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IBM WebSphere Operational Decision Management V8.0 Application Development Sample Questions:

1. An application developer just activated Decision Warehouse for a ruleset deployed to Rule Execution Server. The ruleset has a Business Object Model (BOM) class com.test.Customer with two large properties: Customer.largeString1 and Customer.largeString2. Activating Decision Warehouse resulted in a decrease in ruleset execution performance. How can the application developer reduce the BOM serialization performance impact and retain the ability to search input and output parameters on the Decision Warehouse tab of the Rule Execution Server Console?

A) Set the monitoring.inout.filters property to Customer.largeString1,Customer.largeString2.
B) Set the monitoring.filters property to Customer.largeString1,Customer.largeString2.
C) Set the monitoring.inout.filters property to INFO_WORKING_MEMORY=true,WORKING_MEMORY_FILTER=com.test.Customer.
D) Set the ruleset.bom.enabled property to false and in Customer.toString() return a value containing Customer.largeString1 and Customer.largeString2

2. The Java method Customer.getLastOrderAmt() is verbalized as last order amt} of {this}? and returns the amount of the last customer order. The rule authors decided that ?amt? should be spelled out as ?amount? in rule artifacts. Many rule artifacts already exist using the ?amt? abbreviation. To address the new requirement, the application developer should:

A) use Alt+Shift+R from a rule editor to rename ?amt? to ?amount? and apply refactoring to the rule artifacts.
B) use a semantic query with an action to refactor the rule artifacts.
C) rename the Business Object Model (BOM) method and perform a BOM update to refactor the rule projects.
D) edit the subject used in the verbalization and apply refactoring to the rules.

3. An application developer is preparing to deploy the ruleset that uses a Java Execution Object Model (XOM) to a Java EE environment for remote access, using stateless rule sessions. What should the application developer do to ensure optimal execution performance?

A) Change the Execution Unit (XU) traceLevel property from WARNING to FINE on the application server.
B) In the ra.xml file, set the transaction-support property to LocalTransaction.
C) Disable Java 2 Security.
D) Set the ruleset property ruleset.sequential.trace.enabled to true.

4. The following user groups are in the Decision Center: ?Authors: can create rules and set the status to defined after authoring is complete ?Testers: can only view rules in defined status and change status to validated after testing is complete ?Deployers: can only view rules in validated status and change status to deployed ?Administrators: have all permissions What mechanism can the application developer use to implement the above governance policy?

A) Set up the user group permissions in Decision Center.
B) Implement a rule session interceptor in Decision Center.
C) Set up the user group permissions and implement a session controller in Decision Center.
D) Use the built-in Decision Center permission management.

5. A ruleset is deployed to Rule Execution Server and the rule administrators requested that Decision Warehouse be used to store trace information about ruleset executions. What should the application developer do to activate tracing on the already deployed ruleset?

A) Use the res-deploy Ant task with the correct parameters to enable tracing on the deployed ruleset.
B) Navigate to the ruleset within Rule Execution Server console and add the ruleset.trace.enabled property.
C) Tracing cannot be enabled without deploying the ruleset again with the monitoring.enabled ruleset property set to true.
D) Navigate to the ruleset within Rule Execution Server console and click the Show Monitoring Options to enable tracing.

Solutions: