Zensar Technologies Devops Engineer Interview Questions and Answers

Q1. What are your devops project
Ans. 
I have worked on automating CI/CD pipelines, infrastructure as code, and monitoring solutions.
• Automated CI/CD pipelines using tools like Jenkins, GitLab CI, or CircleCI

• Implemented infrastructure as code using Terraform or CloudFormation

• Set up monitoring solutions with tools like Prometheus, Grafana, or ELK stack
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Q2. What so your view on terraform and cdk
Ans. 
Terraform and CDK are both infrastructure as code tools used for provisioning and managing cloud resources.
• Terraform is a popular open-source tool by HashiCorp that allows you to define and provision infrastructure using declarative configuration files.

• CDK (Cloud Development Kit) is an AWS-specific tool that allows you to define cloud infrastructure using familiar programming languages like TypeScript, Python, and Java...read more
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Q1. What is the challenges you have faced in kubernetes
Ans. 
Challenges faced in Kubernetes include networking issues, resource management, and complexity of configurations.
• Networking issues can arise due to misconfigurations or conflicts between pods

• Resource management challenges include optimizing resource allocation and scaling

• Complexity of configurations can lead to difficulties in troubleshooting and maintaining the cluster
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Q2. What is the cicd pipeline you have troubleshoot
Ans. 
I have troubleshooted a CI/CD pipeline for a microservices architecture using Jenkins and Docker.
• Identified and resolved issues with Jenkins plugins causing build failures

• Optimized Docker images to reduce build times and improve deployment speed

• Debugged pipeline scripts to ensure proper integration and testing of microservices
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Q1. Basic Python question
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Q2. VPC, subnet, SGs and then Lambda function
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Basic core subjects and aptitude will do. (or Friends)

Q1. Basics about jenkins, docker and ansible. Some about personal projects, linux, git, Oops and DSA
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Q2. About the role devops.
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Q3. Code on their editor basic concepts like overloading vs overriding, operator overloading, constructor types.
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Q1. S3 storage class
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Q1. Questions on Docker
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Round duration - 30 minutes
Round difficulty - Medium

Q1. How do you approach solving and troubleshooting infrastructure issues?
Ans. 
I approach solving and troubleshooting infrastructure issues by following a systematic approach and utilizing various tools and techniques.
• Identify the root cause of the issue by analyzing logs, monitoring metrics, and conducting tests.

• Utilize automation tools like Ansible, Puppet, or Chef to quickly deploy and configure infrastructure.

• Collaborate with team members and stakeholders to gather information and brainstorm ...read more
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Q2. 
Guess The Hidden Number Problem Statement
You are given an integer N and there is a hidden number within the range [0, N] that you must guess. You have access to a function higherLower(k) which helps in g...read more
Ans. 
The task is to guess a hidden number within a given range using a function that provides hints about the number's relation to a given input.
• Use the higherLower(k) function to determine if the hidden number is smaller, equal to, or greater than the input k.

• Implement a binary search algorithm to efficiently guess the hidden number within the given range.

• Iteratively narrow down the range based on the hints provided by the...read more
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Round duration - 60 minutes
Round difficulty - Hard