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 designing a data collection form for field use, which best practice reduces data entry errors for categorical fields?
Answer: Dropdown menus or radio buttons with predefined options
Constrained input controls like dropdowns restrict entries to valid choices, eliminating spelling errors and non-standard values at the point of collection.
A dashboard shows that one data stream has a 15% packet loss rate. What is the most likely operational impact?
Answer: Gaps in the monitoring timeline and potentially missed alerts
Packet loss creates gaps in the data timeline, which can cause missed alert conditions and incomplete records that compromise monitoring integrity.
Which data compression strategy is most appropriate when transmitting sensor data over a low-bandwidth mobile connection?
Answer: Delta encoding that transmits only changes from the last reported value
Delta encoding reduces payload size significantly for slowly changing sensor data by transmitting only the difference from the previous value rather than full readings.
What is a 'dead band' setting in a monitoring configuration?
Answer: A range around a threshold within which small fluctuations do not trigger repeated alerts
A dead band defines a tolerance range around a threshold so that minor oscillations near the threshold do not cause rapid repeated alert toggling.
In Mobilyze, what is the correct action when a mandatory field in a data collection form is left blank upon submission attempt?
Answer: Submission is blocked and the operator is prompted to complete the required field
Mandatory field validation blocks form submission and directs the operator to the empty field, ensuring data completeness at the point of entry.
A field team is collecting data in an area with intermittent GPS signal. Which fallback positioning method provides the next best location accuracy?
Answer: Wi-Fi positioning using nearby access point triangulation
Wi-Fi positioning uses nearby access point signals to estimate location and typically offers better accuracy than cell tower triangulation in urban environments.
Which metric is most useful for evaluating the overall reliability of a remote monitoring data pipeline?
Answer: Data completeness ratio (percentage of expected records actually received)
Data completeness ratio directly measures how often expected data arrives successfully, capturing the end-to-end reliability of the entire collection and transmission pipeline.