Symphony SummitAI 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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Mental ability, problem of L.C.M and H.C.F,simplification etc

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?
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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. What are microservices
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Microservices are a software development technique where applications are composed of small, independent services that communicate with each other.
• Microservices are small, independent services that focus on specific business functions.

• Each microservice runs its own process and communicates with other services through APIs.

• Microservices can be developed, deployed, and scaled independently.

• Examples of companies using mic
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Q2. What is containerisation
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Containerisation is a method of packaging, distributing, and running applications in isolated environments called containers.
• Containers are lightweight, portable, and efficient units that encapsulate an application and its dependencies.

• They provide a consistent environment for applications to run across different platforms.

• Popular containerization platforms include Docker and Kubernetes.

• Containerisation helps in achiev...read more
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