フリー問題

問題文

A Technical Test Analyst reviews the architecture of a public website against the checklist for time behavior that this syllabus quotes. The design opens a fresh database connection for every incoming request. Which item of that checklist should the reviewer raise?

選択肢

1. transaction concurrency, because that item is what removes the execution time overhead the platform pays whenever it establishes another database connection
2. process isolation, because that item is what removes the execution time overhead the platform pays whenever it establishes another database connection
3. load balancing, because that item is what removes the execution time overhead the platform pays whenever it establishes another database connection
4. connection pooling, because that item is what removes the execution time overhead the platform pays whenever it establishes another database connection