質問 1：
The Business Object Model (BOM) includes a Customer class with an Age attribute and a Score attribute both of type int. There are three rules and one query:
When the application developer runs Query 1, which rules will be returned?
A. Rule 3 only
B. Rule 1 only
C. Rule 2 only
D. Rule 2 and Rule 3
E. Rule 1 and Rule 2
正解：D
質問 2：
A Record instance is passed to the ruleflow as a ruleset parameter. A rule task performs validation and should accumulate all the issues found in the Record. The associated rules have the following characteristics:
-There are numerous action rules and decision tables. ?The rule conditions only involve the
Record class and its attributes. -The rule conditions perform many different tests in various order. -The action part of the rules only adds messages to a list that is not involved in the conditions of the rules.
Which execution settings should the application developer choose for the validation rule task?
A. Algorithm: RetePlus Exit Criteria: None
B. Algorithm: RetePlus Exit Criteria: RuleInstance
C. Algorithm: Sequential Exit Criteria: None
D. Algorithm: Fastpath Exit Criteria: RuleInstance
正解：C
質問 3：
A Hosted Transparent Decision Service (HTDS) for a car insurance company has the following input and output. Input: A form that includes information about the driver, the vehicle and the type of insurance. Output: The cost of insurance if the request is eligible. How should the application developer implement this flow of information between the calling application and the decision service?
A. Implement a database call that is triggered during rule execution so the rule engine can access all relevant driver, vehicle, and insurance information. Define a ruleset variable to return the decision results.
B. Implement an IlrContext subclass to populate the working memory with all the driver, vehicle, and insurance objects. Define a ruleset parameter to return the decision results.
C. Define one ruleset parameter to pass the driver, vehicle, and insurance information to the rule engine. Define one ruleset parameter to return the decision results.
D. Define three ruleset variables for the application to pass the driver, vehicle, and insurance input objects. Define one ruleset parameter to return the decision results.
正解：C
質問 4：
The rule 'NewYearDiscount' was introduced to apply a 30% discount based on quantity purchased and coupon code for the store items with id 1000, 1001 and 1002. The IRL for the rule is as follows:
What should the application developer do?
A. Initialize LineItem instances with a default quantity and ID.
B. Fix the ruleset invocation code to pass non-null Order and LineItem instances.
C. Initialize LineItem instances with a default non-null coupon code.
D. Fix the implementation of the LineItem.toString() method to handle null cases.
正解：C
質問 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 table with a precondition, three condition columns, and multiple action columns.
D. A decision tree with multiple branches.
正解：D
The Business Object Model (BOM) includes a Customer class with an Age attribute and a Score attribute both of type int. There are three rules and one query:
When the application developer runs Query 1, which rules will be returned?
A. Rule 3 only
B. Rule 1 only
C. Rule 2 only
D. Rule 2 and Rule 3
E. Rule 1 and Rule 2
正解：D
質問 2：
A Record instance is passed to the ruleflow as a ruleset parameter. A rule task performs validation and should accumulate all the issues found in the Record. The associated rules have the following characteristics:
-There are numerous action rules and decision tables. ?The rule conditions only involve the
Record class and its attributes. -The rule conditions perform many different tests in various order. -The action part of the rules only adds messages to a list that is not involved in the conditions of the rules.
Which execution settings should the application developer choose for the validation rule task?
A. Algorithm: RetePlus Exit Criteria: None
B. Algorithm: RetePlus Exit Criteria: RuleInstance
C. Algorithm: Sequential Exit Criteria: None
D. Algorithm: Fastpath Exit Criteria: RuleInstance
正解：C
質問 3：
A Hosted Transparent Decision Service (HTDS) for a car insurance company has the following input and output. Input: A form that includes information about the driver, the vehicle and the type of insurance. Output: The cost of insurance if the request is eligible. How should the application developer implement this flow of information between the calling application and the decision service?
A. Implement a database call that is triggered during rule execution so the rule engine can access all relevant driver, vehicle, and insurance information. Define a ruleset variable to return the decision results.
B. Implement an IlrContext subclass to populate the working memory with all the driver, vehicle, and insurance objects. Define a ruleset parameter to return the decision results.
C. Define one ruleset parameter to pass the driver, vehicle, and insurance information to the rule engine. Define one ruleset parameter to return the decision results.
D. Define three ruleset variables for the application to pass the driver, vehicle, and insurance input objects. Define one ruleset parameter to return the decision results.
正解：C
質問 4：
The rule 'NewYearDiscount' was introduced to apply a 30% discount based on quantity purchased and coupon code for the store items with id 1000, 1001 and 1002. The IRL for the rule is as follows:
What should the application developer do?
A. Initialize LineItem instances with a default quantity and ID.
B. Fix the ruleset invocation code to pass non-null Order and LineItem instances.
C. Initialize LineItem instances with a default non-null coupon code.
D. Fix the implementation of the LineItem.toString() method to handle null cases.
正解：C
質問 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 table with a precondition, three condition columns, and multiple action columns.
D. A decision tree with multiple branches.
正解：D
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