bea systems 0b0-108

Exam : BEA Systems 0B0108

Title :

Update : Demo

BEA9 Certified

Administrator:System

Adminstration Exam

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1. 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,

companywide schema. Which of the following approaches will make a future move to multiple schema

simple, while making the most efficient use of resources today?

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A. Deploy an applicationscoped 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













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. weblogicejbjar.xml

D. weblogicapplication.xml

Answer: D

















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

















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

















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 weblogicjdbc.xsd schema.

D. It includes a unique name element.

Answer: B

6. WebLogic storeandforward 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 backend EJB cluster

Answer: C

7. When configuring JMS Modules using the WebLogic Administration Console or WLST, the module

information will be stored in:

A. <modulename> stanza in the weblogicapplication.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

8. 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

9. What are the four basic components of a JMS systemresource module in the config.xml in WebLogic





9.x?

A. Name, target, subdeployment, descriptorfilename

B. Domain, jmsserver, connection factory, destination

C. Config.xml, jmsmodule, subdeployment, descriptorfilename

D. Name, jmsmodule, subdeployment, descriptorfilename

Answer: A

10. 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 backend

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 MQSeries 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 highpowered machines can receive more messages than the lowpowered machines, configure the

distributed destination with:

A. "Allocate Members Uniformly" set to false and manually select more physical destinations from the

highpowered 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

highpowered and low powered machines

D. "Load Balancing Policy" set to Random and select only the destination from the highpowered machine

Answer: A

11. Given the following: wlst:/offline> configToScript() the generated WLST script, by default, will be

written to:

A. <base_domain>/config

B. <base_domain>/config/deployment





C. <base_domain>

D. <base_domain>/servers

Answer: A

12. During an upgrade process, which one of the following is NOT converted to 9.x by the upgrade

wizard?

A. User scripts

B. User file store persisted data

C. User tlog

D. User inflight transactions

Answer: A

13. Which one of the following does NOT depict the difference between production and development

mode in WebLogic Server 9.x?

A. When starting in development mode, log files are automatically rotated; in production mode, the log

files are rotated after reaching 500k.

B. The JDBC default connection in development is 15, in production, it is 25.

C. WLS automatically deploys applications in the domain_name/autodeploy directory; in production, there

is no auto deploy.

D. The default number of execute threads for the default queue in development is 15, in production is 25

Answer: D

14. What redeployment strategy is recommended to upgrade the web applications and enterprise

applications that demand uninterrupted client access and without changing the client's state information?

A. InPlace redeployment

B. Production redeployment

C. Partial redeployment of static files

D. Partial redeployment of J2EE modules

Answer: B





15. In a multiserver WebLogic domain, monitoring the JVM statistics showed frequent full garbage

collections (gc) on one of the server instances. Which one of the following would greatly reduce the

frequency of full gc's?

A. Increasing the young object space in the heap

B. Turning the verbosegc flag on

C. Adding more servers to the domain

D. Running more servers per machine

Answer: A

16. An application needs to be upgraded using the production redeployment strategy. Which of the

following is NOT a development requirement?

A. The application must use JNDI to look up data sources for JDBC.

B. The application must specify the version identifier.

C. The application must use EJB 2.0 instead of EJB 1.1 for containermanaged persistence.

D. The application must include a webservice module.

Answer: D

17. An application needs to be upgraded using the production redeployment strategy. Which of the

following are the deployment restrictions (Choose two)?

A. Deployment targets cannot be changed.

B. The security model cannot be changed.

C. A new application must be loaded from the same directory as the old application.

D. The version identifier must be specified in the application's MANIFEST.MF file.

Answer: AB

18. A single application needs to be deployed to multiple differing WebLogic server environments without

modifying the existing deployment descriptors. Which one of the following would help in reconfiguring the

application to be suitable for multiple environments?





A. Multiple J2EE deployment descriptors

B. Multiple WebLogicspecific deployment descriptors

C. Multiple deployment plans

D. Administration console

Answer: C

19. Which of the following must have exactly ONE provider configured?

A. Authentication provider

B. Adjudication provider

C. Authorization provider

D. Role Mapper provider

E. Keystore provider

Answer: B

20. What are the options available for configuring SSL in WebLogic Server? Select all that apply.

A. Client Certs Checked and Requested

B. Client Certs Requested But Not Enforced

C. Client Certs Not Checked

D. Client Certs Not Requested

Answer: BD

21. Assuming that the Administration Port is enabled, which of the following statements are true?

A. Managed Servers must connect to the Administration Server through the administration port.

B. All the Managed Servers and Administration Servers must be configured for SSL protocol.

C. HTTP Session Replication between two Managed Servers will use the administration port.

D. The Administration Console will still be available using the HTTP normal listen port.

Answer: AB

22. Which statement is true about SSL configuration?





A. SSL can be configured only at the domain level. All the servers in that domain use same SSL

configuration.

B. SSL can be configured at the server level. All the servers in the domain can be configured to use their

own SSL settings.

C. SSL can be configured at the cluster level. All the servers that are part of the clusters use the same

SSL configuration.

D. Once you configure SSL, the normal listen port will be disabled and cannot be used while the SSL port

is enabled.

Answer: B

23. Which statement is NOT true about restarting the Managed Servers?

A. Node Manager can start the Managed Server process which was killed via the "ctr+c"or "kill 9

<pid>"commands.

B. Node Manager can only restart a server that was started via Node Manager.

C. Node Manager can restart the Managed Server in Managed Server Independence (MSI) mode.

D. By default, Node Manager automatically restarts the Managed Server instance under its control that

failed.

Answer: A

24. Which of the following options are true if a Server is in ADMIN state? Choose two.

A. Deployment or redeployment is not allowed.

B. It can detect that the other members of the cluster have joined the cluster but it is not available to the

other cluster members.

C. The server instance accepts the request only from the users with the "admin"role.

D. The server instance in this mode can be transitioned to the SUSPENDING or FAILED state.

E. Administrative operations cannot be performed on the subsystems.

Answer: BC

25. Which one is true for the Javabased Node Manager?





A. Node Manager process is associated with the specific WebLogic domain.

B. Node Manager cannot start the admin server.

C. Node Manager on one machine can start multiple Managed Servers on different machines.

D. Node Manager on one machine can start multiple Managed Servers on the same machine.

E. Node Manager can start only one Managed Server per machine.

Answer: D

26. How can you access the Node Manager to start and stop Managed Servers? Select three from the

following options that are true.

A. Administration console

B. Node Manager's console

C. JMX utilities with Admin Server running

D. WebLogic Scripting Tool commands

E. Managed Server's console

Answer: ACD

27. With regard to the "external_stage" staging mode, which of the following is false?

A. It is similar to the "stage" mode since target servers deploy using local copies of the deployment files.

B. The Administration Server copies the deployment files to the targeted servers.

C. It is generally used only in environments that are managed by thirdparty tools.

D. It is used for deployments that do not require the dynamic update of selected Deployment Descriptors

via the Administration Console.

E. It is used only in environments that are managed by thirdparty tools that automate the required

copying of files.

Answer: B

28. Which statement is true about the following weblogic.Deployer command?

java weblogic.Deployeradminurl http://localhost:700 user weblogic

password weblogic deploy name testAppDeployment





source /privateDeployments/sampleApp/app/sampleApp.ear

targets sampleCluster stage

plan /privateDeployments/sampleApp/plan/plan.xml

A. When you deploy or distribute an application with a deployment plan, only the generated deployment

descriptors are copied to the staging

directories of target servers along with the application source files.

B. If you are deploying from an application root directory and the deployment plan is located in the /plan

subdirectory, you need to identify both

the actual deployment source files as well as the plan to use for deployment.

C. When copying files to the staging directory, the Administration Server creates a subdirectory with the

name "sampleApp."

D. The weblogic.Deployer can have a deployment plan that defines null variables for an application's

required resource bindings.

Answer: B

29. Which of the following is false regarding autodeployment?

A. If autodeployment is enabled, when an application is copied into the /autodeploy directory of the

Administration Server, the Administration Server detects the presence of the new application and deploys

it automatically.

B. If you delete application files from the /autodeploy directory when the server is not active, WebLogic

Server will still detect that the application files were deleted even when the server is again in an active

state.

C. When you switch from the development mode to production mode, any applications that were

previously deployed via the /autodeploy directory remain deployed; if you wish to undeploy or redeploy

such applications after you have switched to production mode, you must undeploy or redeploy them

manually.

D. When an application has been autodeployed in the exploded archive format, the Administration Server

periodically looks for a file named REDEPLOY in the exploded application directory. If the timestamp on

this file changes, the Administration Server redeploys the exploded directory.





E. Production mode disables the autodeployment feature and prevents any applications you place in the

/autodeploy directory after you switch to production mode from being deployed.

Answer: B

30. A domain configuration has been transferred from an old development server to a new machine. It

had been hoped that the domain files could just be transferred from one machine to another, but it is now

understood that certain parameters are dependent on the local configuration. The Listen Address for the

admin server is not valid for the new machine and needs to be changed before the admin server can be

started. You start WLST in offline mode to rectify the problem. Which WLST command will give you

access to the current configuration, so that you can make the change?

A. connect

B. loadDomain

C. readDomain

D. loadProperties

Answer: C




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