Trimble AWS Devops Engineer Interview Questions and Answers

Q1. DevOps concepts
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Q2. Kubernetes and it’s use cases
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Kubernetes is a container orchestration platform used for automating deployment, scaling, and management of containerized applications.
• Kubernetes helps in automating the deployment, scaling, and management of containerized applications.

• It provides features like service discovery, load balancing, storage orchestration, and automated rollouts and rollbacks.

• Use cases include microservices architecture, CI/CD pipelines, au...read more
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I was shared a codebase 2-3 days earlier and I had to find infrastructure issues in the code. Had to fix those issues using terraform

Q1. Explain the architecture of k8s.
Ans. 
Kubernetes is a container orchestration platform that manages containerized workloads and services.
• Kubernetes architecture follows a master-slave model.

• The master node manages the cluster and the worker nodes run the applications.

• The master node consists of API server, etcd, scheduler, and controller manager.

• The worker node consists of kubelet, kube-proxy, and container runtime.

• Kubernetes uses labels and selectors to m...read more
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Q2. What is the diff b/w replicaset & repliation controller
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ReplicaSet is a newer version of Replication Controller with additional features.
• ReplicaSet supports more expressive selector queries than Replication Controller.

• ReplicaSet can be used to manage stateful applications.

• ReplicaSet can be used to manage pods that are not created by a Deployment.

• Replication Controller is deprecated and should not be used in new deployments.
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Q3. How do you use variables at the level of playbook
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Variables can be defined in playbook using 'vars' keyword and can be accessed using '{{ variable_name }}'
• Variables can be defined at the playbook level using the 'vars' keyword

• Variables can be accessed using the '{{ variable_name }}' syntax

• Variables can be used to store values that can be reused throughout the playbook

• Variables can be defined in a separate file and included in the playbook using the 'vars_files' keywor
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Q1. Write a dockerfile you're using in your project
Ans. 
Dockerfile for a Node.js application with MongoDB
• Use official Node.js image as base

• Install dependencies using package.json

• Copy application code to container

• Expose port used by application

• Install and run MongoDB in container

• Set environment variables for MongoDB connection

• Use CMD to start application
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Q1. All question was for db
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Q1. What is meant by Devops?
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Devops is a software development methodology that combines software development (Dev) with IT operations (Ops) to improve collaboration and productivity.
• Devops focuses on automating and streamlining the software development and deployment process.

• It emphasizes communication and collaboration between development and operations teams.

• Devops aims to shorten the development lifecycle and provide continuous delivery of high...read more
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Q1. What is meant by CI/ CD pipeline?
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CI/CD pipeline stands for Continuous Integration/Continuous Deployment pipeline, which automates the process of testing and deploying code changes.
• CI/CD pipeline automates the process of integrating code changes from multiple developers into a shared repository (Continuous Integration).

• It also automates the process of testing the integrated code and deploying it to production (Continuous Deployment).

• CI/CD pipelines hel...read more
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Q1. All aspects of Devops and on your resume
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Q2. Kubernetes , Docker , Jenkins and AWS
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Q1. More technical depth questions
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Q1. More of a managerial type of question
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Q1. Salary discussion
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Asssignment on docker