Multiple ChoiceHard 30s
Write-behind cache
Choose the best answer for: async writes
Options
- 1Write to cache; async flush to DB (faster, risk of data loss)
- 2No writes reach the cache; it is treated as a strictly read-only layer
- 3Reads only; the cache serves gets and never participates in any write
- 4Every write blocks until the database commits; cache is bypassed
Think you can answer under pressure?
Get matched and answer live questions in 3-minute 1v1 battles. Elo ranking, badge tiers and bragging rights on the line.