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

1. An application developer must implement verbalization changes in a rule project. This rule project:
-is primarily maintained by rule authors in Decision Center which is the source of record ("source
of truth"). -is not present in the application developer's Rule Designer workspace. -does not have any dependency to or from any other rule project. -contains historical versions of rules that should be retained.
What should the application developer do?

A) Create a new "Rule Project" in Rule Designer, synchronize it with the rule project from Decision Center, implement verbalization changes and publish to Decision Center
B) Choose "Export Current Project State" in Decision Center, import the ".zip" file in Rule Designer, implement verbalization changes, delete the Decision Center rule project and import it back with a ".zip" file exported from Rule Designer
C) Create a new "Rule Project from Decision Center" in Rule Designer, implement verbalization changes and publish to Decision Center
D) Publish the rule project to a Rule Solutions for Office RuleDoc, implement rule changes and update Decision Center

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) Make sure the cache is empty before the first ruleset is parsed.
C) Set the ruleset property ruleset.maxIdleTime to 0 to ensure the ruleset is not removed from cache.
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. A business analyst requests that Decision Center users who belong to the: ?Manager group can create, update, view, and delete rule artifacts, but cannot update the status of rule artifacts. ?Validator group can view rule artifacts or change their status, but cannot create, update and delete them. How should the application developer set up the Decision Center permissions table to meet these requirements?

A) Option D
B) Option A
C) Option C
D) Option B

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

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) Use the res-deploy Ant task with the correct parameters to enable tracing on the deployed ruleset.
B) Navigate to the ruleset within Rule Execution Server console and add the ruleset.trace.enabled property.
C) Navigate to the ruleset within Rule Execution Server console and click the Show Monitoring Options to enable tracing.
D) Tracing cannot be enabled without deploying the ruleset again with the monitoring.enabled ruleset property set to true.

Solutions: