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IBM C2180-400 Exam Syllabus Topics:

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 asynchronousRulesetParsing property to false to handle concurrent requests.
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 pool.maxSize parameter to make sure that the number of active rulesets is greater than the size of the XU connection pool.

2. 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.

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

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

5. An application developer is preparing to deploy the ruleset that uses a Java Execution Object Model (XOM) to a Java EE environment for remote access, using stateless rule sessions. What should the application developer do to ensure optimal execution performance?

A) Disable Java 2 Security.
B) Set the ruleset property ruleset.sequential.trace.enabled to true.
C) In the ra.xml file, set the transaction-support property to LocalTransaction.
D) Change the Execution Unit (XU) traceLevel property from WARNING to FINE on the application server.

Solutions: