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AWS

  • Q1: What is AWS?
    A: AWS (Amazon Web Services) is a cloud computing platform offered by Amazon that provides a wide range of cloud services, including computing power, storage, databases, networking, analytics, machine learning, and more.
  • Q2: What are the key components of AWS?
    A: The key components of AWS include: Amazon EC2 (Elastic Compute Cloud): Virtual servers in the cloud Amazon S3 (Simple Storage Service): Object storage for files and data Amazon RDS (Relational Database Service): Managed database service Amazon VPC (Virtual Private Cloud): Isolated virtual network environment Amazon Lambda: Serverless computing platform Amazon DynamoDB: NoSQL database service Amazon Route 53: Domain Name System (DNS) web service Amazon CloudFront: Content Delivery Network (CDN) service Amazon SNS (Simple Notification Service): Messaging and notification service
  • Q3: What is an EC2 instance?
    A: An EC2 (Elastic Compute Cloud) instance is a virtual server in the AWS cloud that provides compute capacity. It allows users to rent virtual machines and run applications on the Amazon infrastructure.
  • Q4: What is S3 bucket in AWS?
    A: S3 (Simple Storage Service) bucket is a storage container provided by AWS to store and retrieve any amount of data at any time from the web. It is highly scalable, secure, and designed for durability.
  • Q5: What is the difference between S3 and EBS in AWS?
    A: S3 (Simple Storage Service) is object storage for files and data, while EBS (Elastic Block Store) is block-level storage for EC2 instances. S3 is suitable for storing large amounts of data and is accessible over the internet, while EBS provides persistent block-level storage attached to EC2 instances.
  • Q6: What is the difference between IAM and KMS in AWS?
    A: IAM (Identity and Access Management) is a service that helps you manage access to AWS resources, such as users, groups, and permissions. KMS (Key Management Service) is a managed service that allows you to create and control encryption keys to encrypt your data.
  • Q7: What is the difference between horizontal scaling and vertical scaling?
    A: Horizontal scaling involves adding more instances or resources to distribute the workload, while vertical scaling involves increasing the capacity of existing instances or resources by upgrading their hardware specifications.
  • Q8: What is the AWS Lambda function?
    A: AWS Lambda is a serverless computing service that allows you to run code without provisioning or managing servers. It automatically scales and executes your code in response to events or triggers, such as changes to data in an S3 bucket or an API Gateway request.
  • Q9: What is the difference between Serverless and Containers in AWS?
    A: Serverless computing, such as AWS Lambda, abstracts the underlying infrastructure and allows you to focus on writing code. Containers, such as Amazon ECS (Elastic Container Service) and Amazon EKS (Elastic Kubernetes Service), provide a lightweight and consistent runtime environment for running applications, but you are responsible for managing the underlying infrastructure.
  • Q10: What is the difference between Amazon RDS and Amazon DynamoDB?
    A: Amazon RDS (Relational Database Service) is a managed relational database service that supports popular database engines like MySQL, PostgreSQL, Oracle, and SQL Server. Amazon DynamoDB is a fully managed NoSQL database service that provides fast and predictable performance with seamless scalability.
  • Q11: What is Auto Scaling in AWS?
    A: Auto Scaling is a feature in AWS that automatically adjusts the number of EC2 instances in a group based on demand. It helps in maintaining application availability, scaling resources up or down, and optimizing costs.
  • Q12: What is an AMI in AWS?
    A: An AMI (Amazon Machine Image) is a template that contains the required configuration to launch an EC2 instance. It includes the root file system, operating system, and other software applications.
  • Q13: What is the difference between CloudFront and S3?
    A: CloudFront is a Content Delivery Network (CDN) service that caches and delivers content from edge locations worldwide, providing low-latency access. S3 is object storage for files and data, primarily used for storing and retrieving data directly.
  • Q14: What is the AWS VPC?
    A: VPC (Virtual Private Cloud) is a virtual network environment within AWS that allows you to provision a logically isolated section of the AWS Cloud. It enables you to control the network configuration, IP addressing, subnets, routing, and security settings.
