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A manufacturing firm wants to automate its invoice payment
system. Objectives state that the system should require
considerably less time for review and authorization and the
system should be capable of identifying errors that require
follow up. Which of the following would BEST meet these
objectives?
A. Establishing an inter-networked system of client servers
with suppliers for increased efficiencies
B. Outsourcing the function to a firm specializing in
automated payments and accounts receivable/invoice processing
C. Establishing an EDI system of electronic business
documents and transactions with key suppliers, computer to
computer, in a standard format
D. Reengineering the existing processing and redesigning the
existing system
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Answer: C
EDI is the best answer. Properly implemented (e.g.,
agreements with trading partners transaction standards,
controls over network security mechanisms in conjunction
with application controls) EDI is best suited to identify
and follow up on errors more quickly, given reduced
opportunities for review and authorization.
| Is This Answer Correct ? | 8 Yes | 1 No |
A strength of an implemented quality system based on ISO 9001 is that it: A. guarantees quality solutions to business problems. B. results in improved software life cycle activities. C. provides clear answers to questions concerning cost-effectiveness. D. does not depend on the maturity of the implemented quality system.
Which of the following provisions in a contract for external information systems services would an IS auditor consider to be LEAST significant? A. Ownership of program and files B. Statement of due care and confidentiality C. Continued service of outsourcer in the event of a disaster D. Detailed description of computer hardware used by the vendor
An organization has outsourced network and desktop support. Although the relationship has been reasonably successful, risks remain due to connectivity issues. Which of the following controls should FIRST be performed to assure the organization reasonably mitigates these possible risks? A. Network defense program B. Encryption/Authentication C. Adequate reporting between organizations D. Adequate definition in contractual relationship
Which of the following issues should be included in the business continuity plan? A. The staff required to maintain critical business functions in the short, medium and long term B. The potential for a natural disaster to occur, such as an earthquake C. Disastrous events impacting information systems processing and end-user functions D. A risk analysis that considers systems malfunctions, accidental file deletions or other failures
The secure socket layer (SSL) protocol addresses the confidentiality of a message through: A. symmetric encryption. B. message authentication code. C. hash function. D. digital signature certificates.
An advantage of using sanitized live transactions in test data is that: A. all transaction types will be included. B. every error condition is likely to be tested. C. no special routines are required to assess the results. D. test transactions are representative of live processing.
Which of the following represents the MOST pervasive control over application development? A. IS auditors B. Standard development methodologies C. Extensive acceptance testing D. Quality assurance groups
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As part of the business continuity planning process, which of the following should be identified FIRST in the business impact analysis (BIA)? A. Organizational risks, such as single point-of-failure and infrastructure risk B. Threats to critical business processes C. Critical business processes for ascertaining the priority for recovery D. Resources required for resumption of business
During an audit of a telecommunications system the IS auditor finds that the risk of intercepting data transmitted to and from remote sites is very high. The MOST effective control for reducing this exposure is: A. encryption. B. callback modems. C. message authentication. D. dedicated leased lines.
When logging on to an online system, which of the following processes would the system perform FIRST? A. Initiation B. Verification C. Authorization D. Authentication
In large corporate networks having supply partners across the globe, network traffic may continue to rise. The infrastructure components in such environments should be scalable. Which of the following firewall architectures limits future scalability? A. Appliances B. Operating system based C. Host based D. Demilitarized
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