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Top 17 Interview Questions and Answers

Top 17 AWS Interview Questions & Answers in 2023

Are you preparing for an AWS interview? If so, we are here to help you out! In this blog post, we will be exploring the most common AWS basic interview questions and answers.

We will start by looking at the basic questions, such as what AWS is, and then move on to more advanced topics, such as security and scalability. So if you are ready to ace your AWS interview, then read on and get ready to impress!


Amazon Web Services (AWS) is a cloud computing platform developed by Amazon that provides users with various services, including storage, computing power, networking, and analytics.

It is designed to make it easy for customers to access cloud-based technology without building and maintaining their own IT infrastructure. AWS allows organizations to quickly and easily deploy applications and services on the cloud, reducing the time and cost associated with on-premise infrastructure.

With its advanced and secure features, AWS has become one of the world’s most popular cloud computing platforms, used by businesses of all sizes.

The present scenario of AWS (Amazon Web Services) is very positive and encouraging. With over 175 services, the cloud-based platform is one of the most potent and reliable.

It offers a comprehensive suite of business services, from storage and computing to networking, analytics, and more. AWS is one of the most popular cloud service providers worldwide, used by millions of customers across the globe.

AWS constantly innovates its platform to provide users with the best possible experience, from easy-to-use tools to sophisticated automation and security features. This makes it attractive for businesses looking for cost-effective and secure cloud solutions.

AWS is well-known for its scalability and reliability, allowing businesses to scale up or down their infrastructure as needed quickly. With low latency and high performance, AWS offers companies the opportunity to serve customers worldwide efficiently.

Additionally, its global network of data centres allows customers to deploy applications quickly and securely while providing access to a vast pool of resources.

The scope and demand of AWS have been growing steadily in recent years due to its ability to reduce costs while increasing agility and scalability. AWS offers a wide range of solutions and services that enable businesses to quickly spin up applications and resources as needed, saving time and money. With its easy-to-use dashboard and quick deployment capabilities, AWS makes it simple for businesses to get started quickly with their cloud solutions.

Furthermore, AWS’s extensive array of products and services is designed to meet the needs of any organization, from small startups to large enterprises. Businesses can use AWS for almost anything, from simple website hosting to complex data analysis and machine learning projects.

Additionally, AWS continuously innovates and adds new features that give businesses more control and flexibility over their data and applications.

In short, the scope and demand of AWS have been overgrowing in recent years due to its cost-effectiveness, scalability, and wide range of features. With its powerful suite of services, businesses can deploy and manage applications quickly, saving them time and money.

Key Features of AWS

AWS offers its users a broad range of cloud computing services, including computing, Storage, Database, Analytics, Application Services, Networking, and more. AWS also offers a wide range of security features and tools to help users protect their data and applications.

Compute: Amazon EC2 (Elastic Compute Cloud) is the service that provides resizable compute capacity in the cloud. It is designed to make web-scale cloud computing easier for developers by providing a simple web service interface.

Storage: Amazon S3 (Simple Storage Service) is an object storage service designed for storing and retrieving any amount of data from anywhere on the web. It stores data in a secure, durable and highly-scalable manner.

Database: Amazon RDS (Relational Database Service) is a managed database service that allows users to set up, operate and scale a relational database in the cloud. It provides various engine options such as MySQL, PostgreSQL, Oracle and Microsoft SQL Server.

Analytics: Amazon EMR (Elastic MapReduce) is a big data processing service that enables users to quickly and cost-effectively process vast amounts of data. It can quickly analyze large datasets such as logs, clickstreams, and text documents.

Application Services: Amazon API Gateway is a fully managed service that makes it easy for developers to create, publish, maintain and monitor APIs. It supports many popular protocols and can be used to create APIs for serverless backends and applications.

Networking: Amazon VPC (Virtual Private Cloud) is a secure and isolated section of the AWS cloud that can deploy applications in a virtual environment. It can control network access, define security policies and create private networks within the AWS cloud.

Security: AWS provides a wide range of security features and tools that can be used to protect your applications and data. These include identity and access management, encryption services, firewall rules, and audit logging.

These are some of the key features of AWS that make it one of the most popular cloud platforms in the world. AWS’s robust set of services makes it easy for developers to quickly build and deploy applications in the cloud.

AWS Interview Problems and How to Solve

When preparing for an AWS interview, it is essential to understand the types of questions commonly asked. Interviewers want to know if you have a solid understanding of Amazon Web Services and the various components that make up the platform. Various AWS topics could be discussed in an interview, such as security, scalability, and cost optimization.

Many interviews will begin with an overview of your experience with AWS, including what you have implemented and what technologies you have used. You should also be prepared to answer questions about the specific features of AWS and how they can be used to solve business problems.

Interviewers may also ask questions to test your knowledge of the basics of cloud computing, such as the advantages and disadvantages of cloud services compared to traditional server-based solutions. Questions could cover security, scalability, resource management, pricing models, and other topics related to cloud computing.

Finally, interviewers may ask questions about your ability to manage an AWS deployment. This could include questions about the process of setting up and maintaining an AWS environment, as well as the techniques used to optimize performance. Additionally, you may be asked to discuss best practices for using AWS, such as using automation or managing costs.

By studying these topics and having a solid understanding of Amazon Web Services, you will be better equipped to answer questions and demonstrate your knowledge during an interview.

How to Ace Your AWS Interview: Questions and Answers

Knowing how to answer the most common AWS interview questions and answers can help you make a great impression and increase your chances of success. In this section, we’ll cover some of the most commonly asked AWS interview questions and answers and provide useful tips on how to craft the best answers. With a bit of practice and preparation, you can make your AWS interview a success and ace it!

List of AWS Interview Questions and Answers

1. What is Amazon Web Services (AWS)?

Answer: Amazon Web Services (AWS) is a comprehensive cloud computing platform offering various services, including computing power, storage, databases, analytics, networking, mobile and developer tools, and much more. It’s designed to enable companies to deploy applications and services with minimal effort quickly.

2. What are the benefits of using AWS?

Answer: AWS offers numerous business benefits, including scalability, flexibility, cost savings, security, reliability, and more. With AWS, businesses can scale their computing power up or down as needed, providing on-demand access to resources that can help them quickly develop and launch new applications or services. Additionally, AWS offers a range of cost-effective solutions that can help businesses reduce their IT costs.

3. How do you secure data on AWS?

Answer: AWS provides various security features to help protect data stored in the cloud. These include data encryption at rest and in transit, identity and access management, auditing and logging, threat detection and response, and more. Additionally, customers can leverage AWS CloudTrail to keep track of all activities that occur on their accounts.

4. What is Amazon EC2?

Answer: Amazon Elastic Compute Cloud (EC2) is a web service that allows users to rent virtual computers (instances) to run applications and services. EC2 provides customers with various instance types and configurations to fit their needs. Customers can also quickly scale their EC2 resources up or down as needed.

5. What is Amazon S3?

Answer: Amazon Simple Storage Service (S3) is an object storage service that allows customers to store and retrieve any amount of data anywhere in the world. It is highly durable, secure, and cost-effective for storing large amounts of data for archiving and backup purposes. S3 is also integrated with other AWS services, such as EC2, Glacier, and Lambda.

6. What is Amazon RDS?

Answer: Amazon Relational Database Service (RDS) is a managed database service that makes it easy to set up, operate, and scale relational databases in the cloud. RDS supports multiple database engines, including MySQL, PostgreSQL, Oracle Database, SQL Server, MariaDB, and Amazon Aurora.

7. What is Amazon EBS?

Answer: Amazon Elastic Block Store (EBS) is a block storage service designed specifically for use with EC2 instances. It enables customers to create highly available and scalable volumes of various sizes and performance characteristics that can be attached to EC2 models and used like physical hard drives.

8. What is Amazon VPC?

Answer: Amazon Virtual Private Cloud (VPC) allows customers to create isolated networks within the AWS environment to launch AWS services and other resources securely. VPC enables customers to customize their network settings, such as IP address ranges, subnets, route tables, network gateways, and more.

9. What are some of the key features of Amazon S3?

Answer: Amazon S3 is a highly reliable, scalable, and secure cloud storage service that enables organizations to store large amounts of data in the cloud. Its key features include automatic data replication, encryption, content delivery network integration, and versioning.

10. What are the different types of services offered by AWS?

Answer: AWS offers various services, including computing, Storage, Database, Networking, Machine Learning & AI, Security & Identity, Mobile Services, Application Services, and Management & Governance. These services allow developers to quickly build, deploy, and manage applications in the cloud.

11. How does AWS ensure the security and privacy of user data?

Answer: AWS employs several measures to ensure the security and privacy of user data stored in the cloud. This includes providing encryption at rest and in transit, authentication protocols like multi-factor authentication and token-based authentication, identity and access management tools, network security through virtual private clouds (VPCs), and numerous other security measures.

12. How easy is it to migrate existing applications to AWS?

Answer: Migrating existing applications to AWS can be relatively simple, depending on the complexity of your application architecture and how compatible it is with AWS services.

13. In addition to creating a single server instance, what other ways can you deploy code on AWS?

Answer: In addition to creating a single server instance, you can deploy code on AWS using containers, serverless technologies, or even managed Kubernetes clusters. Each of these solutions has advantages and disadvantages, so assessing your needs and determining which option works best for your situation is essential.

14. What is AWS Lambda?

Answer: AWS Lambda is a serverless computing service that lets you run code without provisioning or managing servers. It executes your code only when triggered and runs the exact amount of code needed to complete the task, thus eliminating idle time and saving on costs.

15. What is AWS Auto Scaling?

Answer: AWS Auto Scaling is a service that automatically adds and removes capacity to maintain performance for applications running on AWS. It helps to ensure that applications remain available and perform optimally, regardless of the workload demand.

16. What is the purpose of IAM roles?

Answer: IAM roles allow you to assign specific permissions to your organization’s users, groups, or services. This way, rather than granting individual permissions to each user, you can create roles and assign them to groups or services as needed. This makes access management more accessible, as roles can easily be adjusted or revoked.

17. What is Amazon Kinesis?

Answer: Amazon Kinesis is a real-time data streaming service used to ingest large amounts of streaming data into AWS.


Having a list of AWS interview questions and answers to review before your interview is an excellent way to increase your chances of success. It can help you be more prepared and confident during the interview.

With a good understanding of the topics you may be asked about, you can ensure that you are well-equipped to answer any questions you may receive. Having a clear understanding of the topics that are commonly asked about in an AWS interview can also help you come up with better questions for your interviewer.

In the end, having a list of AWS basic interview questions to review before your interview can make all the difference in acing your interview.

Hope this article about AWS basic interview questions have helped you in preparing for your AWS interview questions and answers


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