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Question 1:

A customer claims that while redeploying a web application in the production system all their customers are having to log in again. What do you recommend?

A. Sessions can\’t be preserved when redeploying applications. The customer needs to consider redeployment during late nights when the traffic is low.

B. Change the flag responsible for the development mode of their environment. In the production mode, all sessions are preserved while redeploying application.

C. Change Hotspot to JRockit. Sessions can\’t be preserved on HotSpot when redeploying application.

D. Use flag -version when redeploying the application. This will switch on the Side By Side deployment feature and preserve existing sessions.

E. Open a service request with Oracle Support. This is unexpected behavior. Sessions are preserved without any extra settings.

Correct Answer: D

Restrictions on Production Redeployment Updates

WebLogic Server can host a maximum of two different versions of an application at one time.



When you redeploy a new version of an application, you cannot change: An application\’s deployment targets An application\’s security model A Web application\’s persistent store settings

To change any of the above features, you must first undeploy the active version of the application. Incorrect:


(not A)

Production redeployment enables you to update and redeploy an application in a production environment without stopping the application or otherwise interrupting the application\’s availability to clients. Production redeployment saves you the

trouble of scheduling application downtime, setting up redundant servers to host new application versions, manually managing client access to multiple application versions, and manually retiring older versions of an application.


(not C) Not dependant on whether the application is JRockit or Hotspot.


(not E)

The production redeployment strategy is supported for:

Standalone Web Application (WAR) modules and enterprise applications (EARs) whose clients access the application via a Web application (HTTP).

Enterprise applications that are accessed by inbound JMS messages from a global JMS destination, or from inbound JCA requests.

All types of Web Services, including conversational and reliable Web Services, but not 8.x Web Services.

Production redeployment is not supported for:

Standalone EJB or RAR modules. If you attempt to use production redeployment with such modules, WebLogic Server rejects the redeployment request. To redeploy such modules, remove their version identifiers and explicitly redeploy the


Applications that use JTS drivers. For more information on JDBC application module limitations, see JDBC Application Module Limitations in Configuring and Managing JDBC Data Sources for Oracle WebLogic Server.

Applications that obtain JDBC data sources via the DriverManager API; in order to use production redeployment, an application must instead use JNDI to look up data sources.

Applications that include EJB 1.1 container-managed persistence (CMP) EJBs. To use production redeployment with applications that include CMP EJBs, use EJB 2.x CMP instead of EJB 1.1 CMP.

Reference: Reference; Deploying Applications to Oracle WebLogic Server 12c, Redeploying Applications in a Production Environment

Question 2:

A common approach to solve application performance issues is to add more hardware. Which two reasons describe why this alone does not always solve performance problems?

A. There may be a bottleneck in the application that additional hardware would not solve.

B. Adding more hardware is costly and time consuming.

C. Adding hardware at the application layer may place additional load on an already overloaded database, network appliance, or storage system.

D. Adding more hardware may introduce new configuration requirements that need to be tested.

Correct Answer: AC

Question 3:

How can you configure High Availability for interacting with a non-Oracle database using WebLogic?

A. Configure multiple physical data sources and reuse the same JNDI name for each.

B. Use the “compatibility” option of Active GridLink to enable compatibility with non-Oracle databases.

C. Configure a single physical data source for each node in a database cluster and wrap it using Multi Data Source.

D. Configure a Data Source Group that contains a physical connection pool to each node in the database cluster.

Correct Answer: C



A multi data source can be thought of as a pool of data sources. Multi data sources are best used for failover or load balancing between nodes of a highly available database system, such as redundant databases or Oracle Real Application Clusters (Oracle RAC).


(not B) A single GridLink data source provides connectivity between WebLogic Server and an Oracle Database service, which may include multiple Oracle RAC clusters


High Availability Storage Solutions

If you have applications that need access to persistent stores that reside on remote machines after the migration of a JMS server or JTA transaction log, then you should implement one of the following highly- available storage solutions:

/ File-based stores (default or custom)–Implement a hardware solution, such as a dual-ported SCSI disk or Storage Area Network (SAN) to make a file store available from shareable disks or remote machines.

/ JDBC-accessible stores–Configure a JDBC store or JDBC TLOG store and use JDBC to access this store, which can be on yet another server. Applications can then take advantage of any high-availability or failover solutions offered by

your database vendor. In addition, JDBC stores support GridLink data sources and multi data sources, which provide failover between nodes of a highly available database system, such as Oracle Real Application Clusters (Oracle RAC).

Reference: Oracle Fusion Middleware Configuring Server Environments for Oracle WebLogic Server 12c, High Availability Storage Solutions

Question 4:

Identify the three processes that customers can choose for patching WebLogic Server.

A. Download patches from My Oracle Support and manage them using Smart Update.

B. Use Enterprise Manager to download patches from My Oracle Support and apply patches to WebLogic.

C. Download patches from My Oracle Support and manually modify the classpath of the application server (though it is not recommended).

D. Download patches from My Oracle Support and apply them using the WebLogic Admin Console.

E. Use the Admin Console to connect to My Oracle Support and download patches and then target them to the domain.

Correct Answer: ABC

A: Oracle Smart Update is a standalone Java application that is automatically installed in the Middleware home utils/bsu directory. Smart Update simplifies the process of applying patches to your WebLogic Server installation. When support makes a patch available for an installed version of WebLogic Server, you download the patch from My Oracle Support and then use Oracle Smart Update to apply it to your installation. Smart Update organizes all available updates for you, and has several features that allow a great deal of customizing in the way various patches are applied and managed in your environment.

B: As part of a new Enterprise Manager system, the installation wizard does the following:

* Oracle My Oracle Support Management Plug-In etc.

C: Applying patch from server start script:

After downloading the patch (jar file) follow the below steps:

-Stop your server.

– Then take the path of the folder which has the CRxxxxxx_xxxmpx.jar file and copy it in the CLASSPATH of setDomainEnv.cmd which is in


For example, the script would look something like this:


C:\extra\my_projects\doc\CR\CR218639_920mp3.jar;C:\extra\my_projects\doc \CR\ CR360676_920mp3.jar;C:\extra\my_projects\doc\CR\CR367966_920mp3.jar;

C:\extra\my_projects\doc\CR\CR368155_920mp3.jar;C:\extra\my_projects\doc\CR\CR370311_ 920mp3.jar

-Re-start your server.

-You should see the patch applied in the stdout file.

Question 5:

You want to migrate an application that was developed for OAS/OC4J to WebLogic. The application uses Oracle Streams Advanced Queuing (AQ). You configured a Foreign JMS Server and Data Source but you are not able to send messages to the AQ destination and see them reach the database. Which two things are missing in this configuration?

A. nothing, there may be a network connection issue

B. a Foreign JMS Connection Factory

C. a JMS Bridge to map the JNDI of the Local JMS Destination to the remote AQ destination

D. a mapping of the Foreign JMS Connection Factory to the Data Source where AQ is configured and installed.

E. Oracle AQ Java EE Shared Libraries not deployed and referenced by your application

Correct Answer: CE



A WebLogic Messaging Bridge communicates with the configured source and target bridge destinations. For each mapping of a source destination to a target destination, you must configure a messaging bridge instance. Each messaging bridge instance defines the source and target destination for the mapping, a message filtering selector, a QOS, transaction semantics, and various reconnection parameters.



In your JMS Foreign Server configuration:

/ Specify oracle.jms.AQjmsInitialContextFactory as the JNDI Initial Context Factory. / Configure the JDBC data sources needed for your application environment.