104 + Mcqs in Data Access and Web Services Page 1 McqOptions

1.	You can create a dom4j endpoint by extending the:-
A.	AbstractDom4jPayloadEndpoint
B.	AbstractDom4jPayload
C.	AbstractDom4jEndpoint
D.	None of the mentioned
Answer» B. AbstractDom4jPayload

Discussion

2.	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
Answer» D. Lost Updates

Discussion

3.	Endpoint Classes for SAX:-
A.	AbstractDomPayloadEndpoint
B.	AbstractSaxPayloadEndpoint
C.	AbstractDom4jPayloadEndpoint
D.	AbstractXomPayloadEndpoint
Answer» C. AbstractDom4jPayloadEndpoint

Discussion

4.	Spring EJB Support Classes for Different Types of EJB:-
A.	AbstractStatelessSessionBean
B.	AbstractStatefulSessionBean
C.	AbstractMessageDrivenBean
D.	All of the mentioned
Answer» E.

Discussion

5.	Spring-WS provides various abstract endpoint classes for you to process the request.
A.	org.springframework.ws.server.endpoint
B.	org.springframework.ws.server
C.	org.springframework.*
D.	none of the mentioned
Answer» B. org.springframework.ws.server

Discussion

6.	Spring provides a factory that can export beans annotated with:-
A.	javax.jws.WebService
B.	javax.jws.WebServiceProvider
C.	all of the mentioned
D.	none of the mentioned
Answer» D. none of the mentioned

Discussion

7.	Web services can be invoked through the core template class:-
A.	org.springframework.ws.client.core.WebServiceTemplate
B.	JDBC Template
C.	All of the mentioned
D.	None of the mentioned
Answer» B. JDBC Template

Discussion

8.	If you are using the JAX-RS Reference Implementation, this intermediary step will involve a tool called wsgen.
A.	True
B.	False
C.	May be
D.	Can't say
Answer» B. False

Discussion

9.	The current method should not run within a transaction. If there’s an existing transaction in progress, an exception will be thrown.
A.	Required
B.	MANDATORY
C.	SUPPORTS
D.	NEVER
Answer» E.

Discussion

10.	For two transactions T1 and T2, T1 reads a field that has been updated by T2 but not yet committed.
A.	Dirty Read
B.	Nonrepeatable read
C.	Phantom read
D.	Lost Updates
Answer» B. Nonrepeatable read

Discussion

11.	If there’s an existing transaction in progress, the current method should run within this transaction.
A.	Required
B.	REQUIRES NEW
C.	SUPPORTS
D.	NOT SUPPORTED
Answer» B. REQUIRES NEW

Discussion

12.	Endpoint Classes for DOM:-
A.	AbstractDomPayloadEndpoint
B.	AbstractJDomPayloadEndpoint
C.	AbstractDom4jPayloadEndpoint
D.	AbstractXomPayloadEndpoint
Answer» B. AbstractJDomPayloadEndpoint

Discussion

13.	If there’s an existing transaction in progress, the current method should run within the nested transaction.
A.	Required
B.	MANDATORY
C.	NESTED
D.	NEVER
Answer» D. NEVER

Discussion

14.	Castor requires a mapping configuration file to know how to map objects to and from XML documents.
A.	True
B.	False
C.	May be
D.	Can't say
Answer» B. False

Discussion

15.	For some marshalling APIs, the object model must be generated by them so that they can insert marshalling-specific information.
A.	True
B.	False
C.	May be
D.	Can't say
Answer» B. False

Discussion

16.	A marshalling endpoint requires:-
A.	marshaller
B.	unmarshaller
C.	all of the mentioned
D.	none of the mentioned
Answer» D. none of the mentioned

Discussion

17.	Endpoint Classes for Streaming StAX :-
A.	AbstractDomPayloadEndpoint
B.	AbstractSaxPayloadEndpoint
C.	AbstractStaxStreamPayloadEndpoint
D.	AbstractStaxEventPayloadEndpoint
Answer» D. AbstractStaxEventPayloadEndpoint

Discussion

18.	OpenEJB 3.1.1 supports:-
A.	EJB 2.x components
B.	EJB 3.0 and EJB 3.1 components
C.	All of the mentioned
D.	None of the mentioned
Answer» D. None of the mentioned

Discussion

19.	Endpoint Classes for dom4j:-
A.	AbstractDomPayloadEndpoint
B.	AbstractJDomPayloadEndpoint
C.	AbstractDom4jPayloadEndpoint
D.	AbstractXomPayloadEndpoint
Answer» D. AbstractXomPayloadEndpoint

Discussion

20.	The Spring support classes facilitate building session beans:-
A.	stateful session beans (SFSBs)
B.	stateless session beans (SLSBs)
C.	message-driven beans (MDBs)
D.	all of the mentioned
Answer» E.

