The Hans India Devops Consultant Interview Questions and Answers

Q1. More technical questions on your role.
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Live coding session to understand your logical thinking while writing code.

Q1. Loop round with 4 or 5 separate sessions. mostly behavioral questions around your experience and amazon leadership principals.
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Q1. Regarding devops tools
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Q1. Regarding package discussion
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Q1. Docker: run vs entry point,copy vs add, process vs demons
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Docker commands and concepts comparison
• Run vs entry point: 'docker run' is used to create a new container while 'entrypoint' specifies the command to run when the container starts.

• Copy vs add: 'COPY' is used to copy files from the host to the container while 'ADD' can also fetch files from URLs and extract tarballs.

• Process vs demons: Processes are foreground tasks that run in the container while daemons are background
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Q2. How should you keep your application high availability
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To ensure high availability of an application, implement redundancy, load balancing, monitoring, and disaster recovery.
• Implement redundancy by having multiple instances of the application running in different servers or data centers.

• Use load balancing to distribute incoming traffic across multiple servers to prevent overload on any single server.

• Set up monitoring tools to constantly check the health and performance of ...read more
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Q3. V-net peering in cloud
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VNet peering allows connecting virtual networks in Azure
• VNet peering enables resources in different virtual networks to communicate securely

• Traffic between peered VNets stays on the Microsoft backbone network

• No public internet, gateways, or encryption needed for communication between peered VNets
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Q4. Web app : deployment slots
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Q5. Sub- nets on virtual machine
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Subnets on virtual machines refer to dividing a network into smaller segments for better organization and security.
• Subnets help in managing network traffic efficiently

• Each subnet can have its own security policies and access controls

• Subnets can be used to isolate different parts of a network for security reasons
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Q6. Day to day activities of devops engineer
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DevOps engineers are responsible for automating, monitoring, and maintaining the infrastructure and deployment pipelines.
• Automating build and deployment processes using tools like Jenkins, GitLab CI/CD, or CircleCI

• Monitoring system performance and availability using tools like Prometheus, Grafana, or ELK stack

• Collaborating with development and operations teams to streamline processes and improve efficiency

• Managing infr...read more
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Q7. Explain any using docker image build and deployment in AKS using ACR
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Using Docker image build and deployment in AKS with ACR
• Create a Dockerfile to define the image

• Build the Docker image using 'docker build' command

• Push the image to Azure Container Registry (ACR)

• Create a Kubernetes deployment manifest referencing the image in ACR

• Deploy the application to Azure Kubernetes Service (AKS)
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Q1. CI/CD practices
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Q1. Jenkins, kubernetes, docker, terraform, aws, cicd
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Q1. Salary negotiation and leave plan discussion
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