Which mechanism can notify servers about config changes?
Practice this question from Quiz: Centralized Dynamic Configuration System, with options and an explanation.
Question
Which mechanism can notify servers about config changes?
Option A — Correct answer
Watch API, pub/sub, WebSocket, Kafka, or long polling
Option B
Only manual SSH
Option C
Only cron restart
Option D
Only browser cookies
Explanation
Push or watch mechanisms reduce update delay.