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

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

2. An application developer collects the following requirements from the business analyst for the case assignment system:
-There are 4 sets of rules to be executed in successive tasks: initialization, preprocess, check
workload and assign case. -The initialization rules should be divided into 5 subsets and orchestrated with 1 ruleflow. -The assign case rules should be divided into 6 subsets and orchestrated with 1 ruleflow.
How should the application developer create the ruleflows?

A) Create 5 ruleflows, set the main flow task property of the main ruleflow to the name of the ruleset and for each other ruleflow set it to name of the ruleflow.
B) Create 3 ruleflows, set the main flow task property of the main ruleflow to true and set other ruleflows to false.
C) Create 2 ruleflows and set the main flow task property of each ruleflow to true.
D) Create 4 ruleflows, set the main flow task property of the main ruleflow to the name of the decision service and for each other ruleflow set it to the label of relevant rule task.

3. 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.filters property to Customer.largeString1,Customer.largeString2.
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.inout.filters property to INFO_WORKING_MEMORY=true,WORKING_MEMORY_FILTER=com.test.Customer.

4. An application developer needs to ensure that a set of rules covers all possible cases leaving no gaps. Which artifact should the application developer use to perform this task?

A) Completeness analysis report
B) Ruleset execution trace
C) Rule project statistics report
D) Consistency analysis report

5. 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) In the ra.xml file, set the asynchronousRulesetParsing property to false to handle concurrent requests.
D) Make sure the cache is empty before the first ruleset is parsed.

Solutions: