AWS Interview Questions and Answers For Freshers

In this AWS tutorial, we will discuss AWS Interview questions & answers. Ensure your Interview preparation is in a different direction with this set of frequently-asked AWS interview questions to which we present detailed answers. 

AWS Interview Questions and Answers

As mentioned below, we have divided the interview questions into different categories that can help a fresher/beginner, an experienced professional, an AWS Developer, or an Admin to crack the interview easily.

  • Basic AWS interview questions and answers 
  • General AWS Interview questions and answers
  • Advanced AWS interview questions and answers
  • AWS interview questions and answers for experienced
  • Scenario-based AWS interview questions

Basic AWS Interview Questions and Answers

Well, here, let us discuss a list of basic AWS interview questions and answers.

  1. What is AWS?

Answer: Amazon Web Services (AWS) is an excellent cloud platform by Amazon to fulfill the need for your cloud computing solutions.

AWS provides you with more than 200 services in terms of security, storage, networking, analytics, etc, and also, as a developer, you will get so many Developer tools that make your life easy.

It is a very scalable and cost-effective cloud environment.

2. What are the different categories of services offered by cloud computing?

Answer: Many private and public clouds are available in the market. Below are the different categories of services provided by all cloud computing.

  • SaaS: This is Software as a service. It would be best to utilize the software without taking any headaches for software maintenance.
  • PaaS: This is Platform as a service. You will get a complete, ready-to-use platform with all the hardware and software loaded. You won’t be bothered about the maintenance of the whole platform.
  • IaaS: This is Infrastructure as a service. You will get all the needed computing, networking, and storage resources based on your requirements.

3. What are the main components of AWS?

Answer: Below is the list of a few key components in AWS that you should keep in mind.

  • EC2 (Elastic Compute Cloud): In situations when you face heavy workloads all of a sudden, EC2 is the one that can help you provide different computing resources immediately for hosting your applications.
  • Route 53: An excellent DNS web service provided by AWS.
  • S3 (Simple Storage Device): This is one of the most demanded storage devices and AWS services.
  • EBS (Elastic Block Store): This is one of AWS’s simple and highly performed block storage. This storage is mostly attached or connected to the EC2.
  • CloudWatch: AWS provides an excellent tool to monitor the AWS resources.
  • IAM (Identity & Access Management): It helps you provide identity management and enhanced security for your AWS account.
  • Amazon DynamoDB: A NoSQL database from Amazon.
  • Simple E-mail Service: An excellent service to deal with Email communications.

4. What are the key services provided by AWS?

Answer: A list of a few key services provided by AWS.

  • Computing
  • Storage
  • Database
  • Networking
  • Messaging
  • DevOps
  • IoT

5. What are the products offered by AWS?

Answer: Below is the list of a few most demanded products provided by AWS based on the cloud service types.

Computing Services: AWS Lambda, AWS EC2, Auto-Scaling, etc.

Storage Services: Amazon S3, Amazon Elastic Block Store (EBS), Amazon Glacier, etc.

Database Services: Amazon RDS, DynamoDB, Amazon Redshift, etc.

Networking Services: Amazon CloudFront, Route53, VPC, etc.

General AWS Interview questions and answers

6. What is S3?

Answer: Simple Storage Service, also known as S3, is an excellent storage service that allows you to store or retrieve data at any amount of time from anywhere. There is no specific limit on the amount of data.

Another interesting point is you need to pay based on the “pay as you go.” model.

7. What is Amazon CloudWatch?

Answer: Amazon CloudWatch is a very good service that helps you monitor your Azure resources or applications very closely. It captures all the logs, events, etc.

Not only that, but it also helps you set the alarms, troubleshoot the issues, etc.

8. What is VPC in AWS, and what is the full form of VPC?

Answer: Amazon VPC or Amazon Virtual Private Cloud allows you to launch your AWS resources into a virtual network you have defined as per your requirement.

Using the VPC in AWS, you can customize your network configuration based on your needs.

9. What is SnowBall in AWS?

Answer: SnowBall is an application in AWS that mainly helps you to transfer a good amount of data in and out of your AWS environment.

10. What is a VPC peering connection?

Answer: A VPC peering connection creates a network connection between VPCs to look like they are working on the same network.

11. What is AMI in AWS?

Answer: AMI or Amazon Machine Image is responsible for providing you with different information on launching an instance. The instances are nothing but virtual servers in the AWS cloud.

12. List down the differences between Amazon S3 and Amazon EC2

Answer: Below is a few key differences between Amazon S3 and Amazon EC2.

S3 EC2
This is one of the most demanded storage devices or AWS services.This is an excellent Amazon web service.
Helps you mainly for storing or retrieving data.EC2 helps you to provide different computing resources im