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IBM 000-400 Exam Syllabus Topics:

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

Question 1

The design team decided to populate a Business Object Model (BOM) domain from a database and allow the rule authors to reload domain values within Decision Center when the database is updated. What should an application developer do to implement these requirements?

A. Change the BOM class to add the virtual method: Collection getValues(IlrClass class) for loading data from the database and generatingdomain values.
B. Add a datasource which connects to the database in application server and configure Decision Center to have a reference to the datasource, and set thedomainValueProviderName property to the datasource name on the BOM class.
C. Set the domainValueProviderName property on the BOM class and integrate the implementation class of interface IlrValueProvider into DecisionCenter.
D. Set the domainValueProviderName property on the BOM class and integrate the implementation class of interface IlrBOMDomainValueProviderinto Decision Center.

Question 2

A Record instance is passed to the ruleflow as a ruleset parameter. A rule task performs validation and should accumulate all the issues found in the Record. The associated rules have the following characteristics:
-There are numerous action rules and decision tables. ?The rule conditions only involve the
Record class and its attributes. -The rule conditions perform many different tests in various order. -The action part of the rules only adds messages to a list that is not involved in the conditions of the rules.
Which execution settings should the application developer choose for the validation rule task?

A. Algorithm: Sequential Exit Criteria: None
B. Algorithm: RetePlus Exit Criteria: RuleInstance
C. Algorithm: Fastpath Exit Criteria: RuleInstance
D. Algorithm: RetePlus Exit Criteria: None

Question 3

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

Question 4

Business users want to be notified when a RuleApp has been updated or deleted. What should the application developer do to support this requirement?

A. Create a Rule Execution Server MBeans listener.
B. Register the business user's email in RuleApp view page in Rule Execution Server Console.
C. Execute the res-jar Ant task to set up email notifications.
D. Register the business user in the Decision Center Console.

Question 5

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

Solutions: