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

1. The application developer needs to automate the rule project build process. The rule projects are stored in a Source Code Control system. What should the application developer do to automate the build process?

A) Install Rule Designer on the build machine and use the Rule Designer build automation tool to generate the ruleset.
B) Install Rule Designer on the build machine and write a Java class to call the rule engine API.
C) Copy the Rule Designer API library files onto the build machine, write a Java class to call a remotely running Rule Designer to generate the ruleset using the Rule Designer API.
D) Use the Ant zip task to zip the rule project contents into a ruleset.

2. A rule task associated with 10 action rules performs elaborate computations on a set of objects. The action part of the rules changes the state of the objects involved in the conditions so that the firing of one rule may cause another rule to fire. For the computation to be correct, the firing of rules should continue until there are no more rules eligible to fire. How should the application developer implement this requirement? Set the rule task algorithm to:

A) Sequential and implement a loop construct in the ruleflow
B) Fastpath and check "Update object state" on BOM members as needed
C) Fastpath and implement a loop construct in the ruleflow
D) RetePlus and check "Update object state" on BOM members as needed

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

4. 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) Set the domainValueProviderName property on the BOM class and integrate the implementation class of interface IlrValueProvider into DecisionCenter.
B) Change the BOM class to add the virtual method: Collection getValues(IlrClass class) for loading data from the database and generatingdomain values.
C) Set the domainValueProviderName property on the BOM class and integrate the implementation class of interface IlrBOMDomainValueProviderinto Decision Center.
D) 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.

5. The rule 'NewYearDiscount' was introduced to apply a 30% discount based on quantity purchased and coupon code for the store items with id 1000, 1001 and 1002. The IRL for the rule is as follows:

What should the application developer do?

A) Fix the implementation of the LineItem.toString() method to handle null cases.
B) Initialize LineItem instances with a default quantity and ID.
C) Initialize LineItem instances with a default non-null coupon code.
D) Fix the ruleset invocation code to pass non-null Order and LineItem instances.

Solutions: