HCLTech Azure DevOps Engineer Interview Questions and Answers

Q1. What is Terraform
Ans. 
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, modificatio...read more
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Q2. What is Azure DevOps
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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 ...read more
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Q3. What is CI/CD pipelines
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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 pip...read more
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Q4. What is Docker and Kubernetes
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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 lig...read more
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An aptitude test is an exam used to determine an individual's skill or propensity to succeed in a given activity. Aptitude tests assume that individuals have inherent strengths and weaknesses and have a natural inclination toward success or failure in specific areas based on their innate characteristics

The transfer of an individual's rights or property to another person or business. This concept exists in a variety of business transactions and is often spelled out contractually.

Q1. Tell me something about yourself? Why are you interested in this job? Would you like to work overtime or odd hours? How do you handle stress, pressure, and anxiety? Etc..
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Q1. Explain the CI CD Flow
Ans. 
CI/CD flow is the process of automating the build, test, and deployment of code changes.
• Continuous Integration (CI) involves automatically building and testing code changes as they are committed to the repository.

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

• CI/CD pipelines use tools like Jenkins, Azure DevOps, or GitLab to automate the process.

• Automated test...read more
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Q2. Power shell Commands
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Q1. Git,CI/CD pipelines,terraform,aetifacts,etc.
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Q1. AZURE DEVOPS IMPLEMENTATIONS
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Azure DevOps implementations involve setting up pipelines, repositories, and automating workflows for efficient software development.
• Setting up CI/CD pipelines to automate build and deployment processes

• Creating and managing repositories for source code version control

• Integrating with various tools for testing, monitoring, and collaboration

• Implementing infrastructure as code for managing resources

• Leveraging Azure DevOps...read more
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Q2. TERRAFROM (IAC)
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Q1. AZURE SERVICES AND PROJECT INTERGATION
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Q2. CLOUD, MICRO-SERVICE ARCHITECTUES
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Q1. What is kubelet
Ans. 
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 li...read more
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Q2. What is config map and secrets
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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
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Q3. Liveliness and readyness
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Q4. Explain about application load balancing
Ans. 
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
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Q1. Explain CI/CD pipeline
Ans. 
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 del...read more
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Q2. Brief on Autoscaling in cloud
Ans. 
Autoscaling in cloud allows resources to automatically adjust based on demand, optimizing performance and cost.
• Automatically adjusts resources based on demand

• Optimizes performance and cost

• Commonly used in cloud environments like Azure, AWS, and Google Cloud

• Examples include scaling up virtual machines during peak traffic times and scaling down during off-peak hours
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