Discussion

21.	Marshaller for JAXB 2.0:-
A.	org.springframework.oxm.jaxb.Jaxb1Marshaller
B.	org.springframework.oxm.jaxb.Jaxb2Marshaller
C.	org.springframework.oxm.castor.CastorMarshall
D.	org.springframework.oxm.xmlbeans.XmlBeansMarshaller
Answer» C. org.springframework.oxm.castor.CastorMarshall

Discussion

22.	To send objects across the wire, beans need to be encoded using the Java Architecture for XML Binding (JAXB).
A.	True
B.	False
C.	May be
D.	Can't say
Answer» B. False

Discussion

23.	Endpoint Classes for XML marshalling :-
A.	AbstractDomPayloadEndpoint
B.	AbstractSaxPayloadEndpoint
C.	AbstractStaxStreamPayloadEndpoint
D.	AbstractMarshallingPayloadEndpoint
Answer» E.

Discussion

24.	The concept of an endpoint in web services is much like that of a controller in web applications.
A.	True
B.	False
C.	May be
D.	Can't say
Answer» B. False

Discussion

25.	Spring-WS supports using XML marshalling technology to marshal and unmarshal objects to and from XML documents.
A.	True
B.	False
C.	May be
D.	Can't say
Answer» B. False

Discussion

26.	Spring framework itself also offers a remoting technology called HTTP Invoker.
A.	True
B.	False
C.	May be
D.	Can't say
Answer» B. False

Discussion

27.	EJB interface is a simple Java interface whose methods don’t throw RemoteException.
A.	True
B.	False
C.	May be
D.	Can't say
Answer» B. False

Discussion

28.	If you want to expose EJB component for local access within an enterprise application, the preceding two interfaces should extend EJBLocalObject and EJBLocalHome.
A.	True
B.	False
C.	May be
D.	Can't say
Answer» B. False

Discussion

29.	You can configure the JNDI details for factory bean in:-
A.	jndiEnvironment
B.	jndiName
C.	all of the mentioned
D.	none of the mentioned
Answer» D. none of the mentioned

Discussion

30.	WebServiceTemplate provides a sendSourceAndReceiveToResult() method that accepts arguments:-
A.	java.xml.transform.Source
B.	java.xml.transform.Result
C.	all of the mentioned
D.	none of the mentioned
Answer» D. none of the mentioned

Discussion

31.	In this method, you can access the request XML element, whose type is org.dom4j.Element, and the response document, whose type is org.dom4j.Document, as method arguments.
A.	invoke
B.	invokeInterval
C.	invokeInternal
D.	none of the mentioned
Answer» D. none of the mentioned

Discussion

32.	For two transactions T1 and T2, T1 reads a field and then T2 updates the field.
A.	Dirty Read
B.	Nonrepeatable read
C.	Phantom read
D.	Lost Updates
Answer» C. Phantom read

Discussion

33.	Tomcat doesn’t support JAX-WS by itself.
A.	True
B.	False
C.	May be
D.	Can't say
Answer» B. False

Discussion

34.	In some cases, it’s also hard to map an object to XML (e.g., an object graph with cyclic references) because there’s actually an impedance mismatch between an object model and an XML model.
A.	True
B.	False
C.	May be
D.	Can't say
Answer» B. False

Discussion

35.	Spring-WS supports various XML marshalling APIs.
A.	Castor
B.	JAXB 1.0
C.	XMLBeans
D.	All of the mentioned
Answer» E.

Discussion

36.	If there’s an existing transaction in progress, the current method can run within this transaction.
A.	Required
B.	REQUIRES NEW
C.	SUPPORTS
D.	NOT SUPPORTED
Answer» D. NOT SUPPORTED

Discussion

37.	Lightweight remoting technologies developed by Caucho Technology.
A.	Hessian
B.	Burlap
C.	All of the mentioned
D.	None of the mentioned
Answer» D. None of the mentioned

Discussion

38.	If you need to get access to the entire SOAP message, you should write an endpoint class by implementing:-
A.	org.springframework.ws.server.endpoint.MessageEndpoint
B.	org.springframework.ws
C.	org.springframework.ws.server.endpoint
D.	all of the mentioned
Answer» B. org.springframework.ws

Discussion

39.	Spring’s transaction support offers a set of technology-independent facilities, including transaction managers.
A.	org.springframework.transaction.PlatformTransactionManager
B.	org.springframework.transaction.support.TransactionTemplate
C.	all of the mentioned
D.	none of the mentioned
Answer» D. none of the mentioned

Discussion

40.	Spring’s core transaction management abstraction is based on the interface:-
A.	PlatformTransaction
B.	PlatformTransactionManager
C.	TransactionManager
D.	PlatformManager
Answer» C. TransactionManager

Discussion

41.	To use the context injection approach, you can declare an entity manager field in your DAO and annotate it with the @PersistenceContext annotation.
A.	True
B.	False
C.	May be
D.	Can't say
Answer» B. False

Discussion

42.	JpaTemplate will translate the native JPA exceptions into exceptions in Spring DataAccessException hierarchy.
A.	True
B.	False
C.	May be
D.	Can't say
Answer» B. False

Discussion

43.	Spring provides to simplify your DAO implementation by managing entitymanagers and transactions for you:-
A.	HibernateTemplate
B.	JpaTemplate
C.	SpringTemplate
D.	None of the mentioned
Answer» C. SpringTemplate

Discussion

44.	HibernateTemplate will translate the native Hibernate exceptions into exceptions in Spring DataAccessException hierarchy.
A.	True
B.	False
C.	May be
D.	Can't say
Answer» B. False

Discussion

45.	DAO methods require access to the session factory, which can be injected:-
A.	a setter method
B.	constructor argument
C.	none of the mentioned
D.	all of the mentioned
Answer» E.

Discussion

46.	Annotation for Hibernate exceptions to be translated into Spring DataAccessException for consistent exception handling:-
A.	@Translation
B.	@Repo
C.	@Repository
D.	None of the mentioned
Answer» D. None of the mentioned

Discussion

47.	DAO methods must be made transactional.
A.	True
B.	False
C.	May be
D.	Can't say
Answer» B. False

Discussion

48.	You can assign a component name in this annotation and have the session factory autowired by the Spring IoC container with @Autowired.
A.	True
B.	False
C.	May be
D.	Can't say
Answer» B. False

Discussion

49.	An alternative to Spring HibernateTemplate is:-
A.	HibernateContext
B.	Hibernate contextual sessions
C.	All of the mentioned
D.	None of the mentioned
Answer» C. All of the mentioned

Discussion

50.	Sessionfactory can manage contextual sessions for you and allows you to retrieve them by the:-
A.	getSession() method
B.	getCurrent() method
C.	getCurrentSession() method
D.	none of the mentioned
Answer» D. none of the mentioned

Discussion

Explore topic-wise MCQs in Java Spring Framework.

You can create a dom4j endpoint by extending the:-

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

Endpoint Classes for SAX:-

Spring EJB Support Classes for Different Types of EJB:-

Spring-WS provides various abstract endpoint classes for you to process the request.

Spring provides a factory that can export beans annotated with:-

Web services can be invoked through the core template class:-

If you are using the JAX-RS Reference Implementation, this intermediary step will involve a tool called wsgen.

The current method should not run within a transaction. If there’s an existing transaction in progress, an exception will be thrown.

For two transactions T1 and T2, T1 reads a field that has been updated by T2 but not yet committed.

If there’s an existing transaction in progress, the current method should run within this transaction.

Endpoint Classes for DOM:-

If there’s an existing transaction in progress, the current method should run within the nested transaction.

Castor requires a mapping configuration file to know how to map objects to and from XML documents.

For some marshalling APIs, the object model must be generated by them so that they can insert marshalling-specific information.

A marshalling endpoint requires:-

Endpoint Classes for Streaming StAX :-

OpenEJB 3.1.1 supports:-

Endpoint Classes for dom4j:-

The Spring support classes facilitate building session beans:-

Marshaller for JAXB 2.0:-

To send objects across the wire, beans need to be encoded using the Java Architecture for XML Binding (JAXB).

Endpoint Classes for XML marshalling :-

The concept of an endpoint in web services is much like that of a controller in web applications.

Spring-WS supports using XML marshalling technology to marshal and unmarshal objects to and from XML documents.

Spring framework itself also offers a remoting technology called HTTP Invoker.

EJB interface is a simple Java interface whose methods don’t throw RemoteException.

If you want to expose EJB component for local access within an enterprise application, the preceding two interfaces should extend EJBLocalObject and EJBLocalHome.

You can configure the JNDI details for factory bean in:-

WebServiceTemplate provides a sendSourceAndReceiveToResult() method that accepts arguments:-

In this method, you can access the request XML element, whose type is org.dom4j.Element, and the response document, whose type is org.dom4j.Document, as method arguments.

For two transactions T1 and T2, T1 reads a field and then T2 updates the field.

Tomcat doesn’t support JAX-WS by itself.

In some cases, it’s also hard to map an object to XML (e.g., an object graph with cyclic references) because there’s actually an impedance mismatch between an object model and an XML model.

Spring-WS supports various XML marshalling APIs.

If there’s an existing transaction in progress, the current method can run within this transaction.

Lightweight remoting technologies developed by Caucho Technology.

If you need to get access to the entire SOAP message, you should write an endpoint class by implementing:-

Spring’s transaction support offers a set of technology-independent facilities, including transaction managers.

Spring’s core transaction management abstraction is based on the interface:-

To use the context injection approach, you can declare an entity manager field in your DAO and annotate it with the @PersistenceContext annotation.

JpaTemplate will translate the native JPA exceptions into exceptions in Spring DataAccessException hierarchy.

Spring provides to simplify your DAO implementation by managing entitymanagers and transactions for you:-

HibernateTemplate will translate the native Hibernate exceptions into exceptions in Spring DataAccessException hierarchy.

DAO methods require access to the session factory, which can be injected:-

Annotation for Hibernate exceptions to be translated into Spring DataAccessException for consistent exception handling:-

DAO methods must be made transactional.

You can assign a component name in this annotation and have the session factory autowired by the Spring IoC container with @Autowired.

An alternative to Spring HibernateTemplate is:-

Sessionfactory can manage contextual sessions for you and allows you to retrieve them by the:-