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

1. A ruleset contains one rule task that uses RetePlus execution mode, and one rule task that uses FastPath. For troubleshooting purposes, the application developer implements logging of the names of all the rules fired for every ruleset execution, using the API IlrSessionRequest.setTraceEnabled(true) and IlrSessionResponse.getRulesetExecutionTrace(). What property should the application developer also configure on the ruleset?

A) ruleset.bom.enabled = true
B) ruleset.trace.enabled = true
C) ruleset.sequential.trace.enabled = true
D) ruleset.optimization.enabled = false

2. 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) Configure the IlrSessionRequest class to set connection pool size 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) Set pool size of the Execution Unit (XU) connection factory in the application server to 20.

3. An application developer currently has a rule project with only the following two rules. It is required that at least one rule is executed for all transactions.

IBM 000-400 Exam
After running a completeness analysis, the application developer will be asked to instantiate which of the following?


IBM 000-400 Exam

A) Option B
B) Option C
C) Option D
D) Option A

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) RetePlus and check "Update object state" on BOM members as needed
B) Fastpath 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 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 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.
D) Create 2 ruleflows and set the main flow task property of each ruleflow to true.

Solutions: