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PeopleCert DevOps SRE Exam Questions
- Topic 1: Culture: Reliability @ Scale, Shift-Left “Wisdom of Productionâ€, Learn from Failure, and Continuous Learning: This section measures the skills of DevOps Engineers and emphasizes the importance of fostering a culture that prioritizes reliability, encourages learning from failures, and promotes continuous improvement through the "wisdom of production" principles.
- Topic 2: Toil Reduction: This section measures the skills of Site Reliability Engineers and focuses on minimizing non-value-added work by leveraging tooling, automation, value stream mapping (VSM), and platform engineering to enhance efficiency.
- Topic 3: TSLAs/SLOs/SLIs: This section measures the skills of DevOps Engineers and covers key metrics such as availability, latency, and response time, including how to manage error budgets effectively to maintain service performance.
- Topic 4: Measurements: This section measures the skills of Site Reliability Engineers and emphasizes the importance of observability, monitoring, telemetry, instrumentation, and the use of AIOps for effective system performance management.
- Topic 5: Anti-Fragility: This section measures the skills of DevOps Engineers and focuses on improving system resilience through practices such as fire drills, chaos engineering, security measures, and automation strategies.
- Topic 6: Work Sharing: This section measures the skills of Operations Managers and addresses managing technical debt incrementally while balancing operational loads across development, operations, and on-call responsibilities.
- Topic 7: Deployments: This section measures the skills of DevOps Engineers and covers progressive deployment strategies such as blue/green deployments, A/B testing, canary releases, automation scripts, and monitoring to ensure smooth transitions.
- Topic 8: Performance Management: This section measures the skills of Site Reliability Engineers and focuses on techniques for monitoring application performance management (APM), capacity testing, auto-scaling strategies, and AIOps integration.
- Topic 9: Incident Management: This section measures the skills of Incident Response Teams and covers emergency response protocols, on-call procedures, and conducting blameless retrospectives to improve future incident handling.
Free PeopleCert DevOps SRE Exam Actual Questions
Note: Premium Questions for DevOps SRE were last updated On Aug. 21, 2026 (see below)
Service Level Indicator data helps to understand how much Error Budget is left.
TRUE or FALSE?
Comprehensive and Detailed Explanation From Exact Extract:
Service Level Indicators (SLIs) provide the quantitative measurements needed to determine how much of the Service Level Objective (SLO) has been consumed. Since the error budget is defined as the allowable amount of unreliability, SLI data is the source of truth for calculating how much of that budget remains.
From the Site Reliability Engineering Book, Chapter ''Service Level Objectives'':
''SLIs provide the measurements used to determine compliance with SLOs. Error budgets are computed directly from the SLI measurements over the defined time window.''
The SRE Workbook further explains:
''Error budgets quantify the inverse of SLO performance. SLIs provide the raw data that allow teams to calculate how much of the budget has been consumed and how much remains.''
Thus, SLI data is the Only mechanism that determines remaining error budget.
Therefore, the statement is True.
Site Reliability Engineering Book, ''Service Level Objectives''
SRE Workbook, ''Implementing SLIs and SLOs''
An organization is experiencing significant turnover of IT operational staff with most not staying more than one year. The HR Director and IT Director are trying to determine why they are having difficulty retaining IT operations professionals.
What could be one of the reasons?
Comprehensive and Detailed Explanation From Exact Extract:
High turnover in IT operations roles is often driven by a combination of factors, not just one. The Google SRE Book, Chapter ''Eliminating Toil,'' outlines that excessive toil, unpredictable work, and overload contribute to burnout and churn:
''Excessive operational workload and interrupt-driven work lead to burnout and high attrition among engineering and operational staff.''
The SRE Workbook adds:
''Teams overwhelmed with toil struggle to innovate, automate, or develop new skills, creating frustration and increasing turnover.''
Each option listed represents a recognized driver of burnout in SRE and operations environments:
Overload and disruptive work patterns are known contributors to burnout.
Lack of time for skills development demotivates engineers and prevents career growth.
Backlog-driven cultures force teams into reactive rather than proactive work.
The combination of these factors matches common causes of attrition in operations teams. Therefore, all of the above is the correct answer.
Site Reliability Engineering Book, ''Eliminating Toil''
SRE Workbook, ''Addressing Operational Overload''
Which type of engineering work will reduce toil within the service?
Comprehensive and Detailed Explanation From Exact Extract:
Toil-reduction engineering focuses on making the service itself easier to operate. The most direct way to achieve this is through internal automation --- automation built into the service that eliminates repetitive, manual operational tasks.
The Site Reliability Engineering Book, Chapter ''Eliminating Toil,'' states:
''Automation that replaces manual, repetitive operational tasks is the primary mechanism for reducing toil. The most effective form of toil reduction is automation that is integrated directly into the service itself.''
The SRE Workbook reinforces:
''Internal automation contributes directly to service reliability and reduces the operational burden by ensuring that manual tasks are permanently removed.''
Why the other options are not the best answer:
A Continuous delivery pipelines reduce release friction but do not directly remove service-operational toil.
B External scripts and tools help but are less effective and harder to maintain than internal automation.
C Scalable infrastructure reduces linear-scaling toil but does not address broader operational burdens.
Thus, the correct answer is D.
Site Reliability Engineering Book, ''Eliminating Toil''
SRE Workbook, ''Toil Reduction Approaches''
What does the term "wisdom of production" mean?
Comprehensive and Detailed Explanation From Exact Extract:
The term ''wisdom of production'' refers to the insights gained from real systems running under actual production conditions. Only production environments exhibit real user behavior, real workloads, true performance characteristics, and authentic failure modes. This concept is rooted in the SRE philosophy that production is the ultimate source of truth for understanding system behavior.
From the SRE Workbook, Chapter ''Monitoring'':
''Only production provides the full truth about how a system behaves under real workloads. Production is the ultimate source of wisdom about the system.''
This makes clear that wisdom gained from production is indispensable. Testing and staging environments cannot reproduce all real-world variables, usage patterns, and failure pathways.
Why the other options are incorrect:
A describes engineering approaches but does not define ''wisdom of production.''
C is incorrect because staging environments do not provide production wisdom.
D relates to automation strategy, not production insights.
Thus, the accurate meaning of the term is B --- The wisdom gained from something running in production.
Site Reliability Engineering Workbook, ''Monitoring'' Chapter
Site Reliability Engineering Book, ''Practical Alerting'' and ''Production Readiness'' Sections
Which of the following BEST describes the most important rationale for NOT seeking an SLO of 100% availability?
Comprehensive and Detailed Explanation From Exact Extract:
The SRE Book clearly states: ''A target of 100% availability is neither realistic nor economically viable at scale.'' Complex distributed systems inherently experience failures, network issues, hardware faults, and dependency outages. SRE emphasizes embracing this reality through error budgets, which assume some failure and allow engineering resources to be used efficiently.
The primary reason not to set 100% availability is that it is impossible to achieve reliably and leads to wasted engineering effort. SRE states: ''Chasing perfect reliability leads to dramatically increasing costs with diminishing returns.''
Option A captures this rationale precisely.
Options B, C, and D are secondary or incorrect interpretations and do not come directly from SRE principles.
Thus, A is the correct SRE-aligned answer.
Site Reliability Engineering, Chapter: ''Service Level Objectives.''
The Site Reliability Workbook, sections on Error Budgets and realistic SLOs.
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