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

1. 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) Configure the IlrSessionRequest class to set connection pool size to 20.
C) Edit the resource adapter descriptor file ra.xml to set the pool.maxSize property to 20.
D) Set the ruleset property pool.maxSize to 20.

2. The Java method Customer.getLastOrderAmt() is verbalized as last order amt} of {this}? and returns the amount of the last customer order. The rule authors decided that ?amt? should be spelled out as ?amount? in rule artifacts. Many rule artifacts already exist using the ?amt? abbreviation. To address the new requirement, the application developer should:

A) edit the subject used in the verbalization and apply refactoring to the rules.
B) rename the Business Object Model (BOM) method and perform a BOM update to refactor the rule projects.
C) use Alt+Shift+R from a rule editor to rename ?amt? to ?amount? and apply refactoring to the rule artifacts.
D) use a semantic query with an action to refactor the rule artifacts.

3. Within a pricing application, a function rule artifact needs to be created to do a complex calculation. In what language does the application developer author the function?

A) Java
B) ILOG Rule Language (IRL)
C) Business Action Language (BAL)
D) Business Rule Language Definition Framework (BRLDF)

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

5. An application developer is required to implement the following business policy represented by this pseudo code which has a set of non-symmetrical rules.

IBM 000-400 Exam
What rule artifact(s) should the application developer author?

A) Two business action language rules using the else statement in both.
B) A decision table without preconditions, four condition columns, and multiple action columns.
C) A decision tree with multiple branches.
D) A decision table with a precondition, three condition columns, and multiple action columns.

Solutions: