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PeopleCert DevOps-SRE Exam Questions
- Topic 1: SRE Principles and Practices: Introduces what SRE is, how it differs from DevOps, and the key principles and practices that define it.
- Topic 2: Service Level Objectives and Error Budgets: Builds understanding of SLOs, error budgets, and the policies that govern how those budgets are used.
- Topic 3: Reducing Toil: Examines the harmful effects of toil and the human and organisational opportunities for diminishing it.
- Topic 4: Monitoring and Service Level Indicators: Presents SLIs and their link to SLOs, alongside the monitoring landscape, observability, and the setting of measurable service objectives.
- Topic 5: SRE Tools and Automation: Surveys automation in DevOps and SRE, covering its types, security uses, progressive deployments, AIOps, VSM Platforms, Platform Engineering, Generative AI use cases, and the wider tooling landscape.
- Topic 6: Anti-Fragility and Learning from Failure: Highlights the value of learning from failure through anti-fragility, chaos engineering, and a shift in organizational balance.
- Topic 7: Organisational Impact of SRE: Describes what organisations gain from embracing SRE, including adoption patterns, sustainable incident response, blameless post-mortems, and scaling SRE.
- Topic 8: SRE, Other Frameworks, The Future: Places SRE alongside DevOps, Agile, ITSM, VSM, and Platform Engineering, and looks at its evolution into spinoffs like Network Reliability Engineering and Customer Reliability Engineering.
Free PeopleCert DevOps-SRE Exam Actual Questions
Note: Premium Questions for DevOps-SRE were last updated On Oct. 07, 2026 (see below)
An organization wants to establish a role to focus on batch time and re-platforming onto modern architectures.
Which of the following roles should they seek to create?
Comprehensive and Detailed Explanation From Exact Extract:
A Heritage Reliability Engineer (HRE) focuses on improving and stabilizing legacy systems, including batch processing systems and older architectures that need modernization. Google uses this concept when applying SRE principles to older platforms that cannot be easily migrated.
From Google's reliability role expansions:
''Heritage Reliability Engineering applies SRE practices to legacy systems, improving batch processing, stability, and helping teams re-platform to modern architectures.''
This role is specifically aligned with:
Batch job optimization
Migration from legacy systems
Bringing older platforms closer to SRE standards
Thus, the correct answer is B.
Google Reliability Role Models (HRE/NRE/CRE)
SRE Workbook: Modernizing Legacy Platforms
In which of the following SRE adoption models is reliability a 'first class citizen'?
Comprehensive and Detailed Explanation From Exact Extract:
In the Full SRE model, reliability becomes a first-class citizen because SREs own the complete operational responsibility for the service and apply SRE principles end-to-end. The Google SRE Book describes several adoption models (Consulting, Embedded, and Full), and only the Full SRE model has SREs fully accountable for reliability outcomes.
From the Site Reliability Engineering Book, Chapter ''SRE Engagement Models'':
''In the Full SRE model, the SRE team is responsible for end-to-end reliability. Reliability becomes a first-class objective, supported through SLOs, error budgets, and systematic reduction of toil.''
The Full model includes:
Full ownership of reliability
Enforcement of SLOs
Error budget policies
Engineering-driven improvement
Other models:
Consulting SRE gives guidance but doesn't own reliability
Embedded temporary embedding to train teams, not full ownership
Platform focuses on shared tooling, not service ownership
Thus, D. Full is correct.
Site Reliability Engineering Book, ''Engagement Models''
SRE Workbook, ''Adopting SRE in Your Organization''
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''
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