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System Design Quiz Practice
Active Recall Drill Session
← Exit Session
Question 1 of 1
easy
System Design
What is 'long polling'?
A
A synonym for WebSocket
B
The client sends a request, the server holds it open without responding until there's actually new data, then responds, and the client immediately re-issues a new request
C
A technique for load balancing WebSocket connections
D
Polling a database at long intervals
Check Answer