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Cloud · Observability interview questions

24 Cloud · Observability questions from the Cloud bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.

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1. What is Metric?

Junior
  1. A.following a single request as it traverses multiple services to find latency sources
  2. B.Service Level Objective; a target threshold for an SLI over a measurement window
  3. C.a numeric measurement of a system attribute sampled over time, like CPU utilization
  4. D.Service Level Indicator; a measured quantity reflecting service quality, like error rate

Answer + AI explanation with Pro

2. Which term means: "a numeric measurement of a system attribute sampled over time, like CPU utilization"?

Junior
  1. A.Error Budget
  2. B.Metric
  3. C.SLO
  4. D.Structured Logging

Answer + AI explanation with Pro

3. Which statement is correct?

Junior
  1. A.Metric — Service Level Objective; a target threshold for an SLI over a measurement window
  2. B.Metric — Service Level Indicator; a measured quantity reflecting service quality, like error rate
  3. C.Metric — a numeric measurement of a system attribute sampled over time, like CPU utilization
  4. D.Metric — the number of unique label combinations in metrics, a key driver of monitoring cost

Answer + AI explanation with Pro

4. What is Structured Logging?

Junior
  1. A.the allowed amount of unreliability under an SLO before changes are halted
  2. B.Service Level Objective; a target threshold for an SLI over a measurement window
  3. C.a numeric measurement of a system attribute sampled over time, like CPU utilization
  4. D.emitting logs as machine-parsable key-value records, typically JSON

Answer + AI explanation with Pro

5. Which term means: "emitting logs as machine-parsable key-value records, typically JSON"?

Junior
  1. A.SLO
  2. B.Distributed Tracing
  3. C.SLI
  4. D.Structured Logging

Answer + AI explanation with Pro

6. Which statement is correct?

Junior
  1. A.Structured Logging — the allowed amount of unreliability under an SLO before changes are halted
  2. B.Structured Logging — emitting logs as machine-parsable key-value records, typically JSON
  3. C.Structured Logging — a vendor-neutral standard and SDK for generating metrics, logs, and traces
  4. D.Structured Logging — Service Level Objective; a target threshold for an SLI over a measurement window

Answer + AI explanation with Pro

7. What is Distributed Tracing?

Mid
  1. A.the allowed amount of unreliability under an SLO before changes are halted
  2. B.emitting logs as machine-parsable key-value records, typically JSON
  3. C.following a single request as it traverses multiple services to find latency sources
  4. D.Service Level Objective; a target threshold for an SLI over a measurement window

Answer + AI explanation with Pro

8. Which term means: "following a single request as it traverses multiple services to find latency sources"?

Mid
  1. A.Error Budget
  2. B.Distributed Tracing
  3. C.Cardinality
  4. D.SLI

Answer + AI explanation with Pro

9. Which statement is correct?

Mid
  1. A.Distributed Tracing — a vendor-neutral standard and SDK for generating metrics, logs, and traces
  2. B.Distributed Tracing — following a single request as it traverses multiple services to find latency sources
  3. C.Distributed Tracing — the allowed amount of unreliability under an SLO before changes are halted
  4. D.Distributed Tracing — the number of unique label combinations in metrics, a key driver of monitoring cost

Answer + AI explanation with Pro

10. What is SLI?

Mid
  1. A.following a single request as it traverses multiple services to find latency sources
  2. B.Service Level Indicator; a measured quantity reflecting service quality, like error rate
  3. C.a vendor-neutral standard and SDK for generating metrics, logs, and traces
  4. D.the allowed amount of unreliability under an SLO before changes are halted

Answer + AI explanation with Pro

11. Which term means: "Service Level Indicator; a measured quantity reflecting service quality, like error rate"?

Mid
  1. A.SLO
  2. B.Cardinality
  3. C.OpenTelemetry
  4. D.SLI

Answer + AI explanation with Pro

12. Which statement is correct?

Mid
  1. A.SLI — Service Level Indicator; a measured quantity reflecting service quality, like error rate
  2. B.SLI — Service Level Objective; a target threshold for an SLI over a measurement window
  3. C.SLI — the allowed amount of unreliability under an SLO before changes are halted
  4. D.SLI — following a single request as it traverses multiple services to find latency sources

