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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) 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.
B) Use the Ant zip task to zip the rule project contents into a ruleset.
C) Install Rule Designer on the build machine and write a Java class to call the rule engine API.
D) Install Rule Designer on the build machine and use the Rule Designer build automation tool to generate the ruleset.

2. A company wants to execute business rules in a standalone Java application using Rule Execution Server with no application server on a consultant's laptop. The laptop does not have a connection to corporate network during most of the working hours. What rule session type should the application developer use to invoke the rules?

A) MDB
B) POJO
C) EJB
D) Java SE

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

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

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

Solutions: