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

1. 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.

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


IBM 000-400 Exam

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

3. An application developer is creating the enumeration LoanType in the Business Object Model (BOM). After creating a new class LoanType in the BOM using the BOM Editor, the application developer notices the following error: [B2X] Cannot find execution class ?LoanType? for translating business class ?LoanType? What should the application developer do to remove this error?

A) Specify LoanType as the execution class.
B) Import the java.lang.String class.
C) Specify java.lang.String as the execution class.
D) Specify java.lang.String as a super class.

4. Rule authors need to select a city from a drop-down list of more than 1000 cities when editing the condition statement of a rule within Decision Center. An application developer decides to customize the user experience so that the rule authors can search for a city in a popup window. How should the application developer do this?

A) Create a value provider and integrate it into Decision Center.
B) Create a custom business rule language and publish it to Decision Center.
C) Create a value editor and integrate it into Decision Center.
D) Create a value descriptor and integrate it into Decision Center.

5. A ruleset contains one rule task that uses RetePlus execution mode, and one rule task that uses FastPath. For troubleshooting purposes, the application developer implements logging of the names of all the rules fired for every ruleset execution, using the API IlrSessionRequest.setTraceEnabled(true) and IlrSessionResponse.getRulesetExecutionTrace(). What property should the application developer also configure on the ruleset?

A) ruleset.sequential.trace.enabled = true
B) ruleset.trace.enabled = true
C) ruleset.optimization.enabled = false
D) ruleset.bom.enabled = true

Solutions: