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

1. An application developer needs to ensure that a set of rules covers all possible cases leaving no gaps. Which artifact should the application developer use to perform this task?

A) Consistency analysis report
B) Completeness analysis report
C) Rule project statistics report
D) Ruleset execution trace

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) Make sure the cache is empty before the first ruleset is parsed.
B) Set the ruleset property ruleset.maxIdleTime to 0 to ensure the ruleset is not removed from cache.
C) In the ra.xml file, set the asynchronousRulesetParsing property to false to handle concurrent requests.
D) 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.

3. An application developer is preparing to deploy the ruleset that uses a Java Execution Object Model (XOM) to a Java EE environment for remote access, using stateless rule sessions. What should the application developer do to ensure optimal execution performance?

A) Disable Java 2 Security.
B) In the ra.xml file, set the transaction-support property to LocalTransaction.
C) Set the ruleset property ruleset.sequential.trace.enabled to true.
D) Change the Execution Unit (XU) traceLevel property from WARNING to FINE on the application server.

4. The Business Object Model (BOM) includes a Customer class with an Age attribute and a Score attribute both of type int. There are three rules and one query:

When the application developer runs Query 1, which rules will be returned?

A) Rule 2 only
B) Rule 1 and Rule 2
C) Rule 3 only
D) Rule 2 and Rule 3
E) Rule 1 only

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

Solutions: