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

1. 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) 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.
B) 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.
C) 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.
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.

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

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

4. Business users manage promotions within Decision Center. To manage the promotions within Decision Center, the user interface needs to be customized with a new Promotion tab on the top menu. What should an application developer to do to register the Promotion tab?

A) Add the tab to the /WEB-INF/teamserver.tld file.
B) Add a teamserver:tab tag to /custom/tabs.jsp.
C) Register the tab through modifying the Decision Center configuration parameters in the application server.
D) Register the tab through Installation Settings Wizard within Decision Center.

5. An application developer just activated Decision Warehouse for a ruleset deployed to Rule Execution Server. The ruleset has a Business Object Model (BOM) class com.test.Customer with two large properties: Customer.largeString1 and Customer.largeString2. Activating Decision Warehouse resulted in a decrease in ruleset execution performance. How can the application developer reduce the BOM serialization performance impact and retain the ability to search input and output parameters on the Decision Warehouse tab of the Rule Execution Server Console?

A) Set the monitoring.inout.filters property to INFO_WORKING_MEMORY=true,WORKING_MEMORY_FILTER=com.test.Customer.
B) Set the monitoring.inout.filters property to Customer.largeString1,Customer.largeString2.
C) Set the ruleset.bom.enabled property to false and in Customer.toString() return a value containing Customer.largeString1 and Customer.largeString2
D) Set the monitoring.filters property to Customer.largeString1,Customer.largeString2.

Solutions: