Aws Interview Questions And Answers For Freshers
AWS Interview Questions and Answers for Freshers: Comprehensive Guide
Aws Interview Questions And Answers For Freshers
For freshers preparing for AWS interviews, it is important to focus on understanding the basic concepts of cloud computing, such as storage options, security measures, and scalability features offered by AWS. Common interview questions may revolve around your knowledge of AWS services like EC2, S3, IAM, and RDS, as well as your problem-solving skills in scenarios related to cloud architecture and deployment. Be prepared to discuss your experience with AWS projects or certifications, and demonstrate your ability to adapt to new technologies and learn continuously. Practice coding exercises and case studies to showcase your practical skills and problem-solving abilities. Remember to stay confident, articulate your thoughts clearly, and showcase your passion for cloud computing and AWS technology during the interview.
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1 - Describe the various storage options available in AWS.
AWS offers a range of storage options, including Amazon S3 for scalable object storage, Amazon EBS for block storage volumes, and Amazon Glacier for low cost archival storage. Additionally, AWS Storage Gateway allows you to integrate on premises storage with the AWS cloud, while Amazon EFS provides scalable file storage for EC2 instances. Each storage option caters to different use cases and requirements, allowing users to choose the most suitable option based on performance, durability, and cost considerations.
2) Explain the differences between Amazon EC2 and Amazon Lambda.
Amazon EC2 is a service that allows users to provision virtual servers in the cloud, giving them full control over the server environment. On the other hand, Amazon Lambda is a serverless computing service that runs code in response to triggers without the need to manage servers. While EC2 provides more flexibility and control over server configurations, Lambda is ideal for event driven, highly scalable applications where users only pay for the compute time they consume.
3) How does AWS handle security?
AWS follows a shared responsibility model for security, where AWS is responsible for securing the infrastructure and physical facilities, while customers are responsible for securing their data, applications, and operating systems. AWS provides a range of security features and services, including Identity and Access Management (IAM) for managing user access, VPC for network isolation, encryption services for data protection, and monitoring tools like CloudTrail and GuardDuty for detecting suspicious activity.
4) What is the difference between RDS and DynamoDB?
Amazon RDS is a relational database service that supports popular database engines like MySQL, PostgreSQL, and SQL Server, providing managed infrastructure for traditional relational databases. In contrast, Amazon DynamoDB is a fully managed NoSQL database service designed for high scalability and low latency applications, offering seamless scalability and automatic data replication across multiple regions. RDS is suitable for traditional relational data models, while DynamoDB is ideal for large scale, high performance applications requiring low latency access to unstructured data.
5) Explain the benefits of using Amazon S3.
Amazon S3 offers numerous advantages, such as high durability and availability through data replication across multiple facilities within a region, scalability to accommodate varying storage requirements, and cost effective storage options based on usage patterns. Additionally, Amazon S3 provides secure data transfer and access controls, versioning to track changes, and integration with other AWS services for seamless data management and processing workflows.
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