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

1. An application developer notices that a class in the Java Execution Object Model (XOM) contains a number of methods that should not be imported into the Business Object Model (BOM). How should the application developer annotate the XOM to filter the methods that should not be imported into the BOM?

A) Add the @BusinessName annotation and do not specify a value for the annotation.
B) Add the @CustomProperty annotation and set name of the property as import and value as false.
C) Add the @NotBusiness annotation.
D) Add the @BusinessType annotation and specify null as the business type.

2. The response time of Decision Center while browsing and editing rule artifacts is slow. What should the application developer do to improve the performance?

A) Tune the JVM maximum heap size.
B) Increase the Execution Unit (XU) connection pool size.
C) Augment the number of Business Object Model (BOM) entries and add more verbalizations.
D) Use an Embedded Derby database.

3. A company implemented a report data validation system with business rules. As there is a large volume of data, the design team has decided to run validations in batch and parallel mode. The ruleset will be executed in Java SE and the maximum number of threads executing rules is 20). When an application developer tests the rule execution code, the following exception comes up: ilog.rules.res.session.IlrSessionException: An error occurred while the rule session was called: ilog.rules.res.xu.cmanager.impl.IlrLocalizedResourceAllocationException: Default connection manager pool is full, error code: GBRXU0200E ilog.rules.res.xu.pool.IlrPoolException: Pool of connections is full What should the application developer do to resolve the exception?

A) Set pool size of the Execution Unit (XU) connection factory in the application server to 20.
B) Edit the resource adapter descriptor file ra.xml to set the pool.maxSize property to 20.
C) Configure the IlrSessionRequest class to set connection pool size to 20.
D) Set the ruleset property pool.maxSize to 20.

4. After a company deploys their rules to production, a series of new business policies affect several of the deployed rules. The rule authors fix the rules, and the updated ruleset is deployed.
However, another business policy change makes some of the rule fixes incorrect and the original rules need to be reinstated. The rule authors ask for help from the application developer so that they do not lose their correct changes. What should the application developer do?

A) Clone the deployment baseline to a branch, and use the Diff and Merge tool to select the correct rules to keep on the current branch of the project.
B) Unfreeze the deployment baseline so the rule authors can fix the rules again, and then redeploy the baseline.
C) Erase the current project and synchronize with Rule Designer to get the originally deployed rules.
D) Restore the baseline so that it becomes the current state of the project so that the rule authors redo the appropriate rule changes.

5. A company is developing their insurance claim validation system with business rules. It is required that the latest activated version of the ruleset should be executed when a new ruleset is deployed regardless of the versioning policy. The ruleset will be executed in Java SE. What should an application developer do to satisfy the requirements when implementing rule execution code?

A) Set the ruleset property ilog.rules.engine.useJIT to true.
B) Configure the IlrSessionRequest class to set the ruleset path to /RuleAppname/rulesetname.
C) Edit the resource adapter descriptor ra.xml to set the asynchronousRulesetParsing property to true.
D) Set a unique execution ID with IlrSessionRequest.setExecutionID()

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