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IBM C9550-400 Exam Syllabus Topics:

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

Question 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. Restore the baseline so that it becomes the current state of the project so that the rule authors redo the appropriate rule changes.
D. Erase the current project and synchronize with Rule Designer to get the originally deployed rules.

Question 2

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. In the ra.xml file, set the asynchronousRulesetParsing property to false to handle concurrent requests.
C. Set the ruleset property ruleset.maxIdleTime to 0 to ensure the ruleset is not removed from cache.
D. Make sure the cache is empty before the first ruleset is parsed.

Question 3

An application developer is creating the enumeration LoanType in the Business Object Model (BOM). After creating a new class LoanType in the BOM using the BOM Editor, the application developer notices the following error: [B2X] Cannot find execution class ?LoanType? for translating business class ?LoanType? What should the application developer do to remove this error?

A. Specify LoanType as the execution class.
B. Import the java.lang.String class.
C. Specify java.lang.String as the execution class.
D. Specify java.lang.String as a super class.

Question 4

A ruleset contains one rule task that uses RetePlus execution mode, and one rule task that uses FastPath. For troubleshooting purposes, the application developer implements logging of the names of all the rules fired for every ruleset execution, using the API IlrSessionRequest.setTraceEnabled(true) and IlrSessionResponse.getRulesetExecutionTrace(). What property should the application developer also configure on the ruleset?

A. ruleset.sequential.trace.enabled = true
B. ruleset.bom.enabled = true
C. ruleset.optimization.enabled = false
D. ruleset.trace.enabled = true

Question 5

A ruleset for validating the content of a message including cross-field validation and business range checking is ready to be integrated into an architecture with only a JVM container. The application must have the capability of providing to and removing from working memory any number of objects without resetting the rule session. Which execution approach should the application developer choose for this application integration?

A. Java SE with stateful rule session
B. POJO with stateless rule session
C. POJO with stateful rule session
D. Java SE with stateless rule session

Solutions: