architecture rolesJ2EE componentsJSP servlet callingUDDI concepts
Java Enterprise and Web Technologies Questions
-
Java beans
-
Ajax
-
Java applet
-
OrbixWeb
-
Query
B
Correct answer
Explanation
Ajax incorporates JavaScript binding everything together.
-
Model components
-
Java beans components
-
Bean managed persistence
-
Portable object adapter
-
View components
E
Correct answer
Explanation
View components are used to display the information provided by model components.
-
Java struts
-
WebSphere
-
Java applet
-
Transaction
-
Filter
A
Correct answer
Explanation
In addition to helping you work faster and having no cost, java struts helps make your end work products better.
-
Enterprise bean provider
-
Deployment descriptor
-
EJB server provider
-
TX_MANDATORY
-
Instance passivation
A
Correct answer
Explanation
It is typically an application domain expert.
-
Stateless session bean
-
Stateful session bean
-
Java bean
-
Java applet
-
WebSphere
B
Correct answer
Explanation
The stateful session bean is used when the bean needs to hold information about the client across method invocations.
-
Java applet
-
Filter
-
Java beans
-
Session beans
-
Instance pooling
D
Correct answer
Explanation
Session beans will disappear if the bean's timeout value expires.
-
EJB server provider
-
deployment descriptor
-
application assembler
-
preached instance
-
TX_BEAN_MANAGED
C
Correct answer
Explanation
The EJB architecture does not preclude the case that application assembler is performed after the deployment of all or some of the enterprise beans.
-
Deployer
-
EJB server provider
-
Deployment descriptor
-
TX_SUPPORTS
-
Instance passivation
A
Correct answer
Explanation
Deployer's output are enterprise beans that have been customized for the target operational environment.
-
Home interface
-
Remote interface
-
Bean managed persistence
-
Instance pooling
-
TX_BEAN_MANAGED
A
Correct answer
Explanation
The home interface for an enterprise bean defines the bean's life cycle methods.
-
Java applet
-
Java beans
-
Ajax
-
Websphere
-
Query
C
Correct answer
Explanation
With Ajax, when a user clicks a button, you can use java script and DHTML to immediately update the UI, and spawn an asynchronous request to the server to perform an update or query a database.
-
Java applets
-
Java servlets
-
OrbixWeb
-
Java beans
-
Object life cycle
B
Correct answer
Explanation
These are an efficient and powerful solution for creating dynamic content for the web.
-
Model components
-
View components
-
Java beans components
-
Portable object adapter
-
Relationships
A
Correct answer
Explanation
It is very common for model components to provide interfaces to databases or back-end systems.
-
Java 2 ORB
-
WebSphere
-
Java applet
-
Events
-
Filters
E
Correct answer
Explanation
Filters were officially introduced in the servlet 2.3 specification.
-
Java applet
-
OrbixWeb
-
Web Sphere
-
Java struts
-
Stock Presentation
D
Correct answer
Explanation
Java struts falls under the Jakarta subproject of the apache software foundation and comes with an open source licence.
-
Enterprise bean provider
-
Deployment descriptor
-
EJB server provider
-
Instance passivation
-
TX_MANDATORY
A
Correct answer
Explanation
It develops reusable enterprise beans that typically implement business tasks or business entities.