{"id":10042,"date":"2023-04-29T10:53:09","date_gmt":"2023-04-29T10:53:09","guid":{"rendered":"https:\/\/www.scmgalaxy.com\/tutorials\/?p=10042"},"modified":"2023-06-19T13:30:25","modified_gmt":"2023-06-19T13:30:25","slug":"top-50-sre-interview-questions-with-answers","status":"publish","type":"post","link":"https:\/\/www.scmgalaxy.com\/tutorials\/top-50-sre-interview-questions-with-answers\/","title":{"rendered":"Top 50 SRE Interview Questions with Answers"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.scmgalaxy.com\/tutorials\/wp-content\/uploads\/2023\/04\/image-12-1024x503.png\" alt=\"\" class=\"wp-image-10043\" width=\"687\" height=\"337\" srcset=\"https:\/\/www.scmgalaxy.com\/tutorials\/wp-content\/uploads\/2023\/04\/image-12-1024x503.png 1024w, https:\/\/www.scmgalaxy.com\/tutorials\/wp-content\/uploads\/2023\/04\/image-12-300x147.png 300w, https:\/\/www.scmgalaxy.com\/tutorials\/wp-content\/uploads\/2023\/04\/image-12-768x377.png 768w, https:\/\/www.scmgalaxy.com\/tutorials\/wp-content\/uploads\/2023\/04\/image-12.png 1100w\" sizes=\"auto, (max-width: 687px) 100vw, 687px\" \/><figcaption class=\"wp-element-caption\"><strong><em>SRE Interview Questions with Answers<\/em><\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">1. What is SRE?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. Site Reliability Engineering<br>B. System Requirements Engineering<br>C. Software Risk Evaluation<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: A<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">2. What initiatives have you driven as an SRE?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: The answer to this question would depend on your experience as an SRE, but you should highlight any initiatives you&#8217;ve driven to improve system reliability or enhance the customer user experience.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">3. What is the difference between SLI, SLO, and SLA?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. There is no difference between SLI, SLO, and SLA.<br>B. SLI measures service level objectives, SLO measures service level agreements, and SLA measures service level indicators.<br>C. SLI measures service level indicators, SLO measures service level objectives, and SLA measures service level agreements.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: C<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">4. What is &#8220;error budget&#8221; in SRE?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. It is a quantitative measure of how many errors can occur before breaking the SLO.<br>B. It is the total number of errors that occur in a system over a given period.<br>C. It is a report that details every error encountered in production.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: A<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">5. How do you manage escalations when an incident occurs?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: You should describe the process of incident escalation and handling, which includes defining roles, identifying the source of the incident, troubleshooting, communication, and post-mortem analysis.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">6. What are the key performance indicators (KPIs) for measuring system reliability?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Depending on the organization, KPIs may vary, but common KPIs for measuring system reliability are uptime, mean time between failures (MTBF), mean time to resolve (MTTR), and error rates.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">7. What is the role of automation in SRE?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Automation plays a critical role in SRE as it enables a consistent, efficient, and error-free way of managing systems and infrastructure, reducing manual intervention, and improving system reliability.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">8. What is the difference between proactive and reactive measures?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. There is no difference between proactive and reactive measures.<br>B. Proactive measures prevent incidents from occurring, while reactive measures address incidents after they have occurred.<br>C. Proactive and reactive measures have the same impact on system reliability.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: B<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">9. What is &#8220;evil testing&#8221; in SRE?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. It is a form of testing that intentionally causes failures or errors in a system to test its recovery mechanisms.<br>B. It is a testing process that only tests the optimal scenarios for a system.<br>C. It is a testing process done to identify vulnerabilities in a system.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: A<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">10. What do you know about &#8220;chaos engineering&#8221;?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Chaos engineering is a technique that involves deliberately introducing faults or failures in a system to test its resilience and recovery mechanisms, with the goal of increasing system reliability.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">11. How would you handle a failed deployment?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: You should describe the process of identifying the cause of a failed deployment, involving relevant stakeholders and communication, troubleshooting, and addressing and documenting the post-mortem analysis.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">12. What is the role of monitoring in SRE?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Monitoring is a crucial aspect of SRE that involves collecting and analyzing data to detect and diagnose system issues, ensuring that performance meets defined SLAs and SLOs.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">13. What is your experience with cloud technologies?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Depending on your experience, you should describe your expertise in cloud technologies such as AWS, Azure, or Google Cloud, including cloud architecture, security, scalability, and reliability.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">14. What is your experience with automation tools?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: You should describe your experience working with automation tools such as Ansible, Terraform, or Puppet, including infrastructure as code, configuration management, and version control.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">15. How do you handle conflicting priorities?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: You should describe your approach to prioritization, including stakeholder management, goal alignment, and communication, and how you escalate and resolve any conflicts that arise.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">16. What is the &#8220;five whys&#8221; approach?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. It is a problem-solving technique that involves identifying the root cause of an issue by asking a series of &#8220;why&#8221; questions.<br>B. It is a technique to identify five potential solutions to a problem.<br>C. It is a technique to ask five open-ended questions to identify what customers want.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: A<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">17. What is your experience with microservices?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Depending on your experience, you should describe your expertise in microservices architecture, monitoring, deployment, and management.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">18. What is your experience with distributed systems?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Depending on your experience, you should describe your expertise in distributed systems architecture, reliability, scalability, and fault tolerance.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">19. What is the difference between horizontal and vertical scaling?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. There is no difference between horizontal and vertical scaling.<br>B. Horizontal scaling adds more resources to existing nodes, while vertical scaling adds more nodes to an existing system.<br>C. Vertical scaling adds more resources to existing nodes, while horizontal scaling adds more nodes to an existing system.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: C<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">20. What is the &#8220;blast radius&#8221; in SRE?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. It is the area around a system affected by an incident.<br>B. It is the extent to which an incident affects system availability or performance.<br>C. It is a quantitative measure of the severity of an incident.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: A<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">21. What is your experience with DevOps?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: You should describe your experience with DevOps practices such as continuous integration and delivery, building and deploying applications, and collaborating across teams.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">22. How do you handle security incidents?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Depending on the organization, you should describe your experience with security management, incident response, and mitigation.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">23. What is your experience with containers?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Depending on your experience, you should describe your expertise with containerization technologies such as Docker or Kubernetes, including containerization best practices, management, and deployment.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">24. What is the role of communication in SRE?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Communication is a critical aspect of SRE that involves collaborating with cross-functional teams, managing stakeholders, and ensuring effective incident response and post-mortem analysis.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">25. What is your experience with load balancing?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Depending on your experience, you should describe your expertise with load balancing technologies such as NGINX, HAProxy, or F5, including performance optimization, monitoring, and failover mechanisms.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">26. What is the role of change management in SRE?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Change management is a crucial aspect of SRE that involves managing and tracking changes to production systems, ensuring that changes are reviewed, tested, and deployed safely and reliably.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">27. How do you handle system outages?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: You should describe your experience with incident management, including identifying the cause of the outage, troubleshooting, communication, post-mortem analysis, and ensuring system recovery.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">28. What is the &#8220;blameless post-mortem&#8221; approach?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. It is a technique to identify who is responsible for an incident.<br>B. It is a technique to learn from incidents without blaming individuals or teams for the incident.<br>C. It is a technique to prevent incidents from occurring in the future.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: B<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">29. What is your experience with database management?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Depending on your experience, you should describe your expertise with database management technologies such as MySQL, Oracle, or MongoDB, including scaling, sharding, and backup\/recovery mechanisms.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">30. What is your experience with infrastructure as code (IaC)?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: You should describe your experience with IaC tools such as Terraform, CloudFormation or Ansible, including infrastructure provisioning, management, and deployment.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">31. What is the difference between fault tolerance and high availability?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. There is no difference between fault tolerance and high availability.<br>B. High availability refers to the ability of a system to continue functioning despite hardware or software failures, while fault tolerance refers to the ability of a system to tolerate or recover from these failures.<br>C. High availability and fault tolerance are interchangeable terms.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: B<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">32. What is your experience with disaster recovery planning?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Depending on the organization, you should describe your experience with disaster recovery planning, including business continuity planning, backup and recovery solutions, and failover mechanisms.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">33. What is your experience with performance testing?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Depending on your experience, you should describe your expertise with performance testing tools such as JMeter, Gatling, or Locust, including benchmarking, load simulation, and results analysis.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">34. What is the role of incident management in SRE?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Incident management is a critical aspect of SRE that involves defining incident response procedures, managing stakeholders and communication, conducting post-mortem analysis, and ensuring system recovery.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">35. What is the role of on-call rotation in SRE?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: On-call rotation is a crucial aspect of SRE that involves ensuring 24\/7 support for production systems, enabling quick incident response and resolution, and ensuring system reliability.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">36. What is your experience with application monitoring?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Depending on your experience, you should describe your expertise with application monitoring tools such as New Relic, Datadog, or AppDynamics, including metrics analysis, log analysis, and APM.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">37. How do you handle change requests?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: You should describe your experience with change management processes, including reviewing, testing, approving, and deploying changes to production systems.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">38. What is your experience with Kubernetes?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Depending on your experience, you should describe your expertise with Kubernetes container orchestration, including deployment, scaling, management, and troubleshooting.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">39. What is the role of resilience engineering in SRE?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Resilience engineering is a discipline that focuses on improving system resilience and reliability, involving techniques such as chaos engineering, fault injection, and disaster recovery planning.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">40. What is your experience with synthetic monitoring?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Depending on your experience, you should describe your expertise with synthetic monitoring tools such as Pingdom, Uptime Robot or Site24x7, including simulating user traffic and monitoring system response times.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">41. How do you handle incident communication?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: You should describe your experience with incident communication procedures, including stakeholder management, incident updates, and post-mortem analysis.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">42. What is your experience with DNS management?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Depending on your experience, you should describe your expertise with DNS management, including DNS infrastructure, DNS security, and DNS performance optimization.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">43. What is your experience with vulnerability management?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Depending on your experience, you should describe your expertise with vulnerability management, including identification, assessment, mitigation, and reporting.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">44. What is the role of capacity planning in SRE?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Capacity planning is a critical aspect of SRE that involves predicting system capacity and planning for future growth, ensuring that systems are ready to handle increased loads and traffic.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">45. What is your experience with incident response automation?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Depending on your experience, you should describe your expertise with incident response automation tools such as PagerDuty, VictorOps or OpsGenie, including triaging, notification, and escalation.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">46. What is your experience with log management?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Depending on your experience, you should describe your expertise with log management tools such as Splunk, ELK Stack or Graylog, including log aggregation, analysis, search, and visualization.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">47. What is the role of backup and recovery in SRE?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Backup and recovery is a critical aspect of SRE that involves ensuring that system data is backed up and recoverable in case of data loss or system failure.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">48. What is your experience with network management?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Depending on your experience, you should describe your expertise with network management, including network infrastructure, network security, and network performance optimization.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">49. What is your experience with cloud migration?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Depending on your experience, you should describe your expertise with cloud migrations, including planning, implementation, and post-migration testing and analysis.<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">50. What is the role of incident prioritization in SRE?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Answer: Incident prioritization is a crucial aspect of SRE that involves prioritizing incidents based on their severity, impact on users, and business-criticality, ensuring the most significant incidents are addressed first.<\/h4>\n","protected":false},"excerpt":{"rendered":"<p>1. What is SRE? A. Site Reliability EngineeringB. System Requirements EngineeringC. Software Risk Evaluation Answer: A 2. What initiatives have [&hellip;]<\/p>\n","protected":false},"author":33,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[1],"tags":[],"class_list":["post-10042","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Top 50 SRE Interview Questions with Answers - scmGalaxy<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.scmgalaxy.com\/tutorials\/top-50-sre-interview-questions-with-answers\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Top 50 SRE Interview Questions with Answers - scmGalaxy\" \/>\n<meta property=\"og:description\" content=\"1. 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