Opening the paper…
Question text from the original paper, with its maths as pictures Which of the following types of non-functional tests is used to measure the ability of a system to keep operating over specified periods of time? An organization has developed a recommendation system that performs well for 10,000 users. Before deployment, they want to verify that the system can continue to provide acceptable performance when the number of users grows to 10 million. Which of the following types of testing is appropriate for this?