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Welcome to the Data Access and Web Services MCQs Page

Dive deep into the fascinating world of Data Access and Web Services with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Access and Web Services, a crucial aspect of Java Spring Framework. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Access and Web Services, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Java Spring Framework.

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Check out the MCQs below to embark on an enriching journey through Data Access and Web Services. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Java Spring Framework.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Data Access and Web Services. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Data Access and Web Services MCQs | Page 11 of 18

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Q101.
For two transactions T1 and T2, T1 reads some rows from a table and then T2 inserts new rows into the table.

a.

Dirty Read

b.

Nonrepeatable read

c.

Phantom read

d.

Lost Updates

Discuss
Answer: (c).Phantom read
Q102.
For two transactions T1 and T2, they both select a row for update, and based on the state of that row, make an update to it.

a.

Dirty Read

b.

Nonrepeatable read

c.

Phantom read

d.

Lost Updates

Discuss
Answer: (d).Lost Updates
Q103.
Isolation Levels Supported by Spring:-

a.

DEFAULT

b.

READ COMMITTED

c.

READ UNCOMMITTED

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q104.
The exceptions that cause a transaction to roll back or not can be specified by attribute:-

a.

rollback

b.

commit

c.

serialize

d.

none of the mentioned

Discuss
Answer: (a).rollback
Q105.
Key technology in developing distributed applications, especially multi-tier enterprise applications.

a.

Remoting

b.

EJB

c.

RMI

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q106.
Java-based remoting technology that allows two Java applications running in different JVMs to communicate with each other.

a.

Burlap

b.

EJB

c.

RMI

d.

All of the mentioned

Discuss
Answer: (c).RMI
Q107.
To expose a service through RMI, you have to create the service interface that extends:-

a.

java.rmi.Remote

b.

java.rmi.RemoteException

c.

all of the mentioned

d.

none of the mentioned

Discuss
Answer: (a).java.rmi.Remote
Q108.
To call the methods on a remote service:-

a.

java.rmi.Remote

b.

java.rmi.RemoteException

c.

all of the mentioned

d.

none of the mentioned

Discuss
Answer: (b).java.rmi.RemoteException
Q109.
Spring remoting facilities can significantly simplify the RMI usage on both the server and client sides.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (a).True
Q110.
There are several properties you must configure for an RmiServiceExporter instance:-

a.

service name

b.

service interface

c.

service object

d.

all of the mentioned

Discuss
Answer: (d).all of the mentioned
Page 11 of 18

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