Briefly explain the difference between system testing and user acceptance testing (UAT).
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System testing involves testing the complete, integrated system (hardware, software, databases, people, and procedures) to validate that an information system meets all specified requirements. System testing is often done by independent testers who were not involved in developing program code. They attempt to make the system fail. They frequently employ testing called black box testing because it requires no specific knowledge of an application's code and internal logic. In other words, a system tester is aware of what the software is supposed to do but is not aware of how it does it. During user acceptance testing (UAT), trained users test the information system to verify that it can complete required tasks in a real-world operating environment and perform according to the system design specifications. UAT is also known as beta testing, application testing, and end-user testing. Unlike system testing, which ensures that the system itself works, UAT determines whether the system meets its intended business needs.??
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a. stream b. downstream c. grouping stream d. upsteam
Name the seven layers of the OSI model of networking in order from 7 to 1.
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Which sentence does not include a dangling modifier??
A. ?While on the plane to a book signing, the writer outlined his next novel. B. ?While on the plane to a book signing, the outline of the next novel was written by the writer.
Critical Thinking Question Case Study 8-1? ? Lexi was cleaning out her attic and came across several boxes of old photos. She does not want to lose them so she loads them onto her computer. She knows you did that with some of your wedding photos recently. She decides to call you. Lexi has loaded the photos onto her computer, but now she wants to organize them. You tell her to create a(n) ______. a. album b. folder c. collection d. CD?
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