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Devops Engineer Interviews

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Devops Engineer Interview Questions

"DevOps is a quickly growing space for tech companies. Employers hiring DevOps engineers are looking for candidates with strong programming abilities, a knowledge of re-engineering processes, and great communication skills to fast-track projects between IT professionals and software engineers. Expect to answer various technical questions that will evaluate your knowledge of tech tools and processes such as HTTP. Experience in software engineering or a related field is expected."

Top DevOps Engineer Interview Questions & How to Answer

Question 1

Question #1: What are the top DevOps tools, and which ones have you worked with before?

How to answer
How to answer: This open-ended question is designed to showcase your knowledge and experience with a variety of available DevOps tools. Share any tools you have specific experience with and how you've used them to develop good quality software. If you have generalized knowledge of many tools, you can easily speak to how to use them. If you have limited experience with DevOps tools, you can share that you specialize in those tools and how you've used them.
Question 2

Question #2: What is the need for DevOps?

How to answer
How to answer: This open-ended question allows you to demonstrate and communicate your knowledge of the advantages of using DevOps. This question also lets you share examples of companies who have used DevOps to achieve levels of performance that far exceeded expectations. You can attest to the benefits of DevOps and how these companies need it to continue to expand.
Question 3

Question #3: What are the most important things that DevOps help achieve?

How to answer
How to answer: This open-ended question is used to understand your perception of what is important when it comes to DevOps. Share the positive effects of DevOps and its relation to customer satisfaction, clearer communication, and better collaboration. When possible, share examples from your previous experience that demonstrate these important aspects of DevOps.

13,151 devops engineer interview questions shared by candidates

Some technical question regarding ci/cd . Then a coding questions . questions regarding kubernetes. Then once maybe they thought they dont have anything else to ask they started asking me random questions regarding the organization structure of my last organization .
avatar

Devops Engineer

Interviewed at Global Relay

2.5★
Oct 12, 2023

Some technical question regarding ci/cd . Then a coding questions . questions regarding kubernetes. Then once maybe they thought they dont have anything else to ask they started asking me random questions regarding the organization structure of my last organization .

# SpotQA SRE/DevOps Challenge ## Introduction Welcome to the challenge for joining SpotQA's product team. By submitting a solution to the challenge you will be evaluated for a position as a SRE/DevOps engineer at SpotQA. The challenge is split into two parts: - The first is about your knowledge of cloud computing providers and architectures; - and the second is a short practical task related to containers. ## Answering guideline For each challenge, please add your answer/solution(s) to this repository. Please use this repository as you see fit; if you wish to commit other notes as you work feel free to do so. If you're unable to answer a question, please note what you considered in place of an answer. There is no right answer for either of the exercises, so your answers will be judged on the strength of the knowledge and skills you present. We expect that the exercises shouldn't take more than a few hours, so do not feel obligated to invest a lot of time into the challenge. ## Part 1 In this part of the challenge, we will describe our software architecture below. Please look at the software we use and make a recommendation for the components that you would select to deploy it on a cloud provider of your choosing (e.g., AWS, GCP). Note - we don't need any detailed config files etc., just a break-down of the different components you would select and what they are for. After describing your architecture, please discuss it in terms of the questions below: * How would you scale the architecture? * What challenges do you foresee with scaling different components, and how would you approach resolving them at infrastructure level? * What could fail in the architecture and what effect might that have? * How would you continuously (and safely) deploy the components? * How would you monitor your architecture? * How would you structure a fault-tolerance model for the architecture? * How could we test the architecture's failure tolerance? ### The software The software is built from several services. Some services communicate with each other, and some depend on an SQL database. The components are as follows: * **Frontend** is a single-page application that includes an API client that issues requests to the **Webserver** from the user's browser. * **Webserver** provides a web API that **Frontend** uses. It needs an SQL database and sends job requests to the **Controller**. * **Controller** manages jobs that are currently running, and starts jobs when it receives a request from a **Webserver** and sends tasks to be done by **Workers**. Controllers use the database to save state. * **Scheduler** receives tasks from **Controller** and sends them to a **Dispatcher**. * **Dispatcher** provides an endpoint that one or more **Worker** connects to to receive Tasks. **Dispatchers** send task results back to **Controllers** * **Workers** connect to a **Dispatcher** and process tasks sent to them. > Note: this architecture has been simplified specifically for the purpose of this challenge, and is not an exact representation of our internal architecture. ## Part 2 In the directory named `Part2` there is a small Dockerfile and a statically linked binary. Please build the container, and answer the following questions: * What does the container do? * What does the service do? * Is there anything else you can find about the container/service? * How would you improve performance of the service? * Can you give an example of how to improve performance using containers (just using docker compose)? ## Submission and next steps ... Once you have completed the challenge (as outlined in the section "Answering guideline"), please notify us of your completion via email and one of the product team's engineers will clone the repository and evaluates the submitted solution. Following this, we may schedule a call during which we can go through your solution(s), and to expand further on them.
avatar

Devops Engineer

Interviewed at Virtuoso

3.3★
Nov 16, 2019

# SpotQA SRE/DevOps Challenge ## Introduction Welcome to the challenge for joining SpotQA's product team. By submitting a solution to the challenge you will be evaluated for a position as a SRE/DevOps engineer at SpotQA. The challenge is split into two parts: - The first is about your knowledge of cloud computing providers and architectures; - and the second is a short practical task related to containers. ## Answering guideline For each challenge, please add your answer/solution(s) to this repository. Please use this repository as you see fit; if you wish to commit other notes as you work feel free to do so. If you're unable to answer a question, please note what you considered in place of an answer. There is no right answer for either of the exercises, so your answers will be judged on the strength of the knowledge and skills you present. We expect that the exercises shouldn't take more than a few hours, so do not feel obligated to invest a lot of time into the challenge. ## Part 1 In this part of the challenge, we will describe our software architecture below. Please look at the software we use and make a recommendation for the components that you would select to deploy it on a cloud provider of your choosing (e.g., AWS, GCP). Note - we don't need any detailed config files etc., just a break-down of the different components you would select and what they are for. After describing your architecture, please discuss it in terms of the questions below: * How would you scale the architecture? * What challenges do you foresee with scaling different components, and how would you approach resolving them at infrastructure level? * What could fail in the architecture and what effect might that have? * How would you continuously (and safely) deploy the components? * How would you monitor your architecture? * How would you structure a fault-tolerance model for the architecture? * How could we test the architecture's failure tolerance? ### The software The software is built from several services. Some services communicate with each other, and some depend on an SQL database. The components are as follows: * **Frontend** is a single-page application that includes an API client that issues requests to the **Webserver** from the user's browser. * **Webserver** provides a web API that **Frontend** uses. It needs an SQL database and sends job requests to the **Controller**. * **Controller** manages jobs that are currently running, and starts jobs when it receives a request from a **Webserver** and sends tasks to be done by **Workers**. Controllers use the database to save state. * **Scheduler** receives tasks from **Controller** and sends them to a **Dispatcher**. * **Dispatcher** provides an endpoint that one or more **Worker** connects to to receive Tasks. **Dispatchers** send task results back to **Controllers** * **Workers** connect to a **Dispatcher** and process tasks sent to them. > Note: this architecture has been simplified specifically for the purpose of this challenge, and is not an exact representation of our internal architecture. ## Part 2 In the directory named `Part2` there is a small Dockerfile and a statically linked binary. Please build the container, and answer the following questions: * What does the container do? * What does the service do? * Is there anything else you can find about the container/service? * How would you improve performance of the service? * Can you give an example of how to improve performance using containers (just using docker compose)? ## Submission and next steps ... Once you have completed the challenge (as outlined in the section "Answering guideline"), please notify us of your completion via email and one of the product team's engineers will clone the repository and evaluates the submitted solution. Following this, we may schedule a call during which we can go through your solution(s), and to expand further on them.

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