Exam Overview
| Exam Code | DevOps-SRE |
| Exam Name | PeopleCert DevOps Site Reliability Engineer (SRE) |
| Vendor | PeopleCert |
| Total Questions | 80 |
| Last Updated | 26-Oct, 2026 |
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Free DevOps-SRE Practice Questions
Explore 10 free practice questions for the PeopleCert DevOps-SRE exam and review the answers and explanations to support your preparation.
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Question 1
Single answerWhich of the following BEST describes an advantage of a container-based structure?
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Option A:Correct
The portability created by containers enables software to run independently of the host operating system
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Option B:Correct
The lightweight nature of containers requires fewer developers to actually create the software code
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Option C:Correct
Software runs much more efficiently in containers because of the ability to run on virtual machines
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Option D:Correct
The security of applications in containers is simplified because they share the security of the host system
Show Answer & Explanation Hide Answer & Explanation
Correct Answer: A
Explanation
Comprehensive and Detailed Explanation From Exact Extract:
Containers provide a major advantage that aligns with SRE: portability and environment consistency. The SRE Workbook describes containers as: “lightweight, portable units that encapsulate applications and dependencies, ensuring consistent behavior across environments.” This independence from the host OS environment enables predictable deployments and simplifies automation, scaling, and orchestration especially when used with Kubernetes.
Option A captures this exact benefit: portability and independence from the host OS.
Option B is incorrect containers do not reduce the number of developers required.
Option C incorrectly claims that efficiency comes from virtual machines; containers are typically more efficient because they avoid VM overhead, not leverage it.
Option D is incorrect containers do not “inherit” security automatically; in fact, they require additional security controls.
Thus, A is the correct answer.
[References:, The Site Reliability Workbook, Sections on containers, Docker, and Kubernetes., Site Reliability Engineering, containerization and orchestration discussions., , ] -
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Question 2
Single answerWhich of the following BEST describes the capabilities and scope of DevOps continuous monitoring?
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Option A:Correct
The application of widespread system event monitoring by automating the end-user transactions
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Option B:Correct
The combination of tools and the process for rapid incident detection and response of cloud services
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Option C:Correct
The use of multiple monitoring tools and an event management process for all applications
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Option D:Correct
The deployment of a set of integrated monitoring tools and event thresholds for infrastructure
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Correct Answer: B
Explanation
Comprehensive and Detailed Explanation From Exact Extract:
SRE and DevOps share a common view of continuous monitoring—a holistic approach that enables rapid detection, diagnosis, and response across all parts of the system. The SRE Book states: “Monitoring must enable fast detection of anomalies, quick diagnosis, and effective incident response.” Continuous monitoring includes application metrics, infrastructure signals, logs, traces, service health, and user-experience telemetry.
Option B captures this accurately: a combination of tools and processes enabling rapid incident detection and response, especially for cloud services.
Option A is partially correct but too narrow (only end-user transactions).
Option C is generic and does not emphasize continuous or rapid detection.
Option D describes infrastructure monitoring only—not full DevOps/SRE continuous monitoring.
Thus, B is the correct answer.
[References:, Site Reliability Engineering, Chapter: “Monitoring Distributed Systems.”, The Site Reliability Workbook, Observability and Monitoring., ] -
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Question 3
Single answerWhich of the following BEST describe the characteristics of a product team?
They are small and collaborative
They have cross-functional skillsets
They do not share responsibilities
They discourage any feedback-
Option A:Correct
1 and 2
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Option B:Correct
2 and 3
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Option C:Correct
3 and 4
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Option D:Correct
1 and 4
Show Answer & Explanation Hide Answer & Explanation
Correct Answer: A
Explanation
Comprehensive and Detailed Explanation From Exact Extract:
Modern SRE-aligned organizations use small, cross-functional product teams capable of owning design, development, testing, and operational reliability. The SRE Book emphasizes: “Effective service ownership arises from small, autonomous teams with diverse skillsets and strong collaboration habits.” These teams share responsibility, encourage feedback, and maintain open communication to meet reliability goals.
Option A correctly identifies the two positive characteristics:
Small and collaborative
Cross-functional skillsets
Options 3 and 4 represent dysfunctional behaviors—SRE literature explicitly discourages responsibility silos and discouraging feedback, as these reduce reliability and slow incident learning.
Thus, A is the correct answer.
[References:, Site Reliability Engineering, Chapter: “Organization and Culture.”, The Site Reliability Workbook, discussions on product-oriented team structures., ] -
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Question 4
Single answerWhich of the following BEST illustrates the role of a launch coordination engineer?
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Option A:Correct
A server engineer who is focused on roiling out a dynamically scaled application hosting environment
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Option B:Correct
A software developer focused on building an efficient application startup and shutdown performance
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Option C:Correct
A software engineer who acts as a consultant and liaison between the parties Involved in a launch
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Option D:Correct
A site reliability engineer who b focused on stabilizing manual tuning and event monitoring activities
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Correct Answer: C
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Question 5
Single answerWhich or the following BEST describes a business continuity plan?
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Option A:Correct
The way me organization maintains operations during a disaster
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Option B:Correct
The way mat data, flies applications, and systems are restored
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Option C:Correct
The activity of returning a configuration item back to normal
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Option D:Correct
The management of risks that seriously affect the organization
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Correct Answer: A
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Question 6
Single answerWhen applied to service levels, the principle of decreasing marginal productivity can be represented in three stages. Which of the following is NOT one of these stages?
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Option A:Correct
Negative returns
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Option B:Correct
Increasing returns
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Option C:Correct
Diminishing returns
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Option D:Correct
Possible returns
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Correct Answer: D
Explanation
Comprehensive and Detailed Explanation From Exact Extract:
SRE applies economic principles, including diminishing marginal returns, to reliability engineering. As per the SRE Book: “Improving reliability becomes more expensive as the target approaches 100%, moving from increasing returns, to diminishing returns, and eventually negative returns.” (SRE Book – SLO Economics). This framework helps explain why striving for 100% availability is impractical and cost-ineffective.
The three recognized stages are:
Increasing returns – early improvements are inexpensive and highly impactful
Diminishing returns – costs rise while benefits shrink
Negative returns – achieving additional “nines” may reduce value due to slowed innovation
“Possible returns” is not part of this model.
Thus, D is the correct answer.
[References:, Site Reliability Engineering, Chapter: “Service Level Objectives.”, ] -
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Question 7
Single answerWhich of the following BEST illustrates the engineering approach for work done within SRE?
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Option A:Correct
An SRE is rapidly coding a solution to automate a daily tuning activity by following a set of best practices and principles.
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Option B:Correct
An SRE is designing a solution to eliminate toil and scale up service delivery by learning from other successful solutions.
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Option C:Correct
An SRE is deploying a solution using an end-to-end pipeline that has been carefully analyzed from the start.
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Option D:Correct
An SRE is resolving an incident as quickly as possible using a well-designed implemented process and knowledge base.
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Correct Answer: B
Explanation
Comprehensive and Detailed Explanation From Exact Extract:
Google defines SRE as “what happens when you ask a software engineer to design an operations function.” (SRE Book – Introduction). The core engineering approach in SRE focuses on:
Eliminating toil
Building scalable systems
Applying software engineering to operational challenges
Learning from previous solutions and patterns
The SRE Book emphasizes: “SREs focus on designing and engineering solutions that reduce manual operations and scale service delivery.” (Chapter: Eliminating Toil). This aligns directly with Option B: designing a solution to eliminate toil and scale service delivery, informed by prior successful engineering patterns.
Option A focuses only on automating a single tuning activity—not holistic engineering.
Option C describes deployment, not engineering approach to operations.
Option D is about incident response, not engineering strategy.
Thus, B is the best representation of SRE’s engineering approach.
[References:, Site Reliability Engineering, Chapters: “What Is SRE?”, “Eliminating Toil.”, The Site Reliability Workbook, Engineering scalable solutions., ] -
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Question 8
Single answerIf an organization wants to promote changes automatically and reduce dependency errors, what steps should they take?
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Option A:Correct
Ensure that the artifacts used to deploy system components are tested and visible externally
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Option B:Correct
Ensure that they use only verified and signed artifacts to deploy system components
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Option C:Correct
Ensure that Error Budgets are agreed with oversight and policies
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Option D:Correct
Establish Service Level Objectives that define how artifacts are signed and verified
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Correct Answer: B
Explanation
Comprehensive and Detailed Explanation From Exact Extract:
Using verified and signed artifacts is essential for safe automation, ensuring that deployments are consistent and free of dependency or supply chain errors. This is a fundamental principle in Google’s release engineering and SRE practices.
The Site Reliability Engineering Book, chapter “Release Engineering,” states:
“Releases should be built once, tested, signed, and stored in a secure repository. Only signed and verified artifacts should be promoted to production to prevent configuration drift and dependency inconsistencies.”
The SRE Workbook echoes this:
“Automated promotions depend on the integrity and immutability of artifacts. Signed artifacts ensure consistency and prevent errors related to mismatched dependencies.”
Why the other options are incorrect:
A External visibility is irrelevant and may create security risks.
C Error budgets relate to reliability, not artifact promotion.
D SLOs do not define artifact signing; this is handled by release engineering processes.
Thus, the correct answer is B.
[References:, Site Reliability Engineering Book, “Release Engineering”, SRE Workbook, “Automation and Safe Releases”, , ] -
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Question 9
Single answerWhich of the following is the BEST example or an SRE team that embraces full-service ownership?
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Option A:Correct
The team is responsible for the cooing and improvement of me application.
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Option B:Correct
The team is accountable for the application development and performance.
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Option C:Correct
The team is responsible for application performance and reliability aspects.
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Option D:Correct
The team is accountable for coding shipping and improving the application
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Correct Answer: D
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Question 10
Single answerWhich of the following BEST describes how to contribute to achieving higher levels of availability?
1. Measuring the critical aspects
2. Maintaining a close relationship with development teams
3. Measuring staff performance
4. Maintaining a close interval between detection and correction
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Option A:Correct
1 and 2
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Option B:Correct
2 and 3
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Option C:Correct
3 and 4
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Option D:Correct
1 and 4
Show Answer & Explanation Hide Answer & Explanation
Correct Answer: D
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