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Code d'Examen: 0B0-108
Nom d'Examen: BEA (System Administration Exam)
Questions et réponses: 70 Q&As

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NO.1 The default location for storing JMS persistent messages in WebLogic Server 9.x is:
A. Database Store using JDBC
B. WebLogic Persistent Store using a file
C. LDAP server using the embedded LDAP server
D. Remote server using t3 socket buffering
Answer: B

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NO.2 Scenario : You have made the decision to migrate all your operations onto WebLogic Server. An
application has been chosen from each department for the initial phase of migration one from each of
Sales, Marketing, Accounts, and Customer Service. The applications will be deployed as individual EAR
files to a cluster of WebLogic Server 9.x instances, each with a pool of connections to an Oracle 10g
database that provides corporate and departmental data services. The database team hopes to
upgrade the database to use Oracle RAC (Real Application Clusters) shortly, which will require you to
configure multiple sets of connections. Connectivity to the existing Service Engineer Dispatch system is
via a JMS message bridge. When a service engineer calls in with a report, a message is sent via JMS to
the Customer Service application deployed in WebLogic Server. The customer record in the Customer
Service database must be updated with details from the message. It is important that the message is
not lost because the call management system is not able to resend messages. To address this, the
Customer Service application is accessing a persistent JMS Queue using an XA compatible connection
factory.
The database team informs you that they have now implemented Oracle Real Application Clusters (RA for
the Customer Service database, and applications should connect to a second database node if the
primary node is unavailable. You set up a Multi Data Source in Failover mode, which is configured to
use two Data Sources PrimaryDS and SecondaryDS, each connecting to one Oracle RAC node.
WebLogic Server will fail over to SecondaryDS if a connection test to PrimaryDS fails. Under what other
condition will this happen by default (that is, with no additional options checke)?
A. If a connection to PrimaryDS is not released within Statement Timeout seconds.
B. If all the connections to PrimaryDS are in use.
C. If the administrator has suspended the PrimaryDS Data Source.
D. Failover will only occur if a connection test fails for a PrimaryDS connection.
Answer: C

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NO.3 Scenario : You have made the decision to migrate all your operations onto WebLogic Server. An
application has been chosen from each department for the initial phase of migration one from each of
Sales, Marketing, Accounts, and Customer Service. The applications will be deployed as individual EAR
files to a cluster of WebLogic Server 9.x instances, each with a pool of connections to an Oracle 10g
database that provides corporate and departmental data services. The database team hopes to
upgrade the database to use Oracle RAC (Real Application Clusters) shortly, which will require you to
configure multiple sets of connections. Connectivity to the existing Service Engineer Dispatch system is
via a JMS message bridge. When a service engineer calls in with a report, a message is sent via JMS to
the Customer Service application deployed in WebLogic Server. The customer record in the Customer
Service database must be updated with details from the message. It is important that the message is
not lost because the call management system is not able to resend messages. To address this, the
Customer Service application is accessing a persistent JMS Queue using an XA compatible connection
factory.
Before deploying it into the test environment, you review the configuration of the Sales department's
Enterprise Application, which is meant to contain a JDBC Application Module you are concerned that it
may not have been built correctly. Which of the following is not a requirement for JDBC modules?
A. It is contained in a file that ends in -jdbc.xml.
B. It includes an element that lists its targets.
C. It conforms to the weblogic-jdbc.xsd schema.
D. It includes a unique name element.
Answer: B

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NO.4 What are the four basic components of a JMS system-resource module in the config.xml in WebLogic
9.x?
A. Name, target, subdeployment, descriptor-file-name
B. Domain, jms-server, connection factory, destination
C. Config.xml, jms-module, subdeployment, descriptor-file-name
D. Name, jms-module, subdeployment, descriptor-file-name
Answer: A

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NO.5 Scenario : You have made the decision to migrate all your operations onto WebLogic Server. An
application has been chosen from each department for the initial phase of migration one from each of
Sales, Marketing, Accounts, and Customer Service. The applications will be deployed as individual EAR
files to a cluster of WebLogic Server 9.x instances, each with a pool of connections to an Oracle 10g
database that provides corporate and departmental data services. The database team hopes to
upgrade the database to use Oracle RAC (Real Application Clusters) shortly, which will require you to
configure multiple sets of connections. Connectivity to the existing Service Engineer Dispatch system is
via a JMS message bridge. When a service engineer calls in with a report, a message is sent via JMS to
the Customer Service application deployed in WebLogic Server. The customer record in the Customer
Service database must be updated with details from the message. It is important that the message is
not lost because the call management system is not able to resend messages. To address this, the
Customer Service application is accessing a persistent JMS Queue using an XA compatible connection
factory.
When starting WebLogic Server, the Marketing database is unavailable. Which of these Data Source
configuration options will ensure that the Marketing application can access its database once it becomes
available again?
A. Test Connections On Reserve
B. Test Frequency
C. Connection Creation Retry Frequency
D. Login Delay
E. Profile Connection Reservation Wait
Answer: C

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NO.6 Scenario : You have made the decision to migrate all your operations onto WebLogic Server. An
application has been chosen from each department for the initial phase of migration one from each of
Sales, Marketing, Accounts, and Customer Service. The applications will be deployed as individual EAR
files to a cluster of WebLogic Server 9.x instances, each with a pool of connections to an Oracle 10g
database that provides corporate and departmental data services. The database team hopes to
upgrade the database to use Oracle RAC (Real Application Clusters) shortly, which will require you to
configure multiple sets of connections. Connectivity to the existing Service Engineer Dispatch system is
via a JMS message bridge. When a service engineer calls in with a report, a message is sent via JMS to
the Customer Service application deployed in WebLogic Server. The customer record in the Customer
Service database must be updated with details from the message. It is important that the message is
not lost because the call management system is not able to resend messages. To address this, the
Customer Service application is accessing a persistent JMS Queue using an XA compatible connection
factory.
Before deploying it into the test environment, you review the configuration of the Sales department's
Enterprise Application, which is meant to contain a JDBC Application Module ?you are concerned that it
may not have been built correctly. Most of an application's deployment descriptors only reference the
JDBC module using a JNDI name. Which file listed below is the only one that refers directly to the JDBC
Application Module file?
A. config.xml
B. application.xml
C. weblogic-ejb-jar.xml
D. weblogic-application.xml
Answer: D

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NO.7 Scenario : The Stock Control Application you are going to deploy to a cluster of WebLogic Managed
Servers requires a JMS destination to asynchronously deliver the messages to the back-end
Warehousing Application. To distribute the messages across the cluster, you decided to configure the
distributed destination. Also the Warehousing Application is a legacy application written to implement a
proprietary MQ API connecting an MQ-Series server. The Stock Control Application is implemented as a
web application on a WebLogic cluster delivering the message to the distributed destination. The cluster
has three Managed Servers hosted on two high powered machines and one low range/powered machine.
To distribute the physical destinations unevenly across the clustered WebLogic Managed Servers so that
the high-powered machines can receive more messages than the low-powered machines, configure the
distributed destination with:
A. "Allocate Members Uniformly" set to false and manually select more physical destinations from the
high-powered machines
B. "Uneven Distribution" set to true and select all the physical destinations
C. "Uniform Distribute Destination" set to true and select all the physical destinations from the
high-powered and low- powered machines
D. "Load Balancing Policy" set to Random and select only the destination from the high-powered machine
Answer: A

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NO.8 WebLogic store-and-forward service is used for:
A. Storing and forwarding the configuration reliably to all the Managed Servers in a cluster
B. Storing log messages and forwarding them to the administration server for creating the Domain Log
C. Storing and delivering JMS messages reliably between applications across WebLogic Server 9.x
instances
D. Storing and forwarding EJB requests reliably to a back-end EJB cluster
Answer: C

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NO.9 When configuring JMS Modules using the WebLogic Administration Console or WLST, the module
information will be stored in:
A. <modulename> stanza in the weblogic-application.xml file.
B. <modulename> stanza in the config\config.xml file.
C. <domain>/config/jms/<modulename>-jms.xml file
D. <domain>/servers/<servername>/targets/jms/<modulename>_<servername>.xml
Answer: C

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NO.10 Scenario : You have made the decision to migrate all your operations onto WebLogic Server. An
application has been chosen from each department for the initial phase of migration one from each of
Sales, Marketing, Accounts, and Customer Service. The applications will be deployed as individual EAR
files to a cluster of WebLogic Server 9.x instances, each with a pool of connections to an Oracle 10g
database that provides corporate and departmental data services. The database team hopes to
upgrade the database to use Oracle RAC (Real Application Clusters) shortly, which will require you to
configure multiple sets of connections. Connectivity to the existing Service Engineer Dispatch system is
via a JMS message bridge. When a service engineer calls in with a report, a message is sent via JMS to
the Customer Service application deployed in WebLogic Server. The customer record in the Customer
Service database must be updated with details from the message. It is important that the message is
not lost because the call management system is not able to resend messages. To address this, the
Customer Service application is accessing a persistent JMS Queue using an XA compatible connection
factory.
In the future, each department will have its own schema within the Oracle database and the developers
are writing their code with this in mind. However, for now, it has been decided to store all data in a single,
company-wide schema. Which of the following approaches will make a future move to multiple schema
simple, while making the most efficient use of resources today?
A. Deploy an application-scoped Data Source module with each application.
B. Deploy a Data Source system module and assign it multiple JNDI names.
C. Deploy each department's application to its own WebLogic server.
D. Deploy a Data Source system module for each department's application.
Answer: B

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Code d'Examen: 0B0-109
Nom d'Examen: BEA (WebLogic Server 9)
Questions et réponses: 120 Q&As

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NO.1 Which of these session parameters would impact the performance of a Web Application?
i. InvalidationIntervalSecs
ii. TimeoutSecs
iii. CacheSize
A.i
B.ii, iii
C.i, ii, iii
D.i, ii
Answer: C

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NO.2 Consider the following code snippet.
Context ctx = new InitialContext(); DataSource ds = (DataSource)ctx.lookup("SomeDatasource");
Which of these statements gets a JDBC connection successfully?
A.Connection con = ds.createConnection();
B.Connection con = ds.getConnection();
C.Connection con = ds.retrieveConnection();
D.Connection con = ctx.getConnection();
Answer: B

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NO.3 Entity bean activation involves
A.EJB Container providing a primary key identity to a pooled EJB
B.EJB Container moves an EJB from secondary storage to main memory
C.EJB Container creates a new EJB instance and adds to the active pool
D.None of the above
Answer: A

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NO.4 If cookies are disabled on the client browser, which of these methods on the HttpServletResponse
object can help in rewriting the URL with a session ID?
A.session.encodeURL()
B.session.writeURL()
C.session.encodeSessionIDinURL()
D.session.encodeSessionID()
Answer: A

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NO.5 What is the JNDI name of the default queue used for configuring web service reliable messaging in
WebLogic server?
A.weblogic.wsee.DefaultQueue
B.weblogic.DefaultQueue
C.weblogic.wsee
D.wsee.DefaultQueue
Answer: A

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NO.6 What does a web service generate if an error occurs during the processing of a request?
A.A Java Exception
B.java.io.Exception
C.A SOAP Fault
D.None of the above
Answer: C

BEA   0B0-109   0B0-109

NO.7 A system exception is one that indicates that the business method of an EJB was prevented from
successfully executing because of some system-level error. Which of these statements is true about a
system exception?
A.It is a subclass of RemoteException or RuntimeException
B.It is propagated to clients as a RemoteException
C.It is caught and logged by the container
D.All of the above
Answer: D

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NO.8 When a Web service throws an exception, how does a client that makes use of a JAX-RPC stub
receive it?
A.As a RemoteException
B.As a SOAPFaultException
C.As a NullPointerException
D.As a WebServiceException
Answer: A

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NO.9 Which of these are valid descriptive sub-elements of a SOAP fault?
A.faultInteger
B.faultcode
C.faultstring
D.faultactor
Answer: BCD

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NO.10 Applications deployed with J2EE technologies are:
i. Deployable in any compliant application server
ii. Adherent to specification guidelines
iii. Written in Java
A.ii, iii
B.i, ii, iii
C.iii, i
D.i, ii
Answer: B

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NO.11 Transaction configuration can have a big impact on the performance of EJBs. Which of these
statements is true?
i. Too many fine-grain transactions generate excessive traffic to transaction and resource managers ii.
Too many coarse-grain transactions may block other clients accessing the same resources
A.i
B.ii
C.i, ii
D.None of the above
Answer: C

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NO.12 Which of these is the least performing EJB concurrency strategies?
A.Database
B.Exclusive
C.ReadOnly
D.Optimistic
Answer: B

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NO.13 Which of these strategies can improve performance of a Container Managed Entity EJB?
A.Avoiding Compound Keys
B.Field Groups
C.Choosing a proper concurrency strategy
D.All of the above
Answer: D

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NO.14 A container or application server can optimize performance by pooling EJBs that are considered to be
identical. Which or these parameters can be used to control the size of this EJB pool?
A.<max-beans-in-free-pool>
B.<max-beans-in-pool>
C.<beans-in-free-pool>
D.<max-beans-in-initial-pool>
Answer: A

BEA   0B0-109   0B0-109

NO.15 Which of these <trans-attribute> tags forces the EJB to be executed within a transaction started either
by the client or container?
A.Supports
B.Required
C.RequiresNew
D.Mandatory
Answer: B

BEA examen   0B0-109   0B0-109

NO.16 Which of the following statements are true about JMX?
A.It defines an infrastructure to manage a driver from native programs
B.It decouples the managed device from the management tools
C.MBeans are the building blocks of JMX
D.All of the above
Answer: BC

BEA   0B0-109   0B0-109   0B0-109   0B0-109 examen

NO.17 A reliable WebLogic web service provides which of the following delivery assurances?
A.AtLeastOnce
B.ExactlyOnce
C.MostlyOnce
D.AtMostOnce
Answer: AB

BEA examen   0B0-109   0B0-109   0B0-109 examen

NO.18 What is the command to create a new web application archive (.war) file?
A.jar -Mvf someArchive.war *
B.jar -tvf someArchive.war *
C.jar -vf someArchive.war *
D.jar -cvf someArchive.war *
Answer: D

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NO.19 When a reliable web service method is invoked asynchronously, which of these scenarios will happen?
A.The results will be sent back in the same reliable sequence as the method invocation
B.The results will be sent back in another reliable sequence
C.The results will not be sent in a reliable sequence
D.None of the above
Answer: B

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NO.20 Which of these statements is not true about Design Patterns?
A.They are a non-repeatable process or design addressing a specific issue or a problem in the
development of a system.
B.They are predictable in their function and are consistent in their pros and cons.
C.They are concepts that allow for a common method to quickly and effectively communicate complex
ideology to others.
D.They allow for the accelerated education of the concept for those new to it.
Answer: A

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Code d'Examen: 0B0-109

Nom d'Examen: BEA (WebLogic Server 9)

Questions et réponses: 120 Q&As

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NO.1 Which of these strategies can improve performance of a Container Managed Entity EJB?
A.Avoiding Compound Keys
B.Field Groups
C.Choosing a proper concurrency strategy
D.All of the above
Answer: D

BEA   0B0-109   0B0-109

NO.2 Consider the following code snippet.
Context ctx = new InitialContext(); DataSource ds = (DataSource)ctx.lookup("SomeDatasource");
Which of these statements gets a JDBC connection successfully?
A.Connection con = ds.createConnection();
B.Connection con = ds.getConnection();
C.Connection con = ds.retrieveConnection();
D.Connection con = ctx.getConnection();
Answer: B

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NO.3 A container or application server can optimize performance by pooling EJBs that are considered to be
identical. Which or these parameters can be used to control the size of this EJB pool?
A.<max-beans-in-free-pool>
B.<max-beans-in-pool>
C.<beans-in-free-pool>
D.<max-beans-in-initial-pool>
Answer: A

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NO.4 A system exception is one that indicates that the business method of an EJB was prevented from
successfully executing because of some system-level error. Which of these statements is true about a
system exception?
A.It is a subclass of RemoteException or RuntimeException
B.It is propagated to clients as a RemoteException
C.It is caught and logged by the container
D.All of the above
Answer: D

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NO.5 Which of these is the least performing EJB concurrency strategies?
A.Database
B.Exclusive
C.ReadOnly
D.Optimistic
Answer: B

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NO.6 Which of these <trans-attribute> tags forces the EJB to be executed within a transaction started either
by the client or container?
A.Supports
B.Required
C.RequiresNew
D.Mandatory
Answer: B

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NO.7 Which of these session parameters would impact the performance of a Web Application?
i. InvalidationIntervalSecs
ii. TimeoutSecs
iii. CacheSize
A.i
B.ii, iii
C.i, ii, iii
D.i, ii
Answer: C

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NO.8 When a reliable web service method is invoked asynchronously, which of these scenarios will happen?
A.The results will be sent back in the same reliable sequence as the method invocation
B.The results will be sent back in another reliable sequence
C.The results will not be sent in a reliable sequence
D.None of the above
Answer: B

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NO.9 If cookies are disabled on the client browser, which of these methods on the HttpServletResponse
object can help in rewriting the URL with a session ID?
A.session.encodeURL()
B.session.writeURL()
C.session.encodeSessionIDinURL()
D.session.encodeSessionID()
Answer: A

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NO.10 When a Web service throws an exception, how does a client that makes use of a JAX-RPC stub
receive it?
A.As a RemoteException
B.As a SOAPFaultException
C.As a NullPointerException
D.As a WebServiceException
Answer: A

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NO.11 What does a web service generate if an error occurs during the processing of a request?
A.A Java Exception
B.java.io.Exception
C.A SOAP Fault
D.None of the above
Answer: C

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NO.12 Which of the following statements are true about JMX?
A.It defines an infrastructure to manage a driver from native programs
B.It decouples the managed device from the management tools
C.MBeans are the building blocks of JMX
D.All of the above
Answer: BC

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NO.13 Which of these statements is not true about Design Patterns?
A.They are a non-repeatable process or design addressing a specific issue or a problem in the
development of a system.
B.They are predictable in their function and are consistent in their pros and cons.
C.They are concepts that allow for a common method to quickly and effectively communicate complex
ideology to others.
D.They allow for the accelerated education of the concept for those new to it.
Answer: A

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NO.14 Which of these are valid descriptive sub-elements of a SOAP fault?
A.faultInteger
B.faultcode
C.faultstring
D.faultactor
Answer: BCD

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NO.15 A reliable WebLogic web service provides which of the following delivery assurances?
A.AtLeastOnce
B.ExactlyOnce
C.MostlyOnce
D.AtMostOnce
Answer: AB

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NO.16 What is the command to create a new web application archive (.war) file?
A.jar -Mvf someArchive.war *
B.jar -tvf someArchive.war *
C.jar -vf someArchive.war *
D.jar -cvf someArchive.war *
Answer: D

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NO.17 Applications deployed with J2EE technologies are:
i. Deployable in any compliant application server
ii. Adherent to specification guidelines
iii. Written in Java
A.ii, iii
B.i, ii, iii
C.iii, i
D.i, ii
Answer: B

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NO.18 Entity bean activation involves
A.EJB Container providing a primary key identity to a pooled EJB
B.EJB Container moves an EJB from secondary storage to main memory
C.EJB Container creates a new EJB instance and adds to the active pool
D.None of the above
Answer: A

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NO.19 Transaction configuration can have a big impact on the performance of EJBs. Which of these
statements is true?
i. Too many fine-grain transactions generate excessive traffic to transaction and resource managers ii.
Too many coarse-grain transactions may block other clients accessing the same resources
A.i
B.ii
C.i, ii
D.None of the above
Answer: C

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NO.20 What is the JNDI name of the default queue used for configuring web service reliable messaging in
WebLogic server?
A.weblogic.wsee.DefaultQueue
B.weblogic.DefaultQueue
C.weblogic.wsee
D.wsee.DefaultQueue
Answer: A

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