Multiple ChoiceBeginner 45s
A/B assignment via hashing
An experiment platform assigns users to variants deterministically. Which method gives stable assignment without storing every mapping?
Options
- 1Randomly assigning a variant on every single request
- 2Sorting all users alphabetically once each new day
- 3Hashing a stable user identifier modulo the number of buckets
- 4Using the current request timestamp as the seed value
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.