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

1. A Rule Project was developed in Rule Designer and is ready to be tested. To facilitate troubleshooting of ruleset executions using sample data, the application developer needs to build a custom test harness that embeds a native rule engine and uses the IlrRuleset and IlrContext API. What type of project should the application developer create?

A) RuleApp Project
B) Rule Project from Decision Center
C) Client Project for RuleApps
D) Java Project for Rules

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

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

4. 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) Set the ruleset property pool.maxSize to 20.
C) Edit the resource adapter descriptor file ra.xml to set the pool.maxSize property to 20.
D) Configure the IlrSessionRequest class to set connection pool size to 20.

5. An application developer is using Decision Validation Services (DVS) to test business rules. The application developer notices that the required column headings in the generated Excel scenario file template do not contain meaningful text. What should an application developer do to make the column headings meaningful before generating a new scenario file template ?

A) Specify meaningful names for column headings during scenario file template generation.
B) Modify the names of the constructor parameters to give them meaningful names.
C) Specify meaningful names on the Business Object Model (BOM) members corresponding to the required columns.
D) Manually change the column headings in the scenario file template.

Solutions: