Here is a list of some common AWS interview questions and answers that you might encounter in a technical interview in 2023:

What is Amazon Web Services (AWS)? Amazon Web Services (AWS) is a cloud computing platform that provides a variety of services, including compute, storage, and database, as well as machine learning, analytics, and internet of things (IoT).

  1. What is the difference between IaaS, PaaS, and SaaS?

    IaaS (Infrastructure as a Service) refers to a type of cloud computing where the customer is responsible for the operating system and applications, but the infrastructure is provided by the service provider. PaaS (Platform as a Service) refers to a type of cloud computing where the customer is responsible for the applications, but the service provider is responsible for the infrastructure and the operating system. SaaS (Software as a Service) refers to a type of cloud computing where the customer uses a software application that is hosted and managed by the service provider.

  2. What is Amazon Elastic Compute Cloud (EC2)?

    Amazon Elastic Compute Cloud (EC2) is a service that allows users to rent virtual servers, called instances, on which they can run their own applications.

  3. What is Amazon Simple Storage Service (S3)?

    Amazon Simple Storage Service (S3) is an object storage service that allows users to store and retrieve data from anywhere on the internet.

  4. What is Amazon Relational Database Service (RDS)?

    Amazon Relational Database Service (RDS) is a managed database service that makes it easy to set up, operate, and scale a relational database.

  5. What is Amazon DynamoDB?

    Amazon DynamoDB is a fast, fully managed NoSQL database service that makes it easy to store and retrieve any amount of data.

  6. What is Amazon Redshift?

    Amazon Redshift is a fully managed data warehousing service that makes it easy to analyze large amounts of data using SQL and other standard business intelligence tools.

  7. What is Amazon EMR?

    Amazon EMR (Elastic MapReduce) is a service that makes it easy to process large amounts of data using Apache Hadoop and other big data processing frameworks.

  8. What is Amazon Athena?

    Amazon Athena is a serverless, interactive query service that allows users to analyze data in Amazon S3 using SQL.

  9. What is Amazon Kinesis?

    Amazon Kinesis is a real-time data processing service that makes it easy to collect, process, and analyze streaming data.

  10. What is Amazon Web Services (AWS)?

    Amazon Web Services (AWS) is a cloud computing platform that provides a variety of services, including compute, storage, and database, as well as machine learning, analytics, and internet of things (IoT).