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

1. The design team decided to populate a Business Object Model (BOM) domain from a database and allow the rule authors to reload domain values within Decision Center when the database is updated. What should an application developer do to implement these requirements?

A) Add a datasource which connects to the database in application server and configure Decision Center to have a reference to the datasource, and set thedomainValueProviderName property to the datasource name on the BOM class.
B) Change the BOM class to add the virtual method: Collection getValues(IlrClass class) for loading data from the database and generatingdomain values.
C) Set the domainValueProviderName property on the BOM class and integrate the implementation class of interface IlrValueProvider into DecisionCenter.
D) Set the domainValueProviderName property on the BOM class and integrate the implementation class of interface IlrBOMDomainValueProviderinto Decision Center.

2. A company is running 20,000 rules in one ruleset and experiences latency during some ruleset executions. No hot deployments are used. After reviewing the execution traces, the application developer recognizes that the performance is affected by reparsing of the same ruleset after overnight inactivity. What should the application developer do to minimize the impact of ruleset parsing and speed up performance?

A) Make sure the cache is empty before the first ruleset is parsed.
B) Set the ruleset property ruleset.maxIdleTime to 0 to ensure the ruleset is not removed from cache.
C) In the ra.xml file, set the asynchronousRulesetParsing property to false to handle concurrent requests.
D) In the ra.xml file, set the pool.maxSize parameter to make sure that the number of active rulesets is greater than the size of the XU connection pool.

3. An application developer notices that a class in the Java Execution Object Model (XOM) contains a number of methods that should not be imported into the Business Object Model (BOM). How should the application developer annotate the XOM to filter the methods that should not be imported into the BOM?

A) Add the @BusinessType annotation and specify null as the business type.
B) Add the @NotBusiness annotation.
C) Add the @CustomProperty annotation and set name of the property as import and value as false.
D) Add the @BusinessName annotation and do not specify a value for the annotation.

4. A custom hierarchy property location is defined for each rule to specify geographical location to which the rule applies. The following figure shows the value of the location property for various rules.

An application developer wants to select all rules that apply to Los Angeles. For example, Rule 1, Rule 2 and Rule 3. Which runtime rule selection Business Action Language (BAL) construct should the application developer use?

A) the location of the rule is 'Los Angeles'
B) the location of the rule is greater than or equal to 'Los Angeles'
C) the location of the rule is under 'Los Angeles'
D) the location of the rule is over 'Los Angeles'

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

Solutions: