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

1. A Rule Project was developed in Rule Designer and is ready to be tested. To facilitate troubleshooting of ruleset executions using sample data, the application developer needs to build a custom test harness that embeds a native rule engine and uses the IlrRuleset and IlrContext API. What type of project should the application developer create?

A) Rule Project from Decision Center
B) Java Project for Rules
C) RuleApp Project
D) Client Project for RuleApps

2. Decision Center contains the following:
-Two rule projects: CorporateRiskAssessment and NewYorkRiskAssessment.
-One RuleApp RiskAssessmentRuleApp with a single ruleset CorporateRiskAssessmentRuleset.
An application developer needs to deploy the NewYorkRiskAssessment rule project to Rule
Execution Server as a separate ruleset. Updates to NewYorkRiskAssessment need to be
deployed in a single action with updates to CorporateRiskAssessment. How should the application
developer setup the RuleApp structure in Decision Center to accomplish these requirements?

A) Under Configure > Manage RuleApps, select RiskAssessmentRuleApp and click Edit to add the NewYorkRiskAssessmentRuleset ruleset.
B) Select the NewYorkRiskAssessment rule project on the Home tab, and under Project > Manage Subbranches and Baselines > Baselines, click New to add the NewYorkRiskAssessmentRuleset ruleset.
C) Under Configure > Manage RuleApps, click New to create a new NewYorkRiskAssessmentRuleset ruleset.
D) Under Configure > Manage RuleApps, click Deploy to add the NewYorkRiskAssessmentRuleset ruleset.

3. During development, a ruleset that determines the eligibility of an applicant is in the Risk Department's Decision Center repository. The architecture team decides to use the ruleset as a web service generated from a Rule Designer project wizard for other departments in the company to invoke. Which execution approach should the application developer use?

A) Monitored Transparent Decision Service (MTDS)
B) Hosted Transparent Decision Service with the InterceptorEnabled parameter set to false
C) Hosted Transparent Decision Service (HTDS)
D) Remote EJB Rule Session

4. CORRECT TEXT
Business users would like the output of a simulation run to be displayed as a pie chart. What should the application developer do to implement this requirement?

A) Create a custom JSP page that includes pie chart widget and repackage the Decision Center EAR file to include this JSP Page.
B) Implement the interface IlrScenarioSuiteResourcesRenderer and repackage the Decision Center EAR file to include this new class.
C) Implement the interface IlrKPIResultAggregator and repackage the Decision Center EAR file to include the new class.
D) Implement the interface IlrScenarioSuiteKPIRenderer and repackage the Decision Center EAR file to include this new class.

5. A company is running 20,000 rules in one ruleset and experiences latency during some ruleset executions. No hot deployments are used. After reviewing the execution traces, the application developer recognizes that the performance is affected by reparsing of the same ruleset after overnight inactivity. What should the application developer do to minimize the impact of ruleset parsing and speed up performance?

A) In the ra.xml file, set the pool.maxSize parameter to make sure that the number of active rulesets is greater than the size of the XU connection pool.
B) Set the ruleset property ruleset.maxIdleTime to 0 to ensure the ruleset is not removed from cache.
C) Make sure the cache is empty before the first ruleset is parsed.
D) In the ra.xml file, set the asynchronousRulesetParsing property to false to handle concurrent requests.

Solutions: