Reliability & Failure Handling

Question 1

Reliability

Answer 1

ability of a system to operate correctly over time, under expected load and conditions.

Question 2

Fault Tolerance

Answer 2

system’s ability to continue operating correctly even if components fail.

Question 3

Uptime

Answer 3

Percentage of time a system is operational

Question 4

Resilience

Answer 4

Ability to recover quickly from failures or degraded performance

Question 5

Snapshotting

Answer 5

Save system state periodically for recovery after crash.

Question 6

Idempotency

Answer 6

Ensure repeated operations do not change result; important for safe retries.