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Question
Separating the data warehouse from the operations databases occurs for all of the following reasons excepta. to make the management of the databases more economical
b. to increase the efficiency of data mining processes
c. to integrate legacy system data into a form that permits entity-wide analysis
d. to permit the integration of data from diverse sources
Answer
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a. are concerned about segregation of duties just as they would be in traditional systems.
b. focus on output controls such as independent verification because internal processing controls are known to be correct since best practices are used..
c. routinely audit data in the data warehouse because it is know to be clean and free from errors.
d. need not review access levels granted to users since these are determined when the system is configured and never change.
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Closed database architecture is
a. a control technique intended to prevent unauthorized access from trading partners.
b. a limitation inherent in traditional information systems that prevents data sharing.
c. a data warehouse control that prevents unclean data from entering the warehouse.
d. a technique used to restrict access to data marts.
e. a database structure that many of the leading ERPs use to support OLTP applications.
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Why does the payroll process lend itself to batch processing?
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The accountant analyzes the job tickets and prepares a labor distribution summary. Payroll prepares the payroll register and paychecks. The supervisor distributes the paychecks to the employees. Payroll informs cash disbursement of the funds required to cover the entire payroll amount. The cash disbursements clerk ensures that there are adequate funds in the company's regular checking account to cover the payroll.
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c. cannot be integrated into an overall ERP.
d. none of the above
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Legacy systems are
a. old manual systems that are still in place.
b. flat file mainframe systems developed before client-server computing became standard.
c. stable database systems after debugging.
d. advanced systems without a data warehouse.
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Which of the following statements is least likely to be true about a data warehouse?
a. It is constructed for quick searching and ad hoc queries.
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b. imposes new criminal penalties for fraud
c. both a. and b.
d. none of the above
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a. stealing cash from an organization before it is recorded.
b. stealing cash from an organization after it has been recorded.
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