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

1. An application developer is using Decision Validation Services (DVS) to test business rules. The application developer notices that the required column headings in the generated Excel scenario file template do not contain meaningful text. What should an application developer do to make the column headings meaningful before generating a new scenario file template ?

A) Modify the names of the constructor parameters to give them meaningful names.
B) Specify meaningful names on the Business Object Model (BOM) members corresponding to the required columns.
C) Specify meaningful names for column headings during scenario file template generation.
D) Manually change the column headings in the scenario file template.

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

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) Fix the implementation of the LineItem.toString() method to handle null cases.
B) Initialize LineItem instances with a default quantity and ID.
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.

4. A custom hierarchy property location is defined for each rule to specify geographical location to which the rule applies. The following figure shows the value of the location property for various rules.

An application developer wants to select all rules that apply to Los Angeles. For example, Rule 1, Rule 2 and Rule 3. Which runtime rule selection Business Action Language (BAL) construct should the application developer use?

A) the location of the rule is 'Los Angeles'
B) the location of the rule is under 'Los Angeles'
C) the location of the rule is greater than or equal to 'Los Angeles'
D) the location of the rule is over 'Los Angeles'

5. A ruleset contains one rule task that uses RetePlus execution mode, and one rule task that uses FastPath. For troubleshooting purposes, the application developer implements logging of the names of all the rules fired for every ruleset execution, using the API IlrSessionRequest.setTraceEnabled(true) and IlrSessionResponse.getRulesetExecutionTrace(). What property should the application developer also configure on the ruleset?

A) ruleset.bom.enabled = true
B) ruleset.optimization.enabled = false
C) ruleset.trace.enabled = true
D) ruleset.sequential.trace.enabled = true

Solutions: