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Node.js Quiz Practice
Active Recall Drill Session
← Exit Session
Question 1 of 1
medium
Node.js
A team only investigates event-loop responsiveness after users report slowness. What's the gap in this approach?
A
There's no gap, this is sufficient
B
Without continuous monitoring, blocking issues are invisible until a symptom is noticed — by which point real users have already been affected
C
User reports are always more accurate than metrics
D
Event-loop delay can't be monitored proactively at all
Check Answer