Freelancer.com Devops Engineer Interview Questions, Process, and Tips

Q1. They asked me to write a dockerfile
Add your answer
Q2. Minimal questions about linux
Add your answer

2 questions linked list and 2nd max element

Q1. Cloud computing topics
Add your answer
Q2. Quick sort coding
Add your answer

Q1. What is vault & how it is integrated with your AWS
Ans. 
Vault is a tool for managing secrets and protecting sensitive data.
• Vault securely stores and manages sensitive information such as API keys, passwords, and certificates.

• It provides a centralized place for managing access control and encryption of data.

• Vault can be integrated with AWS to securely store and retrieve AWS credentials and other sensitive information.

• Integration with AWS allows for automated provisioning and...read more
Answered by AI
Add your answer

Q1. Write advance terraform script write a azure devops pipeline script write a python script for Fibonacci serious
Ans. 
Answering the interview question by providing advanced terraform, Azure DevOps pipeline, and Python scripts for Fibonacci series.
• Use Terraform to provision Azure resources like VMs, storage accounts, and networking components.

• Create an Azure DevOps pipeline script to automate the deployment process using Terraform.

• Write a Python script to generate Fibonacci series using recursion or iteration.

• Ensure proper error handli...read more
Answered by AI
Add your answer
Q2. Write a kubernete manifest
Ans. 
A Kubernetes manifest defines the desired state of a cluster
• Use YAML syntax to define resources like pods, services, deployments, etc.

• Include metadata like name, labels, and annotations

• Specify the desired state of the resource, such as replicas, image, ports, etc.
Answered by AI
Add your answer
Q3. Write a groovy script declarative and scripted pipelines
Ans. 
A groovy script for declarative and scripted pipelines
• Use 'pipeline' block for declarative pipeline

• Use 'node' block for scripted pipeline

• Declarative example: pipeline { agent any stages { stage('Build') { steps { echo 'Building...' } } } }

• Scripted example: node { stage('Test') { echo 'Testing...' } }
Answered by AI
Add your answer
Q4. Explain Aws lamda AWS vpc routing and some commands
Ans. 
AWS Lambda is a serverless computing service that runs code in response to events and automatically manages the computing resources.
• AWS Lambda functions can be associated with a VPC to access resources within the VPC.

• VPC routing allows Lambda functions to communicate with resources in the VPC.

• Some commands related to AWS Lambda and VPC routing include: aws lambda create-function, aws lambda update-function-configuratio...read more
Answered by AI
Add your answer

Q1. Explain kubernetes architecture
Ans. 
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
Answered by AI
Add your answer
Q2. Types of instances in AWS
Ans. 
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.
Answered by AI
Add your answer

Q1. Regarding AWS networking, Jenkins, Terraform, Linux
Add your answer
Q2. Write dockerfile to run python script.
Ans. 
Dockerfile to run a Python script
• Use a base Python image as the starting point

• Copy the Python script into the container

• Specify the command to run the Python script
Answered by AI
Add your answer
Q3. Run vs CMD vs ENTRYPOINT.
Ans. 
Run vs CMD vs ENTRYPOINT are Docker instructions used to specify commands to be executed when a container is launched.
• RUN is used to execute commands during the build of the image

• CMD is used to provide default arguments for the entrypoint or to specify the command to run when the container starts

• ENTRYPOINT is used to specify the executable that will run when the container starts, and CMD can be used to provide addition...read more
Answered by AI
Add your answer
Q4. How to upgrade kubernetes cluster version
Ans. 
To upgrade a Kubernetes cluster version, you can use kubeadm tool or manually update each component.
• Use kubeadm tool to upgrade the cluster version

• Check the current version of the cluster using kubectl

• Upgrade the control plane components first, followed by worker nodes

• Ensure compatibility of applications with the new version before upgrading

• Backup important data and configurations before upgrading
Answered by AI
Add your answer
Q5. Terraform file to provision ec2 instance and import existing instance with their configuration
Ans. 
Use Terraform to provision ec2 instance and import existing instance with their configuration
• Create a Terraform configuration file with necessary resources like aws_instance

• Use the import command to import existing instance with their configuration

• Update the Terraform configuration file with the imported instance details

• Apply the Terraform configuration to provision the ec2 instance
Answered by AI
Add your answer

Q1. Kubernetes architecture
Add your answer
Q2. CICD pipeline in jenkins
Ans. 
CICD pipeline in Jenkins automates the process of building, testing, and deploying code.
• Jenkins is a popular automation server used for CICD pipelines

• CICD pipeline in Jenkins typically involves stages like build, test, deploy

• Jenkins plugins can be used to integrate with various tools for automation

• Pipeline scripts in Jenkins can be written in Groovy language
Answered by AI
Add your answer

Aptitude was mix of questions from logical reasoning, english grammar to simple numerical problems.

Q1. Questions were regarding projects done.
Add your answer