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

1. 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) 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.
B) Set the ruleset property ruleset.maxIdleTime to 0 to ensure the ruleset is not removed from cache.
C) Make sure the cache is empty before the first ruleset is parsed.
D) In the ra.xml file, set the asynchronousRulesetParsing property to false to handle concurrent requests.

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

3. The business users require the ability to maintain Business Object Model (BOM) domains using the Decision Center. To address this requirement, the application developer should create:

A) domains from Excel files.
B) domains of static references.
C) domains of bounded type.
D) domains of collection type.

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. A bank is developing a loan application system with business rules. An application developer adds a ruleset parameter loanReport of type LoanReport which contains the ?valid? attribute. The application developer needs to initialize the ruleset parameter ?loanReport? and set default value of the valid attribute to ?true? with ILOG Rule Language (IRL) code. How should the application developer do this?

A) In the transition that links Start node to the first rule task, enter the IRL code to set the default value.
B) Set the default value of the loanReport parameter to: new LoanReport(valid=true)
C) Add a rule task node in the ruleflow and in its Initial Action section enter Business Action Language (BAL) and edit the IRL translation.
D) Add an Action task node in the ruleflow, and enter the IRL code to set the default value.

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