Check: backups and availability | ComputeSphere Learn

Goal: Confirm you can pick the right kind of copy for a failure, keep a service up through a crash, and choose where a restore lands.

Four questions: three on Module 8, one on Module 6. Every answer explains itself, right or wrong.

Your provider's database has a standby copy in another data centre. Is that your backup?Yes: two copies in two placesNo: it copies mistakes as fast as good changesOnly if it's with a different provider

Your API runs on 1 spherelet with a health check. It crashes a few times a week, and each time users get errors for a minute. What stops the errors without fixing the crash yet?Run 2 sphereletsA bigger shapeA longer Initial delay

A customer reports a bug that only shows with production's data. You want that data in staging without touching production. Which option do you pick in Restore to?Same service and environmentSame service, different environmentBack up now

From Module 6: which of these deserves an alert that wakes someone up?CPU at 85% for five minutes, with normal latencyMost requests failing for five minutesA deploy that finished successfully

Retry as often as you like.