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niranjan


{ City } vijayawada
< Country > india
* Profession * student
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Answers / { niranjan }

Question { KPIT, 5928 }

What is Entity Bean and Session Bean?


Answer

Entity beans are persistant objects which represents the
data stored in database.they are also know as database
interactive beans.we have 2 different types of entity beans.
1.cmp
2.bmp
SESSION BEANS are reusable components and contain the logic
for business process.they are usually associated with one
client.they are also called as client interactive beans.

Is This Answer Correct ?    3 Yes 0 No

Question { 6782 }

what are the different services provided by the web server?


Answer

1.receiving request from a client
2.sending response to a client
3.database interaction
4.data persistance mechanism

Is This Answer Correct ?    2 Yes 2 No


Question { AZTEC, 16459 }

how do you maintain sessions in servlets?


Answer

servlet context

Is This Answer Correct ?    22 Yes 10 No

Question { 6957 }

HTTP tunneling means what?


Answer

HTTP Tunneling is the process of performing both read and
write operations using HTTP protocol.

Is This Answer Correct ?    4 Yes 3 No

Question { KPIT, 9455 }

what is meant by servlet to servlet communication?


Answer

Servlets running in the same communicate with eachother in
several ways.The reason to to go for inter servlet
communication are
1.Direct Servlet manipulation
2. servlet collobaration
3.Servlet reuse

Is This Answer Correct ?    13 Yes 5 No

Question { HCL, 7277 }

Transaction Attributes? What is the use of ?RequiresNew?


Answer

Depending upon the transaction attributes the container
will decide when to start the transaction.
RequiresNew-----a method is invoked in a new transaction
context.

Is This Answer Correct ?    5 Yes 1 No

Question { Business Architectures, 7116 }

What Is EJB Clustering? Explain the Functionality?


Answer

Clustering is the technique of grouping machines together
to transparently provide enterprise services .IT provides
scalability and high availability.

Is This Answer Correct ?    3 Yes 0 No

Question { Tech Mahindra, 7628 }

what is ejb


Answer

EJB is a distributed component which is used to develop the
business applications.It is a technology that is based on
J2EE platform.
EJB is a java object that is implemented to the EJB
specifications.EJB has some special features of addressing
the problems like deployability on various standardised
servers,transactions,persistence etc.

Is This Answer Correct ?    2 Yes 1 No

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