Top 100+ AWS Interview Questions and Answers for 2024
Lesson 13 of 15By Shyamli Jha
Last updated on Mar 19, 2024141523317
Top 100+ AWS Interview Questions and Answers [Updated]
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Basic AWS Interview QuestionsAWS Interview Questions for Intermediate and ExperiencedAdvanced AWS Interview Questions and AnswersAWS Scenario-based QuestionsTechnical and Non-Technical AWS Interview QuestionsView More
Today’s modern world is witnessing a significant change in how businesses and organizations work. Everything is getting digitized, and the introduction of cloud and cloud computing platforms have been a major driving force behind this growth. Today, most businesses are using or are planning to use cloud computing for many of their operations, which consequently has led to a massive surge in the need for cloud professionals.
If you are interested in a career in the cloud industry, your chance has arrived. With cloud computing platforms like AWS taking the present business scenarios by storm, getting trained and certified in that particular platform can provide you with great career prospects.
But in order to get your AWS career started, you need to set up some AWS interviews and ace them. In the spirit of doing that, here are some AWS interview questions and answers that will help you with the interview process. There are a number of different AWS-related questions covered in this article, ranging from basic to advanced, and scenario-based questions as well.
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Basic AWS Interview Questions
1. Define and explain the three basic types of cloud services and the AWS products that are built based on them?
The three basic types of cloud services are:
Computing
Storage
Networking
Here are some of the AWS products that are built based on the three cloud service types:
Computing - These include EC2, Elastic Beanstalk, Lambda, Auto-Scaling, and Lightsat.
Storage - These include S3, Glacier, Elastic Block Storage, Elastic File System.
Networking - These include VPC, Amazon CloudFront, Route53
2. What is the relation between the Availability Zone and Region?
AWS regions are separate geographical areas, like the US-West 1 (North California) and Asia South (Mumbai). On the other hand, availability zones are the areas that are present inside the regions. These are generally isolated zones that can replicate themselves whenever required.
aws region
3. What is auto-scaling?
Auto-scaling is a function that allows you to provision and launch new instances whenever there is a demand. It allows you to automatically increase or decrease resource capacity in relation to the demand.
4. What is geo-targeting in CloudFront?
Geo-Targeting is a concept where businesses can show personalized content to their audience based on their geographic location without changing the URL. This helps you create customized content for the audience of a specific geographical area, keeping their needs in the forefront.
5. What are the steps involved in a CloudFormation Solution?
Here are the steps involved in a CloudFormation solution:
cloud formation
Create or use an existing CloudFormation template using JSON or YAML format.
Save the code in an S3 bucket, which serves as a repository for the code.
Use AWS CloudFormation to call the bucket and create a stack on your template.
CloudFormation reads the file and understands the services that are called, their order, the relationship between the services, and provisions the services one after the other.
6. How do you upgrade or downgrade a system with near-zero downtime?
You can upgrade or downgrade a system with near-zero downtime using the following steps of migration:
Open EC2 console
Choose Operating System AMI
Launch an instance with the new instance type
Install all the updates
Install applications
Test the instance to see if it’s working
If working, deploy the new instance and replace the older instance
Once it’s deployed, you can upgrade or downgrade the system with near-zero downtime.
Take home these interview Q&As and get much more. Download the complete AWS Interview Guide here:
7. What are the tools and techniques that you can use in AWS to identify if you are paying more than you should be, and how to correct it?
You can know that you are paying the correct amount for the resources that you are using by employing the following resources:
Check the Top Services Table
It is a dashboard in the cost management console that shows you the top five most used services. This will let you know how much
