AIS - chapter three

Which of the following best describes the meaning of the multiplicities next to the number 6 in the following diagram? a. Each Buy/Sell Transaction involves one Broker. b. Each Buy/Sell Transaction involves many Brokers. c. Each Buy/Sell Transaction involves a minimum of zero Brokers. d. Each Buy/Sell Transaction involves a maximum of many Brokers. e. Both a and d are correct.

a

Which of the following best describes the meaning of this UML class diagram? a. Each new car can be sold once. b. A sale can involve multiple new cars. c. Each new car can be sold multiple times. d. No new cars are in inventory. e. None of the above

a

Which of the following best describes the meaning of this diagram? (NOTES) a. Each sale can result in many subsequent cash receipts. b. Each cash receipt can apply to many sales. c. All sales must have cash receipts. d. Each sale can result in only one cash receipt. e. None of the above

a

Which of the following is not a basic step in modeling process decision requirements? a. Identify process steps. b. Document decisions and how they impact business objectives. c. Decompose and refine requirements. d. Specify decision information and knowledge requirements. e. Identify required decisions.

a

Which of the following is true to implement the Buy/Sell Transactions and Brokers classes and the association between them in the following UML class diagram in a database? a. The primary key of Brokers is a foreign key in Buy/Sell Transactions. b. The primary key of Buy/Sell Transactions is a foreign key in Brokers. c. The association between Brokers and Buy/Sell Transactions is implemented as a linking table. d. Both a and b are true. e. None of these is true.

a

Which of the following best describes the meaning of the multiplicities next to the number 1 in the following diagram? a. Stocks are traded in only one exchange. b. Stocks are traded in at least one exchange. c. Stocks are traded in a minimum of zero exchanges. d. Stocks are traded in a maximum of many exchanges. e. Both c and d are correct.

e

Which of the following best describes the meaning of the multiplicities next to the number 2 in the following diagram? (REFER TO NOTES) a. Each exchange trades at least one stock. b. Each exchange trades only one stock. c. Each exchange trades a minimum of zero stocks. d. Each exchange trades a maximum of many stocks. e. Both a and d are correct.

e

Which of the following best describes the meaning of the multiplicities next to the number 3 in the following diagram? a. Each transaction involves at least one stock. b. Each transaction involves only one stock. c. Each transaction involves a minimum of zero stocks. d.Each transaction involves a maximum of many stocks. e. Both a and b are correct.

e

Which of the following best describes the meaning of the multiplicities next to the number 5 in the following diagram? a. Each Broker is involved in one Buy/Sell Transaction. b. Each Broker is involved in many Buy/Sell Transactions. c. Each Broker is involved in a minimum of one Buy/Sell Transaction. d. Each Broker is involved in a minimum of zero Buy/Sell Transactions. e. Both b and d are correct.

e

Which of the following is an example of an obligatory business rule? a. Customers must provide a valid credit card number. b. Customers must enter a shipping address. c. Customers may not enter a post office box as a shipping address. d. Customers may use Visa or MasterCard. e. Both a and b are obligatory business rules.

e

Which of the following is not an objective of a structure model? a. Designate things of interest in the business domain. b. Describe characteristics of things of interest in the business domain. c. Support relational database design. d. Describe the sequence of activities. e. All of the above are objectives of structure models.

e

Which of the following is true to implement the Stock Exchanges and Brokers classes in the following UML class diagram in a database? a. The primary key of Brokers is a foreign key in Stock Exchanges. b. The primary key of Stock Exchanges is a foreign key in Brokers. c. The association between Brokers and Stock Exchanges is implemented as a linking table. d. Both a and b are true. e. None of these is true.

e

Which of the following statements is true about the following class diagram? a. A sale can involve zero inventory items. b. A sale can involve one inventory item. c. A sale can involve many inventory items. d. A and C are true. e. B and C are true.

e

Which of the following is not a general category of operational decision? a. Eligibility b. Accumulation c. Validation d. Risk e. Opportunity

b

Which of the following is not an enforcement level for a business rule? a. Strict enforcement b. Optional enforcement c. Pre-override enforcement d. Post-override enforcement e. Guideline

b

Which of the following statements concerning this class diagram with multiplicities is not true? (REFER TO NOTES) a. An order can involve only one customer. b. A customer can place only one order. c. A customer can place many orders. d. A customer may not have ordered yet. e. All of the above are true.

b

Which of the following best describes the meaning of the multiplicities next to the number 4 in the following diagram? a. Each stock is bought/sold at least once. b. Each stock is bought/sold only once. c. Each stock is bought/sold a maximum of many times. d. Each stock is bought/sold a minimum of many times. e. Both a and c are correct.

c

Which of the following best describes the meaning of this entity-relationship diagram? a. Every student is enrolled in many classes. b. Every class must have at least one student enrolled. c. Every student must be enrolled in at least one class. d. No students are enrolled in any classes. e. None of the above

c

Which of the following is true to implement the Stock Exchanges and Stocks classes and the association between them in the following UML class diagram in a database? (REFER TO NOTES) a. The primary key of Stocks is a foreign key in Stock Exchanges. b. The primary key of Stock Exchanges is a foreign key in Stocks. c. The association between Stocks and Stock Exchanges is implemented as a linking table. d. Both a and b are true. e. None of these is true.

c