IBM 000-400 : IBM WebSphere Operational Decision Management V8.0 Application Development

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

1. After a company deploys their rules to production, a series of new business policies affect several of the deployed rules. The rule authors fix the rules, and the updated ruleset is deployed.
However, another business policy change makes some of the rule fixes incorrect and the original rules need to be reinstated. The rule authors ask for help from the application developer so that they do not lose their correct changes. What should the application developer do?

A) Unfreeze the deployment baseline so the rule authors can fix the rules again, and then redeploy the baseline.
B) Clone the deployment baseline to a branch, and use the Diff and Merge tool to select the correct rules to keep on the current branch of the project.
C) Erase the current project and synchronize with Rule Designer to get the originally deployed rules.
D) Restore the baseline so that it becomes the current state of the project so that the rule authors redo the appropriate rule changes.

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

3. The response time of Decision Center while browsing and editing rule artifacts is slow. What should the application developer do to improve the performance?

A) Augment the number of Business Object Model (BOM) entries and add more verbalizations.
B) Tune the JVM maximum heap size.
C) Use an Embedded Derby database.
D) Increase the Execution Unit (XU) connection pool size.

4. There is a RuleApp project called MyRuleApp present in an application developer's Rule Designer workspace. In addition, a ruleset interceptor com.example.MyRulesetInterceptor was implemented for the RuleApp and packaged in the relevant client EAR files. What does the application developer need to do to register the interceptor with Rule Execution Server?

A) Package the ruleset interceptor com.example.MyRulesetInterceptor inside the RuleApp.
B) Set the ruleapp.interceptor.classname property on the RuleApp to com.example.MyRulesetInterceptor.
C) Call the method beforeExecute() during the client code before the ruleset is executed.
D) Call the method setInterceptorEnabled() on the session request or session factory instances.

5. Rule authors need to select a city from a drop-down list of more than 1000 cities when editing the condition statement of a rule within Decision Center. An application developer decides to customize the user experience so that the rule authors can search for a city in a popup window. How should the application developer do this?

A) Create a value provider and integrate it into Decision Center.
B) Create a value descriptor and integrate it into Decision Center.
C) Create a custom business rule language and publish it to Decision Center.
D) Create a value editor and integrate it into Decision Center.

Solutions: