2026 Actual PeopleCert DevOps-SRE Dumps, Updated Exam Questions for Guaranteed Pass

DevOps-SRE free sample questions and answers

PeopleCert DevOps-SRE practice quiz with correct answers for search indexing.

1. Question 1

   Which of the following BEST describes how to contribute to achieving higher levels of availability?

   Measuring the critical aspects

   Maintaining a close relationship with development teams

   Measuring staff performance

   Maintaining a close interval between detection and correction

   A1 and 2
   

   B2 and 3
   

   C3 and 4
   

   D1 and 4
   

   Correct answer: D

   Comprehensive and Detailed Explanation From Exact Extract:

   Achieving high availability in SRE practice is driven by accurate measurement of what matters and fast detection and correction of issues. According to Google's Site Reliability Engineering Book, measurement of critical user-facing signals is foundational: ''SLIs must capture the aspects of the service that are most critical to users and must be measured with high accuracy.'' (SRE Book -- Chapter: Service Level Objectives). Without measuring the critical aspects of a service---latency, errors, availability, and quality---teams cannot make informed decisions or detect degradation effectively.

   The SRE book also emphasizes reducing MTTR (Mean Time to Repair) and tightening the feedback loop between detection and correction. Google states: ''Reducing the time between detection and mitigation is one of the most effective levers for improving availability.'' (SRE Book -- Chapters on Incident Response & Monitoring). Rapid identification and resolution directly improve a system's availability and resilience.

   Option D (1 and 4) is the only choice that correctly reflects SRE principles.

   Measuring critical aspects essential for correct SLO/SLI alignment

   Maintaining a short interval between detection and correction drives higher availability

   Options including staff performance measurement or generic development relationships are not mentioned as availability-driving factors in the SRE literature.

   
   

   Site Reliability Engineering: How Google Runs Production Systems, Chapters: ''Service Level Objectives,'' ''Monitoring Distributed Systems,'' and ''Incident Response.''

2. Question 2

   Why would some Service Level Indicators require client-side data?

   AThere may be metrics affecting users that are not reflected on the server side
   

   BIt would be difficult to negotiate service level agreements with customers without client data
   

   CIt would be difficult to engineer external automation without client side data
   

   DService Level Objectives may not be achievable without client side data
   

   Correct answer: A

   Comprehensive and Detailed Explanation From Exact Extract:

   SLIs must measure user experience, and sometimes server-side metrics alone do not show the full picture. Client-side data may reveal issues such as:

   Slow networks

   Browser rendering delays

   Mobile device limitations

   CDN performance issues

   Last-mile latency

   The Site Reliability Engineering Book, Chapter ''Service Level Indicators,'' states:

   ''Server-side metrics do not always fully capture the user experience. In many cases, client-side measurements are required to understand the actual reliability delivered to users.''

   The SRE Workbook reinforces:

   ''Some SLIs require client instrumentation because user-visible performance problems may not be observable from backend systems alone.''

   Why the other options are incorrect:

   B SLA negotiation has nothing to do with SLI selection.

   C Automation engineering is unrelated to client-side measurement needs.

   D Achievability of SLOs does not determine whether client-side data is needed; accuracy of user-experience measurement does.

   Thus, the correct answer is A.

   
   

   Site Reliability Engineering Book, ''Service Level Indicators''

   SRE Workbook, ''Choosing the Right SLIs''

3. Question 3

   How does chaos engineering as an anti-fragility strategy improve Mean Time to Recover Service?

   AIt helps to identify weaknesses and dependencies pinpointing areas where more resilience may be required
   

   BIt optimizes monitoring tools making it more likely we will detect real incidents
   

   CIt creates automation for auto-recovery
   

   DCaching data in the case of a database outage instead could mean the SLO is met
   

   Correct answer: A

   Comprehensive and Detailed Explanation From Exact Extract:

   Chaos engineering is an SRE-aligned practice where systems are intentionally subjected to controlled failure scenarios so teams can observe how the system responds. This practice supports anti-fragility, meaning the system becomes stronger through exposure to failure.

   The SRE Workbook, Chapter ''Handling Overload'' and Chaos Engineering sections, explains:

   ''Injecting failure in a controlled environment exposes the hidden dependencies, weaknesses, and systemic risks that only appear under stress.''

   The Site Reliability Engineering Book reinforces this concept:

   ''By understanding how systems behave during partial failures, teams can make targeted improvements that reduce recovery time during real incidents.''

   Improving Mean Time to Recover (MTTR) happens because:

   Weak points and bottlenecks are identified early

   Engineers gain familiarity with failure modes

   Systems are hardened ahead of actual outages

   Dependencies that cause cascading failures are revealed

   Why other options are incorrect:

   B Monitoring optimization is helpful but not the core mechanism of chaos engineering.

   C Chaos engineering does not create auto-recovery automation; it reveals where it is required.

   D Caching is an architectural resilience strategy, not an outcome of chaos engineering itself.

   Thus, A is the correct answer.

   
   

   SRE Workbook, ''Chaos Engineering''

   Site Reliability Engineering Book, ''Managing Critical State''

4. Question 4

   What is the goal of SRE?

   ATo spend 50% of a SRE's time on operational tasks and 50% of the time on development tasks to reduce toil
   

   BTo ensure that Service Level Objectives are consistently met through monitoring and observability
   

   CTo create highly reliable post-deployment operational systems that align with DevOps and Agile
   

   DTo create ultra-scalable and highly reliable distributed software systems
   

   Correct answer: D

   Comprehensive and Detailed Explanation From Exact Extract:

   The goal of Site Reliability Engineering (SRE) is to create ultra-scalable and highly reliable distributed software systems. This principle is clearly articulated in the foundational text of SRE, the Google Site Reliability Engineering book.

   From Chapter 1: Introduction of the Site Reliability Engineering book:

   'SRE is what happens when you ask a software engineer to design an operations team. Our approach to service management is rooted in our belief that engineering work to create scalable and highly reliable systems is critical to the success of modern software.'

   --- Site Reliability Engineering Book, Chapter 1

   This statement establishes that building and maintaining scalable, reliable systems is the core mission of SRE. While concepts like reducing toil (option A), implementing SLOs (option B), and aligning with DevOps (option C) are vital components of the SRE practice, they support the overarching goal --- which is option D.

   Therefore, the correct answer is D: To create ultra-scalable and highly reliable distributed software systems.

   
   

   Site Reliability Engineering Book --- Chapter 1: Introduction

   https://sre.google/books/

   The Site Reliability Workbook --- Google SRE

   Google Cloud Blog: An Overview of SRE

5. Question 5

   Which of the following BEST describes capacity planning?

   AMonitoring the percentage of capacity of resources being used over a time period
   

   BActivities performed to manage provider resources and provide multiple services
   

   CActivities used to create a plan that manages resources to meet service demand
   

   DDetermining the maximum amount that any resource can accommodate or deliver
   

   Correct answer: C

   Comprehensive and Detailed Explanation From Exact Extract:

   SRE defines capacity planning as the discipline of ensuring that a system has enough resources to meet expected demand, both now and in the future. The SRE Book states: ''Capacity planning ensures that services have sufficient resources available to meet reliability and performance targets, accounting for growth, trends, and forecasted usage.'' (SRE Book -- Chapter: Capacity Planning). This involves forecasting workloads, analyzing trends, and creating plans to scale infrastructure so that service-level objectives can continue to be met.

   Option C correctly describes capacity planning as creating a resource management plan to meet demand.

   Option A refers to capacity monitoring, not planning.

   Option B reflects generic resource management or cloud provider operations, not SRE capacity planning.

   Option D refers to determining maximum capacity, which is a measurement activity---not full planning.

   Thus, C is the correct SRE-aligned answer.

   
   

   Site Reliability Engineering, Chapter: ''Capacity Planning.''

   The Site Reliability Workbook, examples of forecasting and growth planning.