WidasConcepts Junior DevOps Engineer Interview Questions and Answers

It was very basic. Consisted of logical and numerical reasoning questions

Q1. Tell me about yourself
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Q2. Tell me about your internship experience
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Q3. Tell me about your projects
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Q4. Tell me about software development lifecycle
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Q5. Share screen and solve this coding question
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Q1. They asked me to write a dockerfile
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Q2. Minimal questions about linux
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20 questions in 15 mins

Q1. Difference between HTTP AND HTTPS
Ans. 
HTTP is unsecured protocol while HTTPS is secured protocol using SSL/TLS encryption.
• HTTP stands for Hypertext Transfer Protocol, while HTTPS stands for Hypertext Transfer Protocol Secure.

• HTTP operates on port 80, while HTTPS operates on port 443.

• HTTPS uses SSL/TLS certificates to encrypt data transmitted over the network, providing a secure connection.

• HTTPS is essential for websites that handle sensitive information li...read more
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Q2. What do you mean by release management
Ans. 
Release management involves planning, scheduling, and controlling the software release process.
• Planning and coordinating the release of software updates

• Ensuring that the release process is smooth and efficient

• Managing dependencies and version control

• Communicating with stakeholders about release timelines and changes

• Automating release processes to improve efficiency
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Q1. Share Your experience on Creating AWS resources. GUI or using IAC tool?
Ans. 
I primarily use IAC tools like Terraform to create AWS resources for consistency, version control, and automation.
• I prefer using IAC tools like Terraform for creating AWS resources as it allows for infrastructure as code, version control, and automation.

• Using IAC tools ensures consistency in resource creation across environments.

• GUI can be useful for quick prototyping or exploring AWS services, but IAC is more efficien...read more
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Q2. Have you got any issues in pod, while creating or monitoring pods in the kubernetes cluster?
Ans. 
Yes, I have faced issues while creating or monitoring pods in a Kubernetes cluster.
• One common issue is pods getting stuck in a pending state due to resource constraints or scheduling issues.

• Another issue is pods crashing frequently due to misconfigured settings or incompatible container images.

• Monitoring pods can be challenging, especially when dealing with a large number of pods and trying to track their health and pe...read more
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Q3. What are use of Versioning in S3? Have you got any issues in working using S3?
Ans. 
Versioning in S3 allows for preserving, retrieving, and restoring every version of an object stored in a bucket.
• Enables recovery from unintended user actions or application failures

• Helps in maintaining different versions of objects for audit or compliance purposes

• Prevents accidental deletion or overwriting of objects

• Useful for tracking changes and rolling back to previous versions if needed
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Q4. What are the Devops tools, you have experience on?
Ans. 
I have experience with various DevOps tools including Jenkins, Docker, Ansible, and Terraform.
• Jenkins

• Docker

• Ansible

• Terraform
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Q1. Kubernetes architecture
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Q2. CICD pipeline in jenkins
Ans. 
CICD pipeline in Jenkins automates the process of building, testing, and deploying code.
• Jenkins is a popular automation server used for CICD pipelines

• CICD pipeline in Jenkins typically involves stages like build, test, deploy

• Jenkins plugins can be used to integrate with various tools for automation

• Pipeline scripts in Jenkins can be written in Groovy language
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Q1. Jenkins ci-cd meaning
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Q2. Grep and egrep in linux
Ans. 
grep and egrep are command line tools used for searching text patterns in files in Linux.
• grep is a basic command line tool for searching text patterns in files.

• egrep is an extended version of grep with support for regular expressions.

• grep is case-sensitive by default, use -i flag for case-insensitive search.

• egrep supports extended regular expressions without escaping special characters.

• Example: grep 'pattern' file.txt

• E
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Q3. How to print forth coloumn
Ans. 
Use awk command to print the fourth column of a file
• Use awk command with '{print $4}' to print the fourth column of a file

• Example: awk '{print $4}' file.txt
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Q1. Questions on Docker
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Q1. What is ci cd. What is iac. What is terraform
Ans. 
CI/CD stands for Continuous Integration/Continuous Deployment. IaC stands for Infrastructure as Code. Terraform is a tool for IaC.
• CI/CD is a software development practice where code changes are automatically built, tested, and deployed frequently.

• IaC is the process of managing and provisioning infrastructure through code instead of manual processes.

• Terraform is an open-source tool by HashiCorp used for building, changi
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Q2. Aws questions like what is iam
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Q3. Write dockerfile
Ans. 
A Dockerfile is a text document that contains all the commands a user could call on the command line to assemble an image.
• Start with a base image

• Use RUN to execute commands

• Use COPY to add files from the host machine

• Use CMD to specify the command to run when the container starts
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