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

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

2. The Java method Customer.getLastOrderAmt() is verbalized as last order amt} of {this}? and returns the amount of the last customer order. The rule authors decided that ?amt? should be spelled out as ?amount? in rule artifacts. Many rule artifacts already exist using the ?amt? abbreviation. To address the new requirement, the application developer should:

A) rename the Business Object Model (BOM) method and perform a BOM update to refactor the rule projects.
B) use Alt+Shift+R from a rule editor to rename ?amt? to ?amount? and apply refactoring to the rule artifacts.
C) edit the subject used in the verbalization and apply refactoring to the rules.
D) use a semantic query with an action to refactor the rule artifacts.

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

4. A ruleset is deployed to Rule Execution Server and the rule administrators requested that Decision Warehouse be used to store trace information about ruleset executions. What should the application developer do to activate tracing on the already deployed ruleset?

A) Navigate to the ruleset within Rule Execution Server console and click the Show Monitoring Options to enable tracing.
B) Tracing cannot be enabled without deploying the ruleset again with the monitoring.enabled ruleset property set to true.
C) Navigate to the ruleset within Rule Execution Server console and add the ruleset.trace.enabled property.
D) Use the res-deploy Ant task with the correct parameters to enable tracing on the deployed ruleset.

5. 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) Use an Embedded Derby database.
C) Tune the JVM maximum heap size.
D) Increase the Execution Unit (XU) connection pool size.

Solutions: