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

1. 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.

2. A Hosted Transparent Decision Service (HTDS) for a car insurance company has the following input and output. Input: A form that includes information about the driver, the vehicle and the type of insurance. Output: The cost of insurance if the request is eligible. How should the application developer implement this flow of information between the calling application and the decision service?

A) Define three ruleset variables for the application to pass the driver, vehicle, and insurance input objects. Define one ruleset parameter to return the decision results.
B) Implement a database call that is triggered during rule execution so the rule engine can access all relevant driver, vehicle, and insurance information. Define a ruleset variable to return the decision results.
C) Implement an IlrContext subclass to populate the working memory with all the driver, vehicle, and insurance objects. Define a ruleset parameter to return the decision results.
D) Define one ruleset parameter to pass the driver, vehicle, and insurance information to the rule engine. Define one ruleset parameter to return the decision results.

3. An application developer is validating a rule project in Rule Designer and needs to create a new DVS Excel File Run Configuration. Instead of testing all of the rules, the new run configuration must also specify a subset of the rules to test. Which setting in the run configuration must the application developer apply?

A) On the Excel File tab, specify the rules to test.
B) On the Excel File tab, click Browse next to Rule Project and specify the rules to test.
C) On the Extraction tab, select to use an extractor which specifies the rules to test.
D) On the Rules tab, specify the rules to test.

4. Given the rules under Append 1, and the scenarios under Append 2, what are the correct expected results?


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

5. 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.

Solutions: