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Code d'Examen: 310-090
Nom d'Examen: SUN (Sun Certified Business Component Developer for J2EE 1.3)
Questions et réponses: 409 Q&As

310-090 Démo gratuit à télécharger: http://www.pass4test.fr/310-090.html

NO.1 Which transaction attribute may cause a javax.transaction.TransactionRequiredException to be
thrown?
A. Required
B. Supports
C. Mandatory
D. RequiresNew
Answer: C

certification SUN   certification 310-090   310-090 examen   310-090 examen

NO.2 Which two must a Bean Provider avoid in an enterprise bean to ensure that the bean is portable to
any compliant EJB 2.0 container? (Choose two.)
(Assume that all reference variables have been correctly and legally initialized.)
A. java.sql.Connection c = aDataSource.getConnection();
B. java.security.Principal p = context.getCallerPrincipal();
C. QueueSession q = aQueueConnection.createQueueSession(true, 0);
D. Object o = new Object();
Object o2 = o.getClass().getClassLoader();
E. java.io.FileInputStream fs = new java.io.FileInputStream("MyFile");
Answer: D E

SUN examen   certification 310-090   310-090   310-090   310-090

NO.3 Which exception can be thrown by the findByPrimaryKey method of a remotely called entity bean using
container-managed persistence?
A. javax.ejb.EJBException
B. javax.ejb.DuplicateKeyException
C. javax.ejb.NoSuchEntityException
D. javax.ejb.ObjectNotFoundException
Answer: D

SUN   310-090   310-090   certification 310-090   310-090

NO.4 Which two APIs are provided to the Bean Provider by an EJB 2.0 container? (Choose two.)
A. JTA
B. JMX
C. JSP
D. JDO
E. JAXP
Answer: A E

certification SUN   310-090   310-090   310-090

NO.5 Label the methods according to whether the container ensures that the identity of the associated
entity object is available or unavailable to the instance during the method.
Answer:

NO.6 Which two are valid types for persistent fields in a CMP 2.0 entity bean? (Choose two.)
A. Java primitives
B. entity bean local interfaces
C. classes implementing java.io.Serializable
D. either java.util.Collection or java.util.Set
Answer: A C

SUN examen   certification 310-090   certification 310-090   certification 310-090   310-090 examen

NO.7 Given:
Which two elements must be included in the <resource-ref> tag? (Choose two.)
A. <res-type>
B. <res-ref-name>
C. <resource-env-ref>
D. <environment-resource>
Answer: A B

certification SUN   310-090   310-090   310-090

NO.8 Which two are guaranteed to a Bean Provider using an EJB 2.0 container? (Choose two.)
A. access to the JCE API
B. access to JavaMail API
C. access to the JXTA API
D. access to the JAXP API
Answer: B D

SUN   310-090   certification 310-090   310-090 examen   310-090

NO.9 Which is a Bean Provider's security-related responsibility?
A. assigns principals to roles in the application server
B. declares the role-link element in the deployment descriptor
C. declares the security-role element in the deployment descriptor
D. declares the security-role-ref element in the deployment descriptor
Answer: D

SUN   310-090   310-090   310-090

NO.10 Which two are required to properly implement a CMP entity bean class? (Choose two.)
A. Declare variables for all persistent fields.
B. Provide constructors to initialize the CMP fields.
C. Do not implement the ejbFind<METHOD> methods.
D. Provide implementation code for get and set methods to store and retrieve the persistent fields.
E. Implement ejbCreate<METHOD> methods for all home interface create<METHOD> methods.
Answer: C E

SUN   certification 310-090   certification 310-090   certification 310-090   310-090

NO.11 Which statement is true about a session bean's lifecycle?
A. Session beans cannot receive re-entrant loopback calls.
B. A stateless session bean's home interface can have overloaded create methods.
C. Stateless session beans can implement javax.ejb.SessionSynchronization.
D. The EJB 2.0 container can make concurrent calls to any stateful session bean instance.
Answer: A

certification SUN   310-090   310-090   certification 310-090   certification 310-090

NO.12 Click the Exhibit button.
All beans involved use container-managed transactions and all methods are marked as Required. At
runtime, methodB is unable to communicate with its resource and calls the setRollbackOnly method.
What is the result?
A. JMS message redelivery semantics will apply.
B. The rollback will propagate to the sender of the message.
C. The bean's onMessage method will reattempt the sequence.
D. Transactions started by the onMessage method will always commit.
Answer: A

SUN   310-090 examen   310-090   certification 310-090   310-090 examen

NO.13 Which two must a Bean Provider supply for each enterprise bean in the deployment descriptor?
(Choose two.)
A. security roles
B. the JNDI name of the enterprise bean
C. the enterprise bean type: session, entity, or message-driven
D. the value of the transaction attributes for the home and component interface methods
E. the fully-qualified name of the class that implements the enterprise bean's business methods
Answer: C E

SUN   certification 310-090   310-090   310-090 examen

NO.14 Which is a capability guaranteed by all EJB 2.0 containers?
A. JTA support
B. server failover
C. load balancing
D. servlet support
E. server clustering
Answer: A

certification SUN   310-090 examen   310-090 examen

NO.15 Which two statements about a client's reference to a session bean's remote home interface are true?
(Choose two.)
A. The reference can be passed as a method argument.
B. The reference provides the client with the IP address of the bean instance.
C. The reference provides the client with access to at least one create method.
D. A new home reference must be obtained for each new reference to a remote component interface.
Answer: A C

SUN   310-090   310-090   310-090

NO.16 Which two statements are true? (Choose two.)
A. The EJB container must not allow the same enterprise bean to be deployed multiple times.
B. The EJB container must allow IIOP invocations on remote component and home interfaces.
C. The EJB container is not required to support publishing home references in a CORBA CosNaming
service.
D. The EJB container must implement the resource manager connection factory classes for resource
managers configured with the container.
E. The EJB container must allow enterprise beans deployed in the same enterprise archive to access one
another directly without having to go through home or remote interfaces.
Answer: B D

certification SUN   310-090 examen   310-090

NO.17 Which feature is mandatory for an EJB 2.0 compliant container?
A. JMX support
B. JVM co-resident JSPs
C. deferred database writes
D. lazy loading of entity bean data
E. client principal caller propagation
Answer: E

certification SUN   certification 310-090   310-090 examen

NO.18 Place the expertise on its associated EJB role.
Answer:

NO.19 Which method can be found in BOTH the EJBHome and EJBLocalHome interface?
A. getHomeHandle()
B. getEJBMetaData()
C. remove(Handle handle)
D. remove(Object primaryKey)
Answer: D

SUN examen   310-090 examen   310-090 examen

NO.20 What are two programming restrictions in the EJB 2.0 specification? (Choose two.)
A. An enterprise bean must not declare static fields as final .
B. An enterprise bean must not attempt to load a native library.
C. An enterprise bean must not attempt to create a new security manager.
D. An enterprise bean must not propagate a RuntimeException to the container.
E. An enterprise bean must not attempt to obtain a javax.naming.InitialContext .
Answer: B C

SUN   310-090   310-090 examen   310-090   certification 310-090   310-090

NO.21 Which accurately describes a characteristic of EJB 2.0?
A. EJB 2.0 is an example of a web-based component model.
B. EJB 2.0 components must be directly accessible via HTTP.
C. EJB 2.0 is an example of a component model for GUI applications.
D. EJB 2.0 applications can link to legacy systems using a J2EE connector.
Answer: D

certification SUN   310-090   310-090 examen   310-090 examen   310-090 examen

NO.22 Which two actions could adversely affect the portability of an EJB 2.0 bean? (Choose two.)
A. changing a thread's priority
B. directly reading or writing a file descriptor
C. using java.net.Socket to be a network client
D. demarcating a transaction in a stateless session bean
E. using bean-managed transactions in a message-driven bean
Answer: A B

SUN   310-090   310-090 examen

NO.23 Which two must be in an ejb-jar file, either by inclusion or reference? (Choose two.)
A. an enterprise archive (.ear) file
B. a deployment descriptor in the format defined by the EJB 2.0 specification
C. the class files for the classes that implement the home and remote interfaces
D. the class files for the interfaces and superinterfaces used by the bean, except J2SE or J2EE interfaces
E. the class files for the stub classes of the EJBHome andEJBObject interfaces, if remote interfaces are
deployed for the bean
Answer: B D

SUN   310-090   certification 310-090   310-090

NO.24 Given:
Which EJB role is responsible for supplying this information?
A. Deployer
B. Bean Provider
C. Container Provider
D. System Administrator
E. Application Assembler
Answer: E

SUN examen   310-090 examen   certification 310-090   310-090 examen

NO.25 Which is a feature of EJB 2.0?
A. It provides synchronous message handling through message driven beans.
B. It provides support for both local and remote client views for session beans.
C. It provides support for both local and remote client views for message driven beans.
D. It guarantees that all services represented by an object will have conversational state.
Answer: B

SUN examen   310-090   310-090

NO.26 Which method from javax.ejb.EJBContext returns an object that allows a Bean Provider to demarcate
transactions?
A. begin()
B. getAutoCommit()
C. getTransaction()
D. beginTransaction()
E. getUserTransaction()
Answer: E

SUN examen   310-090   310-090 examen   310-090   310-090

NO.27 What is true about using java.net.Socket and java.net.ServerSocket within session bean business
methods?
A. Both classes can be used.
B. Neither class can be used.
C. Of the two classes, only java.net.Socket can be used.
D. Of the two classes, only java.net.ServerSocket can be used.
Answer: C

SUN examen   310-090 examen   certification 310-090   310-090 examen

NO.28 Who must ensure that a bean's environment entries are set to meaningful values?
A. Deployer
B. Bean Provider
C. EJB Server Provider
D. System Administrator
E. Application Assembler
F. EJB Container Provider
Answer: A

SUN   310-090   310-090 examen   certification 310-090

NO.29 What two statements are true about EJB 2.0 container crashes? (Choose two.)
A. Entities will survive.
B. An entity bean's primary key will survive.
C. Message-driven bean instances will survive.
D. Stateful session bean instances will survive.
E. Crashes are guaranteed to be transparent to clients using entity beans.
Answer: A B

SUN examen   310-090 examen   certification 310-090   310-090 examen

NO.30 Which statement about EJB QL is true?
A. An EJB QL query must contain the ORDER BY clause.
B. An EJB QL query is statically defined in the ejb-jar.xml deployment descriptor.
C. Duplicate values are always removed from EJB QL query results by the container.
D. It is legal to use an input parameter in the FROM clause or the SELECT clause of an EJB QL query.
Answer: B

SUN examen   310-090   310-090   310-090   certification 310-090

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SUN 310-090, de formation et d'essai

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Code d'Examen: 310-090
Nom d'Examen: SUN (Sun Certified Business Component Developer for J2EE 1.3)
Questions et réponses: 409 Q&As

310-090 Démo gratuit à télécharger: http://www.pass4test.fr/310-090.html

NO.1 Which method can be found in BOTH the EJBHome and EJBLocalHome interface?
A. getHomeHandle()
B. getEJBMetaData()
C. remove(Handle handle)
D. remove(Object primaryKey)
Answer: D

SUN   310-090   certification 310-090   310-090   310-090 examen

NO.2 Which is a feature of EJB 2.0?
A. It provides synchronous message handling through message driven beans.
B. It provides support for both local and remote client views for session beans.
C. It provides support for both local and remote client views for message driven beans.
D. It guarantees that all services represented by an object will have conversational state.
Answer: B

SUN examen   certification 310-090   310-090   certification 310-090

NO.3 Which two are valid types for persistent fields in a CMP 2.0 entity bean? (Choose two.)
A. Java primitives
B. entity bean local interfaces
C. classes implementing java.io.Serializable
D. either java.util.Collection or java.util.Set
Answer: A C

certification SUN   certification 310-090   310-090 examen   certification 310-090

NO.4 Label the methods according to whether the container ensures that the identity of the associated
entity object is available or unavailable to the instance during the method.
Answer:

NO.5 What are two programming restrictions in the EJB 2.0 specification? (Choose two.)
A. An enterprise bean must not declare static fields as final .
B. An enterprise bean must not attempt to load a native library.
C. An enterprise bean must not attempt to create a new security manager.
D. An enterprise bean must not propagate a RuntimeException to the container.
E. An enterprise bean must not attempt to obtain a javax.naming.InitialContext .
Answer: B C

SUN examen   310-090   certification 310-090

NO.6 Which transaction attribute may cause a javax.transaction.TransactionRequiredException to be
thrown?
A. Required
B. Supports
C. Mandatory
D. RequiresNew
Answer: C

SUN   certification 310-090   310-090 examen   certification 310-090

NO.7 Which two must a Bean Provider avoid in an enterprise bean to ensure that the bean is portable to
any compliant EJB 2.0 container? (Choose two.)
(Assume that all reference variables have been correctly and legally initialized.)
A. java.sql.Connection c = aDataSource.getConnection();
B. java.security.Principal p = context.getCallerPrincipal();
C. QueueSession q = aQueueConnection.createQueueSession(true, 0);
D. Object o = new Object();
Object o2 = o.getClass().getClassLoader();
E. java.io.FileInputStream fs = new java.io.FileInputStream("MyFile");
Answer: D E

SUN   310-090 examen   310-090

NO.8 Which two statements about a client's reference to a session bean's remote home interface are true?
(Choose two.)
A. The reference can be passed as a method argument.
B. The reference provides the client with the IP address of the bean instance.
C. The reference provides the client with access to at least one create method.
D. A new home reference must be obtained for each new reference to a remote component interface.
Answer: A C

SUN   certification 310-090   310-090 examen   310-090

NO.9 Which two must be in an ejb-jar file, either by inclusion or reference? (Choose two.)
A. an enterprise archive (.ear) file
B. a deployment descriptor in the format defined by the EJB 2.0 specification
C. the class files for the classes that implement the home and remote interfaces
D. the class files for the interfaces and superinterfaces used by the bean, except J2SE or J2EE interfaces
E. the class files for the stub classes of the EJBHome andEJBObject interfaces, if remote interfaces are
deployed for the bean
Answer: B D

certification SUN   310-090 examen   certification 310-090   310-090

NO.10 Which two are required to properly implement a CMP entity bean class? (Choose two.)
A. Declare variables for all persistent fields.
B. Provide constructors to initialize the CMP fields.
C. Do not implement the ejbFind<METHOD> methods.
D. Provide implementation code for get and set methods to store and retrieve the persistent fields.
E. Implement ejbCreate<METHOD> methods for all home interface create<METHOD> methods.
Answer: C E

SUN   310-090   certification 310-090   310-090   310-090 examen

NO.11 Which is a capability guaranteed by all EJB 2.0 containers?
A. JTA support
B. server failover
C. load balancing
D. servlet support
E. server clustering
Answer: A

SUN examen   certification 310-090   310-090 examen   310-090

NO.12 Place the expertise on its associated EJB role.
Answer:

NO.13 What two statements are true about EJB 2.0 container crashes? (Choose two.)
A. Entities will survive.
B. An entity bean's primary key will survive.
C. Message-driven bean instances will survive.
D. Stateful session bean instances will survive.
E. Crashes are guaranteed to be transparent to clients using entity beans.
Answer: A B

SUN examen   310-090   310-090   310-090

NO.14 Which two are guaranteed to a Bean Provider using an EJB 2.0 container? (Choose two.)
A. access to the JCE API
B. access to JavaMail API
C. access to the JXTA API
D. access to the JAXP API
Answer: B D

SUN examen   310-090   310-090   310-090 examen

NO.15 Which feature is mandatory for an EJB 2.0 compliant container?
A. JMX support
B. JVM co-resident JSPs
C. deferred database writes
D. lazy loading of entity bean data
E. client principal caller propagation
Answer: E

SUN   310-090   310-090   310-090 examen   310-090

NO.16 Given:
Which two elements must be included in the <resource-ref> tag? (Choose two.)
A. <res-type>
B. <res-ref-name>
C. <resource-env-ref>
D. <environment-resource>
Answer: A B

SUN   certification 310-090   310-090 examen   310-090   310-090

NO.17 Which two statements are true? (Choose two.)
A. The EJB container must not allow the same enterprise bean to be deployed multiple times.
B. The EJB container must allow IIOP invocations on remote component and home interfaces.
C. The EJB container is not required to support publishing home references in a CORBA CosNaming
service.
D. The EJB container must implement the resource manager connection factory classes for resource
managers configured with the container.
E. The EJB container must allow enterprise beans deployed in the same enterprise archive to access one
another directly without having to go through home or remote interfaces.
Answer: B D

SUN examen   310-090   certification 310-090

NO.18 Which two actions could adversely affect the portability of an EJB 2.0 bean? (Choose two.)
A. changing a thread's priority
B. directly reading or writing a file descriptor
C. using java.net.Socket to be a network client
D. demarcating a transaction in a stateless session bean
E. using bean-managed transactions in a message-driven bean
Answer: A B

certification SUN   certification 310-090   310-090 examen   310-090   310-090

NO.19 Which two must a Bean Provider supply for each enterprise bean in the deployment descriptor?
(Choose two.)
A. security roles
B. the JNDI name of the enterprise bean
C. the enterprise bean type: session, entity, or message-driven
D. the value of the transaction attributes for the home and component interface methods
E. the fully-qualified name of the class that implements the enterprise bean's business methods
Answer: C E

SUN examen   310-090   310-090 examen   310-090 examen   310-090

NO.20 Which statement about EJB QL is true?
A. An EJB QL query must contain the ORDER BY clause.
B. An EJB QL query is statically defined in the ejb-jar.xml deployment descriptor.
C. Duplicate values are always removed from EJB QL query results by the container.
D. It is legal to use an input parameter in the FROM clause or the SELECT clause of an EJB QL query.
Answer: B

SUN   310-090   310-090   certification 310-090   310-090 examen

NO.21 Which accurately describes a characteristic of EJB 2.0?
A. EJB 2.0 is an example of a web-based component model.
B. EJB 2.0 components must be directly accessible via HTTP.
C. EJB 2.0 is an example of a component model for GUI applications.
D. EJB 2.0 applications can link to legacy systems using a J2EE connector.
Answer: D

SUN examen   310-090   310-090   310-090

NO.22 Which method from javax.ejb.EJBContext returns an object that allows a Bean Provider to demarcate
transactions?
A. begin()
B. getAutoCommit()
C. getTransaction()
D. beginTransaction()
E. getUserTransaction()
Answer: E

SUN   certification 310-090   certification 310-090

NO.23 What is true about using java.net.Socket and java.net.ServerSocket within session bean business
methods?
A. Both classes can be used.
B. Neither class can be used.
C. Of the two classes, only java.net.Socket can be used.
D. Of the two classes, only java.net.ServerSocket can be used.
Answer: C

SUN   310-090 examen   310-090   310-090

NO.24 Which exception can be thrown by the findByPrimaryKey method of a remotely called entity bean using
container-managed persistence?
A. javax.ejb.EJBException
B. javax.ejb.DuplicateKeyException
C. javax.ejb.NoSuchEntityException
D. javax.ejb.ObjectNotFoundException
Answer: D

SUN   310-090 examen   310-090

NO.25 Which is a Bean Provider's security-related responsibility?
A. assigns principals to roles in the application server
B. declares the role-link element in the deployment descriptor
C. declares the security-role element in the deployment descriptor
D. declares the security-role-ref element in the deployment descriptor
Answer: D

certification SUN   310-090   certification 310-090   310-090   certification 310-090

NO.26 Given:
Which EJB role is responsible for supplying this information?
A. Deployer
B. Bean Provider
C. Container Provider
D. System Administrator
E. Application Assembler
Answer: E

SUN   310-090   310-090   certification 310-090

NO.27 Who must ensure that a bean's environment entries are set to meaningful values?
A. Deployer
B. Bean Provider
C. EJB Server Provider
D. System Administrator
E. Application Assembler
F. EJB Container Provider
Answer: A

SUN   310-090   310-090

NO.28 Which statement is true about a session bean's lifecycle?
A. Session beans cannot receive re-entrant loopback calls.
B. A stateless session bean's home interface can have overloaded create methods.
C. Stateless session beans can implement javax.ejb.SessionSynchronization.
D. The EJB 2.0 container can make concurrent calls to any stateful session bean instance.
Answer: A

certification SUN   certification 310-090   310-090

NO.29 Which two APIs are provided to the Bean Provider by an EJB 2.0 container? (Choose two.)
A. JTA
B. JMX
C. JSP
D. JDO
E. JAXP
Answer: A E

certification SUN   310-090   310-090 examen   310-090 examen

NO.30 Click the Exhibit button.
All beans involved use container-managed transactions and all methods are marked as Required. At
runtime, methodB is unable to communicate with its resource and calls the setRollbackOnly method.
What is the result?
A. JMS message redelivery semantics will apply.
B. The rollback will propagate to the sender of the message.
C. The bean's onMessage method will reattempt the sequence.
D. Transactions started by the onMessage method will always commit.
Answer: A

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Code d'Examen: 310-502

Nom d'Examen: SUN (Sun Certified JCAPS Integrator)

Questions et réponses: 60 Q&As

Code d'Examen: 310-015

Nom d'Examen: SUN (SUN Certified SYSTEM ADMINISTRATOR FOR SOLARIS 9 PART II)

Questions et réponses: 299 Q&As

Code d'Examen: 310-090

Nom d'Examen: SUN (Sun Certified Business Component Developer for J2EE 1.3)

Questions et réponses: 409 Q&As

Code d'Examen: 310-081

Nom d'Examen: SUN (Sun Certified Web Component Developer for J2EE 1.4)

Questions et réponses: 140 Q&As

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NO.1 Given:
Which code snippet inserted at line 12 causes the client to redirect to http://www.example.com?
A.response.sendRedirect("http://www.example.com");
B.response.sendRedirect(new URL("http://www.example.com"));
C.RequestDispatcher rd =
getServletContext().getRequestDispatcher(
"http://www.example.com");
rd.forward(request, response);
D.RequestDispatcher rd =
Answer: A

SUN   310-081 examen   310-081 examen   310-081

NO.2 Given a servlet mapped to /control, place the correct URI segment returned as a String on the
corresponding HttpServletRequest method call for the URI: /myapp/control/processorder.

NO.3 Place the XML elements in the web application deployment descriptor solution to configure a servlet
context event listener named com.example.MyListener.
Answer:

NO.4 Which HTTP method has the characteristic that multiple identical requests may produce side effects
beyond those of a single request?
A.PUT
B.GET
C.INFO
D.POST
E.HEAD
F.TRACE
Answer: D

SUN examen   310-081 examen   310-081 examen   310-081

NO.5 Given an HttpServletRequest request and HttpServletResponse response, which sets a cookie
"username" with the value "joe" in a servlet?
A.request.addCookie("username", "joe")
B.request.setCookie("username", "joe")
C.response.addCookie("username", "joe")
D.request.addHeader(new Cookie("username", "joe"))
E.request.addCookie(new Cookie("username", "joe"))
F.response.addCookie(new Cookie("username", "joe"))
G.response.addHeader(new Cookie("username", "joe"))
Answer: F

certification SUN   310-081   310-081   310-081 examen   310-081

NO.6 Which two prevent a servlet from handling requests? (Choose two.)
A.The servlet's init method returns a non-zero status.
B.The servlet's init method throws a ServletException.
C.The servlet's init method sets the ServletResponse's content length to 0.
D.The servlet's init method sets the ServletResponse's content type to null.
E.The servlet's init method does NOT return within a time period defined by the servlet container.
Answer: BE

certification SUN   310-081   310-081   310-081   certification 310-081   310-081

NO.7 Which three are valid URL mappings to a servlet in a web deployment descriptor? (Choose three.)
A.*/*
B./*.do
C.MyServlet
D./MyServlet
E./MyServlet/*
F.MyServlet/*.jsp
Answer: BDE

certification SUN   certification 310-081   310-081   310-081 examen   310-081

NO.8 For a given ServletResponse response, which retrieves an object for writing binary data?
A.response.getWriter()
B.response.getOutputStream()
C.response.getOutputWriter()
D.response.getWriter().getOutputStream()
E.response.getWriter(Writer.OUTPUT_BINARY)
Answer: B

SUN   certification 310-081   310-081

NO.9 Given an HttpServletRequest request, which retrieves an object of type Account with an ID of
"account"?
A.Account account = request.getResource("account");
B.Account account = request.getAttribute("account");
C.Account account = request.getParameter("account");
D.Account account = (Account)request.getResource("account");
E.Account account = (Account)request.getAttribute("account");
F.Account account = (Account)request.getParameter("account");
Answer: E

SUN   certification 310-081   certification 310-081   310-081   310-081

NO.10 For a given ServletResponse response, which two retrieve an object for writing text data? (Choose
two.)
A.response.getWriter()
B.response.getOutputStream()
C.response.getOutputWriter()
D.response.getWriter().getOutputStream()
E.response.getWriter(Writer.OUTPUT_TEXT)
lled with the attribute skip-body=true.
Answer: AB

certification SUN   310-081   310-081

NO.11 For an HttpServletResponse response, which two create a custom header? (Choose two.)
A.response.setHeader("X-MyHeader", "34");
B.response.addHeader("X-MyHeader", "34");
C.response.setHeader(new HttpHeader("X-MyHeader", "34"));
D.response.addHeader(new HttpHeader("X-MyHeader", "34"));
E.response.addHeader(new ServletHeader("X-MyHeader", "34"));
F.response.setHeader(new ServletHeader("X-MyHeader", "34"));
Answer: AB

SUN   310-081   310-081   certification 310-081   certification 310-081

NO.12 Place the code snippets onto the first line to form a directive to use a custom tag library in a JSP page.
Answer:

NO.13 Under what two circumstances is the setJspBody method NOT called in a tag class that implements the
SimpleTag interface? (Choose two.)
A.The tag is invoked without a body.
B.The doTag method throws an exception.
C.The element has the value empty.
D.The tag is called with the attribute skip-body=true.
Answer: AC

SUN examen   certification 310-081   310-081

NO.14 Place the code snippets in the proper order to construct the JSP code to include dynamic content into
a JSP page at request-time.
Answer:

NO.15 Given a request from mybox.example.com, with an IP address of 10.0.1.11 on port 33086, place the
appropriate ServletRequest methods onto their corresponding return values.

NO.16 A developer wants to use EL to invoke a function using ${my:bloof("foof")}.
Which is always true?
A.The method invoked by this function must be static.
B.The function class must implement the Function interface.
C.The expression is NOT a valid EL expression for invoking a function.
D.The function must be declared in a web.xml file using the <function> element.
E.The function class must have a method with the signature:
Answer: A

certification SUN   certification 310-081   310-081 examen   310-081   310-081 examen

NO.17 Which retrieves all cookies sent in a given HttpServletRequest request?
A.request.getCookies()
B.request.getAttributes()
C.request.getSession().getCookies()
D.request.getSession().getAttributes()
Answer: A

SUN   certification 310-081   310-081   310-081

NO.18 Place the events in the order they occur.
Answer:

NO.19 Given a servlet OrderServlet mapped to processorder, and a form declaration in HTML:
What OrderServlet method is invoked as a result of this form submission?
A.doGet
B.doPut
C.doPost
D.doTrace
E.doSubmit
Answer: A

SUN   310-081   310-081 examen

NO.20 A collection of products is stored in the ServletContext in an attribute called catalog.
Which JSTL code structure iterates over each product in the collection and prints out the names of the
products in an un-ordered list?
A.<ul>
<c:for var='product' items='${catalog}'>
<li><%= product.getName() %></li>
</c:for>
</ul>
B.<ul>
<c:for id='product' collection='${catalog}'>
<li><%= product.getName() %></li>
</c:for>
</ul>
C.<ul>
<c:forEach var='product' items='${catalog}'>
<li><%= product.getName() %></li>
</c:forEach>
</ul>
D.<ul>
<c:forEach id='product' collection='${catalog}'>
<li><%= product.getName() %></li>
</c:forEach>
</ul>
Answer: C

SUN   310-081   310-081 examen   certification 310-081

NO.21 A web resource called foo.jsp requires two request parameters (P1 and P2). Construct the JSP code
to forward to the foo.jsp resource.
Answer:

NO.22 Given:
Which retrieves the binary input stream on line 13?
A.request.getWriter();
B.request.getReader();
C.request.getInputStream();
D.request.getResourceAsStream();
E.request.getResourceAsStream(ServletRequest.REQUEST);
Answer: C

SUN examen   310-081   310-081   310-081   310-081 examen

NO.23 Given:
Which two are true? (Choose two.)
A.The foo initialization parameter CANNOT be set programmatically.
B.Compilation fails because getInitParameter returns type Object.
C.The foo initialization parameter is NOT a servlet initialization parameter.
D.Compilation fails because ServletContext does NOT have a getInitParameter method.
E.The foo parameter must be defined within the <servlet> element of the deployment descriptor.
F.The foo initialization parameter can also be retrieved using getServletConfig().getInitParameter("foo").
Answer: AC

SUN   certification 310-081   certification 310-081   310-081

NO.24 Click the Exhibit button.
Which statement, inserted at line 11, retrieves the text from the second text field?
A.second = request.getParameter("foo");
B.second = request.getParameter("foo", 1);
C.second = request.getParameter("foo", 2);
D.second = request.getParameters("foo")[1];
E.second = request.getParameterValues("foo")[1];
Answer: E

certification SUN   310-081   310-081   310-081   certification 310-081

NO.25 Given a header in an HTTP request:
X-Retries: 4
Which two retrieve the value of the header from a given ServletRequest request? (Choose two.)
A.request.getHeader("X-Retries")
B.request.getIntHeader("X-Retries")
C.request.getRequestHeader("X-Retries")
D.request.getHeaders("X-Retries").get(0)
E.request.getRequestHeaders("X-Retries").get(0)
Answer: AB

SUN examen   310-081 examen   310-081 examen   310-081   310-081 examen   310-081

NO.26 Which two are characteristics of the Intercepting Filter pattern? (Choose two.)
A.It provides centralized request handling for incoming requests.
B.It forces resource authentication to be distributed across web components.
C.It reduces coupling between presentation-tier clients and underlying business services.
D.It can be added and removed unobtrusively, without requiring changes to existing code.
E.It allows preprocessing and postprocessing on the incoming requests and outgoing responses.
Answer: DE

certification SUN   310-081   310-081   310-081 examen

NO.27 Which HTTP method represents a request for information about the supported methods on an HTTP
server?
A.GET
B.INFO
C.HEAD
D.TRACE
E.OPTIONS
Answer: E

SUN   certification 310-081   certification 310-081   310-081

NO.28 Which two are valid values for the <transport-guarantee> element inside a <security-constraint>
element of a web application deployment descriptor? (Choose two.)
A.NULL
B.SECURE
C.INTEGRAL
D.ENCRYPTED
E.CONFIDENTIAL
Answer: CE

SUN   310-081 examen   310-081   310-081   310-081 examen

NO.29 Given the definition of MyObject and that an instance of MyObject is bound as a session attribute:
Which is true?
A.Only a single instance of MyObject may exist within a session.
B.The unbound method of the MyObject instance is called when the session to which it is bound times
out.
C.The com.example.MyObject must be declared as a servlet event listener in the web application
deployment descriptor.
D.The valueUnbound method of the MyObject instance is called when the session to which it is bound
times out.
Answer: D

SUN   310-081   310-081   310-081 examen   310-081

NO.30 Which two HTTP methods are used to process form data in a servlet? (Choose two.)
A.doGet
B.doPut
C.doPost
D.doTrace
E.doSubmit
F.doProcess
Answer: AC

certification SUN   certification 310-081   certification 310-081   certification 310-081