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

2. CORRECT TEXT
A company wants to run a simulation against millions of database records to evaluate the
business impact. The Rule Execution Server and Scenario Service Provider (SSP) used to run
simulation are deployed on computer with multiple processors. What should the application
developer do to reduce time required to run the simulation?

A) Divide the database records into subsets and run the simulation against the subset data.
B) Implement a IlrParallelScenarioProvider
C) Implement IlrScenarioProvider and use multiple threads to run rule session.
D) Deploy the SSP onto a application server cluster.

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

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

5. 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) 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.
C) 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.
D) 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.

Solutions: