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Einfochips Devops Engineer Interview Questions, Process, and Tips
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1 interview found
Anonymous
I applied via Naukri.com and was interviewed in Aug 2021. There was 1 interview round.
Interview Questionnaire
13 Questions
- Q1. What is fault domain?
- Ans.
A fault domain is a logical group of hardware components that share a common power source and network switch.
Fault domains are used to ensure high availability and fault tolerance in distributed systems.
By distributing resources across fault domains, system failures can be isolated and minimized.
Examples of fault domains include racks in a data center or availability zones in a cloud provider.
In the event of a power ou...
- Q2. What is Git Gradle?
- Ans.
Git Gradle is not a specific tool or concept. Git is a version control system and Gradle is a build automation tool.
Git is a distributed version control system used for tracking changes in source code during software development.
Gradle is a build automation tool that is used to automate the building, testing, and deployment of software projects.
Git and Gradle are often used together in software development workflows to
- Q3. What are the layers of Docker image?
- Ans.
Docker image has 3 layers: Base, Dependencies and Application.
Base layer contains the OS and other system-level libraries.
Dependencies layer contains the libraries and packages required by the application.
Application layer contains the code and files specific to the application.
Each layer is read-only and builds on top of the previous layer.
Changes made to one layer do not affect the other layers.
This layering approach...
- Q4. How we can create EC2 instance by using terraform ? (write)
- Ans.
To create an EC2 instance using Terraform, define the necessary resources in a Terraform configuration file and run 'terraform apply'.
Write a Terraform configuration file with the necessary resources, such as 'aws_instance' for EC2 instance.
Specify the required parameters like 'ami', 'instance_type', 'subnet_id', etc.
Run 'terraform init' to initialize the working directory.
Run 'terraform plan' to see the execution plan...
- Q5. What is webhooks in Jenkins ?
- Ans.
Webhooks in Jenkins are a way to trigger a build or perform an action in response to an external event.
Webhooks allow Jenkins to receive notifications from external systems.
They are typically used to trigger a build when a code repository is updated.
Webhooks can be configured to send JSON or XML payloads to Jenkins.
Jenkins can parse the payload and take actions based on the received data.
Webhooks can be set up for vari...
- Q6. How you will create pipeline through script?
- Ans.
Creating a pipeline through script involves defining stages, tasks, and triggers in a script file.
Define stages for each step in the pipeline
Define tasks for each stage, such as building, testing, and deploying
Define triggers for each stage, such as manual or automatic triggers
Use a scripting language such as YAML or JSON to define the pipeline
Examples: Jenkinsfile for Jenkins, azure-pipelines.yml for Azure DevOps
- Q7. What are the challenges you have faced? share any one
- Q8. How you will handle the injections and attacks?
- Ans.
Injections and attacks can be handled by implementing security measures and regularly updating software.
Implement security measures such as firewalls, intrusion detection systems, and access controls
Regularly update software and apply security patches
Conduct regular security audits and penetration testing
Train employees on security best practices and conduct background checks
Use encryption to protect sensitive data
Moni
- Q9. If node is tentered, how you will schedule the node? (Some words were not clear and interviewer was feeling less experienced as interviewer)
- Q10. How to login docker registery?
- Ans.
To login docker registry, use the docker login command with the registry URL, username, and password.
Use the docker login command followed by the registry URL
Enter the username and password when prompted
Example: docker login myregistry.com -u username -p password
- Q11. What is git remote and git remote? difference & command
- Ans.
git remote is used to manage remote repositories. git fetch is used to download changes from a remote repository.
git remote is used to manage remote repositories
git fetch is used to download changes from a remote repository
git remote add
is used to add a new remote repository git remote -v shows the list of remote repositories
git fetch
downloads changes from a remote repository git pull
fetches and merges changes fr...
- Q12. What is cherry pick?
- Ans.
Cherry pick is a Git command used to select and apply specific commits from one branch to another.
It allows developers to apply only the necessary changes to a branch without merging the entire branch.
It can be useful in situations where a bug fix or feature needs to be applied to a specific branch without affecting other branches.
Cherry picking can result in conflicts if the selected commit depends on other changes th...
- Q13. How to copy a commit one branch to another branch?
- Ans.
To copy a commit from one branch to another, use the git cherry-pick command.
Checkout the branch where you want to copy the commit
Find the commit hash of the commit you want to copy
Run 'git cherry-pick
' to apply the commit to the current branch
Interview Preparation Tips
Some Words were not clear and interviewer was not feeling well experienced. He didn't ask any question from the AWS and services.
Skills evaluated in this interview
Interview questions from similar companies
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
(2 Questions)
- Q1. Why DevOps is needed in an organisation?
- Ans.
DevOps is needed in an organization to improve collaboration between development and operations teams, increase efficiency, and deliver high-quality software faster.
Improves collaboration between development and operations teams
Increases efficiency in software development and deployment processes
Helps in delivering high-quality software faster
Automates repetitive tasks to reduce manual errors
Facilitates continuous inte...
- Q2. What is the difference between ADD vs COPY?
- Ans.
ADD and COPY are Dockerfile instructions used to copy files and directories into a Docker image, but they have some key differences.
ADD allows for URLs and automatically extracts compressed files, while COPY only works with local files
COPY is recommended for copying local files and directories into an image, while ADD is more versatile but can be less predictable
ADD can be used to download files from the internet and a
I applied via Naukri.com and was interviewed in Oct 2024. There was 1 interview round.
(3 Questions)
- Q1. Introduce yourself
- Q2. Write a CI/CD Pipeline code for a 3 tier application
- Q3. Difference between NSG and ASG
Interview Preparation Tips
- CI/CD
- Azure
Selected
I applied via Indeed and was interviewed in Jul 2024. There was 1 interview round.
(2 Questions)
- Q1. How to ensure high available of eks cluster.
- Ans.
To ensure high availability of EKS cluster, utilize multiple availability zones, implement auto-scaling, use managed node groups, and set up monitoring and alerts.
Utilize multiple availability zones to distribute workload and ensure redundancy.
Implement auto-scaling to automatically adjust resources based on demand.
Use managed node groups to simplify node management and ensure high availability.
Set up monitoring and al...
- Q2. What are liveness and readiness probe
- Ans.
Liveness and readiness probes are used in Kubernetes to check the health of containers.
Liveness probe checks if a container is running and healthy. If it fails, Kubernetes restarts the container.
Readiness probe checks if a container is ready to serve traffic. If it fails, Kubernetes stops sending traffic to the container.
Probes are configured in the pod's YAML file using the 'livenessProbe' and 'readinessProbe' fields.
...
Interview Preparation Tips
Skills evaluated in this interview
(2 Questions)
- Q1. What is Devops and how do you use
- Ans.
DevOps is a software development methodology that combines software development (Dev) with IT operations (Ops) to improve collaboration and efficiency.
DevOps focuses on automating and streamlining the software development process.
It involves continuous integration, continuous delivery, and continuous deployment.
DevOps aims to shorten the system development life cycle and provide continuous delivery of high-quality soft...
- Q2. Explain k8s in your infratsru
- Ans.
K8s, short for Kubernetes, is a popular open-source container orchestration platform used for automating deployment, scaling, and management of containerized applications.
Kubernetes automates the deployment, scaling, and management of containerized applications.
It provides features like self-healing, load balancing, and rolling updates.
Kubernetes uses declarative configuration files to define the desired state of the a...
Skills evaluated in this interview
I applied via LinkedIn and was interviewed in Apr 2024. There was 1 interview round.
(2 Questions)
- Q1. Review a provided code and explain it/correct it
- Ans.
Review and explain/correct provided code
Understand the purpose of the code
Check for any syntax errors or logical mistakes
Explain the code step by step
Suggest improvements if necessary
- Q2. Docker, Kubernetes, Ansible
I applied via Campus Placement
(3 Questions)
- Q1. Basics of Devops and scenerio based questions
- Q2. How you write a CICD using Jenkins for java based application
- Ans.
Setting up a CICD pipeline using Jenkins for a Java based application involves configuring Jenkins jobs for building, testing, and deploying the application.
Install Jenkins and necessary plugins for Java projects
Create a Jenkins job for building the Java application using Maven or Gradle
Add a post-build step to run unit tests using tools like JUnit
Configure Jenkins to trigger the job on code commits to the repository
Se...
- Q3. Explain what happen in backend when you try to access any website
- Ans.
When accessing a website, the backend server receives the request, processes it, retrieves data from databases or other sources, and sends a response back to the client.
Client sends a request to the website's URL
DNS resolves the domain name to an IP address
Backend server receives the request and processes it
Server retrieves data from databases or other sources
Server generates a response and sends it back to the client
(1 Question)
- Q1. Company fitment and package discussion
Interview Preparation Tips
Skills evaluated in this interview
Prakash K
I applied via LinkedIn
(1 Question)
- Q1. What is meant by Devops?
- Ans.
Devops is a software development methodology that combines software development (Dev) with IT operations (Ops) to improve collaboration and productivity.
Devops focuses on automating and streamlining the software development and deployment process.
It emphasizes communication and collaboration between development and operations teams.
Devops aims to shorten the development lifecycle and provide continuous delivery of high...
(1 Question)
- Q1. What is meant by CI/ CD pipeline?
- Ans.
CI/CD pipeline stands for Continuous Integration/Continuous Deployment pipeline, which automates the process of testing and deploying code changes.
CI/CD pipeline automates the process of integrating code changes from multiple developers into a shared repository (Continuous Integration).
It also automates the process of testing the integrated code and deploying it to production (Continuous Deployment).
CI/CD pipelines hel...
Interview Preparation Tips
- Devops
- AWS
Skills evaluated in this interview
Selected
I applied via Job Portal and was interviewed before Apr 2023. There were 3 interview rounds.
(1 Question)
- Q1. Devops Tools and its implementation
- Ans.
Devops tools are software products that help automate the processes involved in software development, testing, and deployment.
Popular Devops tools include Jenkins, Docker, Ansible, Kubernetes, and Git.
These tools help in automating tasks like building, testing, and deploying software applications.
They also facilitate collaboration between development and operations teams, leading to faster and more reliable software de...
(1 Question)
- Q1. Devops tools usage
- Ans.
Devops tools are essential for automation, collaboration, and monitoring in the software development lifecycle.
Devops tools help automate tasks like code deployment, infrastructure provisioning, and testing.
Popular Devops tools include Jenkins, Docker, Ansible, Kubernetes, and Git.
These tools facilitate collaboration between development and operations teams, enabling faster delivery of software.
Monitoring tools like Na...
(1 Question)
- Q1. Normal duiscussion
Skills evaluated in this interview
I applied via Recruitment Consulltant
(1 Question)
- Q1. Easy questions about technical experience
Interview Preparation Tips
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