10+ Rayban Sun Optics India Interview Questions and Answers

Explaining recent Terraform project, accessing storage account blob container from multiple subscriptions, Azure DevOps variable group and pipeline, and brief on Ansible role.

• Recently worked on Terraform project to provision Azure resources

• Defined variables in Terraform configuration for resource names and sizes

• Accessed storage account blob container from multiple subscriptions using shared access signature (SAS) tokens

• Current project infrastructure in Azure includes virtual ...read more

Questions related to Azure DevOps Engineer role

• Terraform workspaces are used to manage multiple environments with the same codebase

• Null resource in Terraform is used to execute arbitrary code that doesn't create any resources

• Git fetch downloads changes from the remote repository but doesn't merge them with the local branch

• Load balancer in Azure distributes incoming traffic across multiple virtual machines

• Application gateway in Azure is a web traffic load balancer that can als...read more

Config map and secrets are Kubernetes objects used to manage configuration data and sensitive information.

• Config map is used to store non-sensitive configuration data in key-value pairs

• Secrets are used to store sensitive information like passwords, API keys, and tokens

• Both config map and secrets can be mounted as volumes or used as environment variables in Kubernetes pods

CI/CD pipelines automate the process of building, testing, and deploying code changes.

• CI/CD stands for Continuous Integration/Continuous Deployment

• Automates the process of integrating code changes into a shared repository and deploying them to production

• Helps in detecting and fixing integration errors early in the development process

• Enables faster delivery of software updates and improvements

• Popular tools for CI/CD pipelines include Jenkins, Azure DevOps, GitLab CI/CD

Docker is a platform for developing, shipping, and running applications in containers. Kubernetes is a container orchestration tool for managing containerized applications across a cluster of nodes.

• Docker allows developers to package applications and their dependencies into containers for easy deployment.

• Kubernetes automates the deployment, scaling, and management of containerized applications.

• Docker containers are lightweight, portable, and isolated environments that run on ...read more

Application load balancing is a method used to distribute incoming network traffic across multiple servers.

• It helps improve the performance and reliability of applications by evenly distributing the workload.

• Load balancers can be hardware-based or software-based.

• Common load balancing algorithms include round-robin, least connections, and IP hash.

• Examples of load balancers include NGINX, HAProxy, and Azure Load Balancer.

Kubelet is the primary node agent that runs on each node in a Kubernetes cluster.

• Kubelet is responsible for managing the pods on the node, ensuring they are running and healthy.

• It communicates with the Kubernetes API server to receive instructions and report the status of the node.

• Kubelet also monitors the health of the node and takes actions if necessary, such as restarting pods.

• It interacts with container runtimes like Docker to manage the containers within the pods.

Terraform is an open-source infrastructure as code software tool created by HashiCorp.

• Terraform allows users to define and provision infrastructure using a declarative configuration language.

• It supports multiple cloud providers such as AWS, Azure, Google Cloud, and more.

• Terraform uses 'terraform plan' to create an execution plan and 'terraform apply' to apply the changes.

• It helps in automating the creation, modification, and versioning of infrastructure.

• Terraform state file k...read more

Azure DevOps is a set of development tools provided by Microsoft to help teams collaborate and deliver high-quality software.

• Azure DevOps includes services such as Azure Repos, Azure Pipelines, Azure Boards, Azure Artifacts, and Azure Test Plans.

• It allows for version control, continuous integration/continuous deployment (CI/CD), project management, and testing.

• Teams can plan, build, test, and deploy applications using Azure DevOps.

• It integrates with various development tools ...read more

CI/CD pipeline automates the process of integrating code changes and deploying them to production.

• Continuous Integration (CI) involves automatically building and testing code changes as they are committed to a shared repository.

• Continuous Deployment (CD) involves automatically deploying code changes to production after passing tests in the CI phase.

• CI/CD pipelines help in achieving faster and more reliable software delivery.

• Tools like Jenkins, Azure DevOps, and GitLab are com...read more