TO THE NEW AWS Devops Engineer Interview Questions and Answers

Q1. What is docker, what is DevOps
Ans. 
Docker is a containerization platform that allows applications to be packaged and run in isolated environments. DevOps is a software development methodology that focuses on collaboration, automation, and integration between development and operations teams.
• Docker is a tool designed to make it easier to create, deploy, and run applications by using containers.

• Containers allow a developer to package up an application wit...read more
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Q2. Difference between git and sub git
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Git is a version control system used for tracking changes in source code, while Subversion (SVN) is another version control system with similar features.
• Git is distributed, allowing for offline work and faster branching and merging.

• Subversion is centralized, requiring a network connection for most operations.

• Git uses a staging area for changes before committing, while Subversion commits changes directly to the reposito...read more
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Q1. Why DevOps is needed in an organisation?
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Q2. What is the difference between ADD vs COPY?
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Q1. Introduce yourself
Ans. 
I am a DevOps Engineer with 5 years of experience in automating, optimizing, and monitoring software development processes.
• 5 years of experience in DevOps

• Proficient in automating software development processes

• Skilled in optimizing and monitoring systems

• Strong knowledge of CI/CD pipelines

• Experience with tools like Jenkins, Docker, Kubernetes
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Q2. Write a CI/CD Pipeline code for a 3 tier application
Ans. 
A CI/CD Pipeline code for a 3 tier application
• Use a version control system like Git to store the application code

• Set up a CI tool like Jenkins to automate the build process

• Define stages in the pipeline for building, testing, and deploying each tier of the application

• Leverage tools like Docker for containerization and Kubernetes for orchestration

• Implement automated testing at each stage to ensure code quality and reliab
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Q3. Difference between NSG and ASG
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NSG stands for Network Security Group and is used to control inbound and outbound traffic to Azure resources. ASG stands for Availability Set Group and is used to ensure high availability of virtual machines.
• NSG controls traffic by setting rules for inbound and outbound traffic based on source and destination IP addresses, ports, and protocols.

• ASG groups virtual machines together to ensure high availability by distribu...read more
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1 hour.
Technical questions on AWS, Python Pseudocode, Docker, Kubernetes, Linux commands and git commands.

Q1. Aws services and how to create and launch EC2 instances
Ans. 
AWS services include EC2 for virtual servers. To create and launch EC2 instances, use the AWS Management Console, CLI, or SDK.
• Access the AWS Management Console and navigate to the EC2 dashboard

• Click on 'Launch Instance' to choose an Amazon Machine Image (AMI), instance type, and configure instance details

• Review and launch the instance, selecting key pair for SSH access

• Use AWS CLI or SDK to create and launch EC2 instanc
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Q2. Git and Linux commands
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Q3. Docker related concepts
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Q1. In depth about my projects and previous internship and its project
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Q2. In depth of AWS cloud , VPC, Advance Git and Linux commands
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Q1. Azure Databricks Configuration related question
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Q1. Azure Databricks
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Q2. Python Coding Q&As
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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...read more
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Q2. What are liveness and readiness probe
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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.

• ...read more
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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...read more
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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...read more
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Q1. About RBAC , Kubernetes other techincal stuff
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