What are common failure modes in telemetry systems and how can they be mitigated?

• A. Data loss, latency, device miscalibration, authentication failure, and network outages; mitigations include redundancy, robust authentication, offline buffering, and sustained monitoring.
• B. Telemetry systems are always reliable; no failures occur.
• C. Failures happen only in hardware sensors; software is perfect.
• D. The only fix is replacing the entire system after failure.

Answer: (B)