Infosys Azure Cloud Engineer Interview Questions and Answers

Q1. Describe your roles and responsibilities in previous job.
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Q2. Describe your technical expertise in cloud.
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Q3. Where are your career path in cloud?
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Q1. Describe did you manage your work life and personal life while working in 24x7 shift?
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Q2. How do you plan to step into leading a team and managing a project?
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Q1. Lets say you have table 1 with values 1,2,3,5,null,null,0 and table 2 has null,2,4,7,3,5 What would be the output after inner join?
Ans. 
The output after inner join of table 1 and table 2 will be 2,3,5.
• Inner join only includes rows that have matching values in both tables.

• Values 2, 3, and 5 are present in both tables, so they will be included in the output.

• Null values are not considered as matching values in inner join.
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Q2. Lets say you have customers table with customerID and customer name, Orders table with OrderId and CustomerID. write a query to find the customer name who placed the maximum orders. if more than one person...read more
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Q3. Spark Architecture, Optimisation techniques
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Q4. Some personal questions.
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Q1. Explain the entire architecture of a recent project you are working on in your organisation.
Ans. 
The project involves building a data pipeline to ingest, process, and analyze large volumes of data from various sources in Azure.
• Utilizing Azure Data Factory for data ingestion and orchestration

• Implementing Azure Databricks for data processing and transformation

• Storing processed data in Azure Data Lake Storage

• Using Azure Synapse Analytics for data warehousing and analytics

• Leveraging Azure DevOps for CI/CD pipeline aut
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Q2. How do you design an effective ADF pipeline and what all metrics and considerations you should keep in mind while designing?
Ans. 
Designing an effective ADF pipeline involves considering various metrics and factors.
• Understand the data sources and destinations

• Identify the dependencies between activities

• Optimize data movement and processing for performance

• Monitor and track pipeline execution for troubleshooting

• Consider security and compliance requirements

• Use parameterization and dynamic content for flexibility

• Implement error handling and retries fo
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Q3. Lets say you have a very huge data volume and in terms of performance how would you slice and dice the data in such a way that you can boost the performance?
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Q4. Lets say you have to reconstruct a table and we have to preserve the historical data ? ( i couldnt answer that but please refer to SCD)
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Q5. We have adf and databricks both, i can achieve transformation , fetching the data and loading the dimension layer using adf also but why do we use databricks if both have the similar functionality for few ...read more
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Q1. Basic HR questions
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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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Q1. Nothing interviewers interested about your past experience, work you handled in last project , your roles & responsibilities.
Ans. Just prepare everything you mentioned in your resume
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Q1. Second round is with project head. Only looking for your problem handling skills & how youn present yourself. Mostly focus on your communication.
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Q1. Salty discussion. Be carefully they try to give you only 20% hikes on current package. Negotiate properly.
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30 Minutes Round- Easy to moderate level

Q1. Day to day activities?
Ans. 
Day to day activities involve managing Azure DevOps pipelines, monitoring builds, resolving issues, collaborating with teams.
• Managing Azure DevOps pipelines for continuous integration and deployment

• Monitoring builds and deployments for any issues or failures

• Resolving any issues that arise during the development process

• Collaborating with development teams to ensure smooth workflow and communication

• Implementing best prac...read more
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Q2. Quetsions on various devops tools
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