Datamatics Global Services Devops Engineer Interview Questions and Answers

Q1. About previous company projects and some intermediate level questions on AWS and DevOps
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Managerial skills

Understand aptitude aptly

Have basic knowledge on logics ,you can write code easily

Q1. Oops concepts and resume mentioned technologies
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Q2. Btech project to be explain
Ans. 
My Btech project was on developing a web-based application for online shopping.
• Developed using PHP and MySQL

• Implemented features like user registration, product search, cart management, and payment gateway integration

• Used HTML, CSS, and JavaScript for frontend development

• Conducted testing and debugging to ensure smooth functioning

• Received an A grade for the project
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Q1. Troubleshooting with EKS
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Troubleshooting with EKS involves identifying and resolving issues within an Amazon EKS cluster.
• Check the status of EKS nodes and pods

• Review logs for errors and warnings

• Verify network connectivity within the cluster

• Monitor resource utilization to identify bottlenecks

• Use kubectl commands to inspect and troubleshoot
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Q2. S3 storage classes
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Q1. Explain Project and roles and responsibilities
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A project is a temporary endeavor with a specific goal, roles and responsibilities define the tasks and duties of team members.
• Project is a temporary endeavor to achieve a specific goal within a defined timeframe and budget.

• Roles and responsibilities outline the tasks and duties of team members to ensure successful project completion.

• Examples of roles include project manager, developer, tester, and operations engineer.

• ...read more
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Q2. CICD setups with different tools
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CICD setups involve integrating various tools for automation and continuous delivery.
• Use Jenkins for building, testing, and deploying code

• Integrate with version control systems like Git for source code management

• Utilize Docker for containerization and Kubernetes for orchestration

• Implement monitoring tools like Prometheus and Grafana for tracking performance

• Automate testing with tools like Selenium or JUnit
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Q1. Explain kubernetes architecture
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Kubernetes architecture is a container orchestration platform that manages containerized applications across a cluster of nodes.
• Kubernetes follows a master-slave architecture with a master node and multiple worker nodes.

• Master node components include API server, scheduler, controller manager, and etcd.

• Worker node components include kubelet, kube-proxy, and container runtime (e.g. Docker).

• Pods are the smallest deployabl...read more
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Q2. Types of instances in AWS
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Types of instances in AWS include On-Demand Instances, Reserved Instances, and Spot Instances.
• On-Demand Instances: Pay for compute capacity by the hour or second with no long-term commitments.

• Reserved Instances: Reserve capacity for 1 or 3 years in exchange for a significant discount.

• Spot Instances: Bid on unused EC2 capacity and potentially save up to 90% compared to On-Demand prices.
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