Answer + AI explanation with Pro

13. What is SLO?

Mid
  1. A.the number of unique label combinations in metrics, a key driver of monitoring cost
  2. B.Service Level Objective; a target threshold for an SLI over a measurement window
  3. C.the allowed amount of unreliability under an SLO before changes are halted
  4. D.a vendor-neutral standard and SDK for generating metrics, logs, and traces

Answer + AI explanation with Pro

14. Which term means: "Service Level Objective; a target threshold for an SLI over a measurement window"?

Mid
  1. A.SLO
  2. B.SLI
  3. C.Distributed Tracing
  4. D.Structured Logging

Answer + AI explanation with Pro

15. Which statement is correct?

Mid
  1. A.SLO — following a single request as it traverses multiple services to find latency sources
  2. B.SLO — Service Level Objective; a target threshold for an SLI over a measurement window
  3. C.SLO — a vendor-neutral standard and SDK for generating metrics, logs, and traces
  4. D.SLO — emitting logs as machine-parsable key-value records, typically JSON

Answer + AI explanation with Pro

16. What is Error Budget?

Senior
  1. A.a numeric measurement of a system attribute sampled over time, like CPU utilization
  2. B.following a single request as it traverses multiple services to find latency sources
  3. C.the number of unique label combinations in metrics, a key driver of monitoring cost
  4. D.the allowed amount of unreliability under an SLO before changes are halted

Answer + AI explanation with Pro

17. Which term means: "the allowed amount of unreliability under an SLO before changes are halted"?

Senior
  1. A.Error Budget
  2. B.OpenTelemetry
  3. C.Distributed Tracing
  4. D.Structured Logging

Answer + AI explanation with Pro

18. Which statement is correct?

Senior
  1. A.Error Budget — following a single request as it traverses multiple services to find latency sources
  2. B.Error Budget — the allowed amount of unreliability under an SLO before changes are halted
  3. C.Error Budget — emitting logs as machine-parsable key-value records, typically JSON
  4. D.Error Budget — Service Level Objective; a target threshold for an SLI over a measurement window

Answer + AI explanation with Pro

19. What is Cardinality?

Senior
  1. A.following a single request as it traverses multiple services to find latency sources
  2. B.emitting logs as machine-parsable key-value records, typically JSON
  3. C.Service Level Objective; a target threshold for an SLI over a measurement window
  4. D.the number of unique label combinations in metrics, a key driver of monitoring cost

Answer + AI explanation with Pro

20. Which term means: "the number of unique label combinations in metrics, a key driver of monitoring cost"?

Senior
  1. A.Distributed Tracing
  2. B.SLI
  3. C.Cardinality
  4. D.SLO

Answer + AI explanation with Pro

21. Which statement is correct?

Senior
  1. A.Cardinality — Service Level Indicator; a measured quantity reflecting service quality, like error rate
  2. B.Cardinality — a numeric measurement of a system attribute sampled over time, like CPU utilization
  3. C.Cardinality — emitting logs as machine-parsable key-value records, typically JSON
  4. D.Cardinality — the number of unique label combinations in metrics, a key driver of monitoring cost

Answer + AI explanation with Pro

22. What is OpenTelemetry?

Senior
  1. A.following a single request as it traverses multiple services to find latency sources
  2. B.a vendor-neutral standard and SDK for generating metrics, logs, and traces
  3. C.emitting logs as machine-parsable key-value records, typically JSON
  4. D.the allowed amount of unreliability under an SLO before changes are halted

Answer + AI explanation with Pro

23. Which term means: "a vendor-neutral standard and SDK for generating metrics, logs, and traces"?

Senior
  1. A.OpenTelemetry
  2. B.Structured Logging
  3. C.Metric
  4. D.Cardinality

Answer + AI explanation with Pro

24. Which statement is correct?

Senior
  1. A.OpenTelemetry — following a single request as it traverses multiple services to find latency sources
  2. B.OpenTelemetry — emitting logs as machine-parsable key-value records, typically JSON
  3. C.OpenTelemetry — a vendor-neutral standard and SDK for generating metrics, logs, and traces
  4. D.OpenTelemetry — Service Level Indicator; a measured quantity reflecting service quality, like error rate

Answer + AI explanation with Pro

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