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

1. An application developer is validating a rule project in Rule Designer and needs to create a new DVS Excel File Run Configuration. Instead of testing all of the rules, the new run configuration must also specify a subset of the rules to test. Which setting in the run configuration must the application developer apply?

A) On the Extraction tab, select to use an extractor which specifies the rules to test.
B) On the Excel File tab, specify the rules to test.
C) On the Rules tab, specify the rules to test.
D) On the Excel File tab, click Browse next to Rule Project and specify the rules to test.

2. A company is running 20,000 rules in one ruleset and experiences latency during some ruleset executions. No hot deployments are used. After reviewing the execution traces, the application developer recognizes that the performance is affected by reparsing of the same ruleset after overnight inactivity. What should the application developer do to minimize the impact of ruleset parsing and speed up performance?

A) In the ra.xml file, set the asynchronousRulesetParsing property to false to handle concurrent requests.
B) In the ra.xml file, set the pool.maxSize parameter to make sure that the number of active rulesets is greater than the size of the XU connection pool.
C) Set the ruleset property ruleset.maxIdleTime to 0 to ensure the ruleset is not removed from cache.
D) Make sure the cache is empty before the first ruleset is parsed.

3. An application developer is required to implement the following business policy represented by this pseudo code which has a set of non-symmetrical rules.

IBM 000-400 Exam
What rule artifact(s) should the application developer author?

A) Two business action language rules using the else statement in both.
B) A decision table with a precondition, three condition columns, and multiple action columns.
C) A decision tree with multiple branches.
D) A decision table without preconditions, four condition columns, and multiple action columns.

4. 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 a semantic query with an action to refactor 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 Alt+Shift+R from a rule editor to rename ?amt? to ?amount? and apply refactoring to the rule artifacts.

5. An application developer is creating the enumeration LoanType in the Business Object Model (BOM). After creating a new class LoanType in the BOM using the BOM Editor, the application developer notices the following error: [B2X] Cannot find execution class ?LoanType? for translating business class ?LoanType? What should the application developer do to remove this error?

A) Specify LoanType as the execution class.
B) Specify java.lang.String as the execution class.
C) Specify java.lang.String as a super class.
D) Import the java.lang.String class.

Solutions: