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IBM C2180-400 Exam Syllabus Topics:

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

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

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

3. A ruleset for validating the content of a message including cross-field validation and business range checking is ready to be integrated into an architecture with only a JVM container. The application must have the capability of providing to and removing from working memory any number of objects without resetting the rule session. Which execution approach should the application developer choose for this application integration?

A) Java SE with stateless rule session
B) POJO with stateless rule session
C) Java SE with stateful rule session
D) POJO with stateful rule session

4. The business users require the ability to maintain Business Object Model (BOM) domains using the Decision Center. To address this requirement, the application developer should create:

A) domains of collection type.
B) domains of static references.
C) domains of bounded type.
D) domains from Excel files.

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) Navigate to the ruleset within Rule Execution Server console and click the Show Monitoring Options to enable tracing.
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) Tracing cannot be enabled without deploying the ruleset again with the monitoring.enabled ruleset property set to true.

Solutions: