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

2. Within a pricing application, there are three valid regions: A, B, and C.
The pricing rules currently include this decision table. The current version of this table has a gap in the rules and does not assign a discount for Gold customers in region C.
To prevent this rule from getting deployed in the future, gaps for this decision table should be treated as an error.

What should the application developer do in Rule Designer to treat gaps as an error condition within this decision table?

A) From the decision tables properties, turn on gap checking for all condition columns and enforce locking for this table.
B) From the decision tables properties, turn on gap checking for all condition columns and set the reporting of gaps to an error level.
C) From the column condition builder, turn on check interval for each condition column.
D) From the general tab, update the preconditions section with gapChecking=true;

3. A rule task associated with 10 action rules performs elaborate computations on a set of objects. The action part of the rules changes the state of the objects involved in the conditions so that the firing of one rule may cause another rule to fire. For the computation to be correct, the firing of rules should continue until there are no more rules eligible to fire. How should the application developer implement this requirement? Set the rule task algorithm to:

A) Sequential and implement a loop construct in the ruleflow
B) RetePlus and check "Update object state" on BOM members as needed
C) Fastpath and check "Update object state" on BOM members as needed
D) Fastpath and implement a loop construct in the ruleflow

4. A ruleset is deployed to Rule Execution Server and the rule administrators requested that Decision Warehouse be used to store trace information about ruleset executions. What should the application developer do to activate tracing on the already deployed ruleset?

A) Navigate to the ruleset within Rule Execution Server console and add the ruleset.trace.enabled property.
B) Tracing cannot be enabled without deploying the ruleset again with the monitoring.enabled ruleset property set to true.
C) Navigate to the ruleset within Rule Execution Server console and click the Show Monitoring Options to enable tracing.
D) Use the res-deploy Ant task with the correct parameters to enable tracing on the deployed ruleset.

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

Solutions: