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

1. A Hosted Transparent Decision Service (HTDS) for a car insurance company has the following input and output. Input: A form that includes information about the driver, the vehicle and the type of insurance. Output: The cost of insurance if the request is eligible. How should the application developer implement this flow of information between the calling application and the decision service?

A) Define one ruleset parameter to pass the driver, vehicle, and insurance information to the rule engine. Define one ruleset parameter to return the decision results.
B) Define three ruleset variables for the application to pass the driver, vehicle, and insurance input objects. Define one ruleset parameter to return the decision results.
C) Implement an IlrContext subclass to populate the working memory with all the driver, vehicle, and insurance objects. Define a ruleset parameter to return the decision results.
D) Implement a database call that is triggered during rule execution so the rule engine can access all relevant driver, vehicle, and insurance information. Define a ruleset variable to return the decision results.

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

3. An application developer needs to implement the following business policy. All customers get a minimum discount of 5%. Customers that are 60 years old or older with an income over 100,000 get a 25% discount. All other customers 60 years old or older get a 10% discount.
The application developer already authored the following rule.

Which additional rule should the application developer author?

A) Option C
B) Option B
C) Option D
D) Option A

4. 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) Tune the JVM maximum heap size.
B) Use an Embedded Derby database.
C) Increase the Execution Unit (XU) connection pool size.
D) Augment the number of Business Object Model (BOM) entries and add more verbalizations.

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

Solutions: