Most Asked AWS Interview Questions & Answers [For Freshers & Experienced]

The fast-moving world laced with technology has created a convenient environment for companies to provide better services to their clients. Cloud computing is one aspect brands strive hard to incorporate into their services. The service accounts for easier accessibility and storage options for customers to sustain their requirements at any time of the day without needing to be in touch with their hefty complex storage devices. 

The prevalence of cloud computing services in our daily lives has created a demand for skilled experts. Consequently, the cloud computing industry is hovering for a prosperous future. Experienced professionals seeking to establish themselves in this domain are in high demand.

The rapid assimilation of cloud computing services into our daily lives has led to the need for learned professionals owning expertise in the domain. As a result, the cloud computing industry has a bright future, and the current market demand is exceptional for experienced people looking out to make a name in the zone. 

If you wish to be a part of this globally emerging market, you must have one significant skill necessary to perform the role well. AWS, or Amazon Web Services, is a cloud computing platform companies rely on for their storage, server, networking, security, remote computing, and many such features used by leading industry brands such as Netflix and Adobe. Thus, to make a career in cloud computing, you must excel in AWS interviews. Here are some of the AWS interview questions and answers to help you prepare for the big day!

10 Questions and Answers for AWS Interview 

Q1: Explain what is AWS?

Amazon provides a complete cloud computing platform known as Amazon Web Services (AWS).It offers many scalable and cost-effective services, including computing power, storage options, and databases where you can access these services through the internet.

The advantage of AWS is that users can quickly deploy and manage applications without investing in hardware upfront. By taking care of infrastructure management, security, and maintenance complexities, AWS allows businesses and developers to focus on innovation and growth. AWS offers dependable and adaptable cloud solutions to businesses of any scale and industry, with data centers located worldwide.

Q2: What are the primary services offered by AWS?

Services offered by AWS can be divided into four categories. These categories constitute networking, computing, storage, and security. Each of these four includes several cloud-run products curated for cross-functional uses by individuals, companies, and governments. Some of them include EC2, Lamba, CloudFront, Elastic File System, VPC, LightSat, etc., joining together to deliver attributes of a real computer but on the cloud.

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Q3: What is S3?

Amazon S3, also known as Amazon Simple Storage Service, is a storage solution based in the cloud. It allows users to conveniently store and retrieve data anywhere and anytime through a web service interface. With its scalability and durability, Storing large amounts of data is made easy with Amazon S3. It is an excellent option to consider.This platform is widely used by developers worldwide. Users can enjoy the benefits of this reliable online backup service with a flexible pricing model that allows them to pay only for the storage they use.

Q4: What is Cloudfront?

Cloudfront is a content delivery network comprising the distribution of proxy servers globally, as people can access content data based on their geographical location. Cloudfront follows geotargeting as it lets the servers curate content on their webpage based on people’s geographical data without changing the URL. Also, the servers cache content and allow local users easy access to stream or download web content. 

Q5: What is AWS SNS?

The Simple Notification Service (SNS) provided by Amazon Web Services allows publishers to efficiently send notifications to subscribers using a push notification system. It is designed to support various communication scenarios between applications and individuals, making it a versatile solution for multiple purposes. 

SNS ensures high availability by replicating messages across multiple availability zones, which improves reliability. Its user-friendly interface and APIs make integration with existing applications simple. With its global infrastructure, SNS offers fast message delivery with low latency worldwide. This scalable and dependable service plays a crucial role in real-time information sharing, making it an indispensable tool for modern cloud-based architectures and seamless communication between applications and users.

Q6: What is AWS Disaster Recovery Solution?

AWS Disaster Recovery Solution is the most prominently known AWS feature that helps reduce data loss due to its fast, reliable recovery systems dealing with possible network failures or attacks. In addition, disaster Recovery Solution creates backups or data replicas to keep data saved under any uncertain times. The program also helps generate better productivity as it is cost-effective, high-performance, and replicates data to protect from seasonal fluctuations in lower recovery times.

Q7: What is Cloudformation in AWS?

Juggling various AWS services can get complicated. Hence, Cloudformation is created to solve concerns with its library full of templates and extra AWS resources. Instead of seeking resources with every possible use, a library full of templates is easier to access. The program collects AWS resources to manage them in an organized manner for businesses and developers. 

Q8: What are Availability zones and Regions in AWS?

Availability zone in AWS stands for the geographical area where cloud services are centered and operate with redundant power and networking infrastructure. These availability zones are present inside the regions. The difference between these two is that the region constitutes a separate geographical area while the availability zone comprises multiple isolated places within regions. 

Q9: Explain VPC in AWS.

Virtual Private Cloud of VPC in AWS is a cloud computing service that provisions isolated networking clouds for better connectivity and networking. What sets it apart from the AWS service is that you have full control over your virtual experience. This means you can customize and use the network configuration according to your requirements. Furthermore, the virtual private cloud ensures protection against any interference or public access.

Q10: What is the VPC-Peering Connection?

VPC peering establishes a connection between two VPCs enabling it to route traffic between them. For example, creating a VPC peering connection can help transfer heavy files over the created link. However, VPC peering connection can only be established if the receiver accepts or rejects the request.

How to prepare for the AWS interview?

Besides practicing interview questions and answers, follow the basic interview preparation structure to stay ready. The essentials for the interview are researching about the company, comprehending the job description, and creating a well-formatted application. Finally, review fundamental AWS lessons for a quick revision. Make sure you know the basics well and answer the questions with utmost confidence and precision. Ensure you know the basics well and answer the questions confidently and precisely.

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Conclusion

The AWS interview is no different from any other interview. As long as you have the right knowledge about its components and their apt functioning, the interview process will turn smoother. Run through all the found resources to polish your knowledge. Apart from individual preparation, digital training and certificates are some recent ways people are trying to brush up their AWS skills.