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System Design Quiz Practice
Active Recall Drill Session
← Exit Session
Question 1 of 1
medium
System Design
What makes a service 'stateless' in the horizontal-scaling sense?
A
It never stores any data anywhere, ever
B
No individual server instance holds request-relevant data that isn't also available elsewhere (a database, a cache, the request itself) — so any instance can handle any request
C
It has no database at all
D
It only serves static files
Check Answer