Consider a popular sports news site. At a given moment, 20,000 concurrent users each submit a request (a transaction T) once every 2 minutes on average. Each transaction requires the web app to download a new article that is on average 3 KB long. What is the throughput?
Pick an option to check yourself, or open the answer below.
Show answer & explanation
Correct answer: B. 4 megabits per second
Explanation
Transactions per second = 20,000 / 120 ≈ 166.7. Data = 166.7 × 3 KB = 500 KB/s = 500 × 8 = 4000 kbps ≈ 4 Mbps.More Software Engineering questions
- Consider the following statements: A. Dynamic metrics are collected by measurements made of a program in execution. B. Static metrics are c…
- The following table shows the time between failures for a software system. The reliability of the system for one hour of operation, assumin…
- Statement I: Subsystem models show the logical grouping of objects into coherent subsystems. Statement II: State machine models show how ob…
- Arrange the following generic process framework activities in the appropriate order: A. Planning B. Construction C. Modeling D. Communicati…
- The ratio of errors found before software delivery to the total errors (before and after delivery) is called:
- Which of the following is NOT a goal of reverse engineering?