שאלה | Possible non-functional response time and reliability requirements may include:

Possible non-functional response time and reliability requirements may include:

		1. After the customer presses a button on the machine, the display should be updated within 0.5 seconds.
		2. The ticket issuing time after credit card validation has been received should not exceed 10 seconds.
		3. When validating credit cards, the display should provide a status message for customers indicating that activity is taking place.
		4. The maximum acceptable failure rare for ticket issue requests is 1:10000