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Answer updated on: 12 Feb 2020
A. Implement data backup and recovery procedures. Implementing data backup and recovery procedure is a corrective control, because backup and recovery procedures can be used to roll back database errors. Defining or establishing standards is a preventive control, and monitoring for compliance is a detective control. Ensuring that only authorized personnel can update the database is a preventive ...
Answer updated on: 12 Feb 2020
A. Defining the areas to be reviewed On the basis of the evaluation of the entire business process, correctly defining the areas to be reviewed is the first step in a BPR project. On the basis of the definition of the areas to be reviewed, the project plan is developed. Understanding the process under review is important, but the subject of the review must be defined first. Thereafter, the ...
Answer updated on: 12 Feb 2020
A. that fewer opportunities for review and authorization will exist. EDI promotes a more efficient paperless environment, but at the same time, less human intervention makes it more difficult for reviewing and authorizing. Choice B is incorrect; since the interaction between parties is electronic, there is no inherent authentication occurring. Computerized data can look the same no matter what ...
Answer updated on: 06 Feb 2020
B. Prototype systems can provide significant time and cost savings. Prototype systems can provide significant time and cost savings; however, they also have several disadvantages. They often have poor internal controls, change control becomes much more complicated, and it often leads to functions or extras being added to the system that were not originally intended.
Answer updated on: 21 Jan 2020
C. atomicity. The principle of atomicity requires that a transaction be completed in its entirety or not at all. If an error or interruption occurs, all changes made up to that point are backed out. Consistency ensures that all integrity conditions in the database be maintained with each transaction. Isolation ensures that each transaction is isolated from other transactions, and hence, each ...
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