Data Collection & Monitoring Flashcards
7 cards from real CMO practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Data Collection & Monitoring flashcards as text
When a Mobilyze monitoring alert is set to 'acknowledge-required,' what happens if the alert fires but is not acknowledged?
Answer: The alert remains active and may escalate to additional contacts per the escalation policy
Acknowledge-required alerts remain open and escalate through the defined notification chain until a responsible operator confirms receipt and action.
What is the advantage of using structured data formats (such as JSON or CSV) over unstructured text for field data collection?
Answer: Structured formats enable automated parsing, validation, and integration with downstream systems
Structured formats provide machine-readable field delimiters and data types that allow automated systems to parse, validate, and integrate records without manual interpretation.
A monitoring system is configured to collect temperature readings every 5 minutes. The data retention policy stores raw data for 30 days, then aggregates to hourly averages. What is the primary benefit of this tiered retention approach?
Answer: It reduces long-term storage costs while preserving trend-level historical analysis
Tiered retention reduces storage volume for historical data by replacing high-frequency raw records with aggregated summaries once fine resolution is no longer needed.
Which condition would cause a rate-of-change alert to trigger even when the current sensor value is within its normal absolute range?
Answer: The value changes faster than the configured maximum rate between consecutive readings
Rate-of-change alerts detect unusually rapid shifts between readings, catching scenarios where the current value is still within range but is moving toward a threshold dangerously fast.
In a Mobilyze deployment, what does 'data normalization' refer to during the ingestion phase?
Answer: Converting data from diverse sources into a consistent format, unit, and scale for unified analysis
Normalization during ingestion transforms heterogeneous source data into a standardized schema with consistent units and formats, enabling reliable cross-source analysis.
A field device consistently submits duplicate records for the same event. Which server-side mechanism is best suited to prevent duplicate storage?
Answer: Idempotency keys or unique record identifiers that reject re-submissions of already-stored records
Idempotency keys allow the server to detect and discard re-submissions of records it has already stored, preventing duplicates without blocking legitimate retries.
What is the purpose of configuring a 'maintenance window' in a Mobilyze monitoring system?
Answer: To suppress alerts during planned downtime so that expected offline periods do not generate false alarms
Maintenance windows tell the monitoring system to expect and ignore alert conditions during scheduled downtime, preventing false alarms from planned service interruptions.