Flashcards Review

Use these flashcards to review the key ideas from this chapter before you take the assessment. Each card shows a term or question on the front and a short answer on the back. Try to answer first, then flip to check. The deck covers what a heartbeat is, why failure detection matters, central and decentralized monitoring, the interval and the timeout, the path from a missed beat to a declared death, false positives, and where heartbeats show up in real systems.

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