  • Q15: What is the difference between EBS and EFS in AWS?
    A: EBS (Elastic Block Store) is a block-level storage service for EC2 instances, providing persistent storage. EFS (Elastic File System) is a scalable file storage service that can be shared across multiple EC2 instances, providing shared access to files.
  • Q16: What is CloudFormation in AWS?
    A: AWS CloudFormation is a service that allows you to create and manage AWS resources using templates. It helps in automating the provisioning and deployment of infrastructure and applications in a repeatable and consistent manner.
  • Q17: What is AWS SNS?
    A: SNS (Simple Notification Service) is a messaging and notification service in AWS that allows you to send messages or notifications to subscribers via multiple protocols, such as email, SMS, HTTP, or Lambda functions.
  • Q18: What is the AWS CLI?
    A: AWS CLI (Command Line Interface) is a unified command-line tool provided by AWS to manage AWS services. It allows you to interact with AWS resources, create scripts, automate tasks, and configure AWS services.
  • Q19: What is the difference between Amazon RDS and Amazon Redshift?
    A: Amazon RDS is a managed relational database service, while Amazon Redshift is a fully managed data warehousing service. RDS is optimized for OLTP workloads, while Redshift is designed for OLAP workloads and data analytics.
  • Q20: What is AWS CloudTrail?
    A: AWS CloudTrail is a service that enables governance, compliance, and auditability by providing a history of AWS API calls for your AWS account. It helps in tracking changes, troubleshooting, and ensuring security and compliance.
  • Q21: What is the difference between CloudWatch Logs and CloudTrail?
    A: CloudWatch Logs is a service for monitoring and storing log files from applications and systems, while CloudTrail is a service that records AWS API calls. CloudWatch Logs focuses on application-level logging, while CloudTrail captures the API-level activity.
  • Q22: What is AWS Elastic Beanstalk?
    A: AWS Elastic Beanstalk is a platform as a service (PaaS) that simplifies the deployment and management of applications. It automatically handles capacity provisioning, load balancing, scaling, and application health monitoring.
  • Q23: What is the difference between AWS ECS and AWS EKS?
    A: AWS ECS (Elastic Container Service) is a fully managed container orchestration service that supports Docker containers. AWS EKS (Elastic Kubernetes Service) is a fully managed Kubernetes service that allows you to run Kubernetes clusters on AWS.
  • Q24: What is the difference between AWS CloudFront and AWS Route 53?
    A: AWS CloudFront is a content delivery network (CDN) service that caches and delivers content from edge locations worldwide. AWS Route 53 is a scalable domain name system (DNS) web service that translates domain names into IP addresses and routes internet traffic.
  • Q25: What is the AWS Serverless Application Model (SAM)?
    A: AWS Serverless Application Model (SAM) is an open-source framework that simplifies the deployment of serverless applications on AWS. It provides a simplified syntax for defining serverless resources and allows you to build, test, and deploy serverless applications.
  • Q26: What is the difference between Amazon S3 and Amazon Glacier?
    A: Amazon S3 is designed for storing and retrieving frequently accessed data, while Amazon Glacier is a low-cost storage service for archiving data that is accessed less frequently. Glacier offers lower storage costs but has longer retrieval times.
  • Q27: What is the difference between AWS Direct Connect and VPN?
    A: AWS Direct Connect is a dedicated network connection that provides a private and high-bandwidth connection between your datacenter and AWS. VPN (Virtual Private Network) allows you to establish a secure connection over the internet to access resources in AWS.
  • Q28: What is AWS CloudFormation Stack?
    A: An AWS CloudFormation stack is a collection of AWS resources that are created and managed together as a single unit. It allows you to define and provision multiple resources in a predictable and repeatable manner.
  • Q29: What is the AWS Snowball device?
    A: AWS Snowball is a physical device used for transferring large amounts of data into and out of AWS. It helps in overcoming network limitations and offers a secure and efficient way to migrate data.
  • Q30: What is the difference between AWS IoT Core and AWS Greengrass?
    A: AWS IoT Core is a fully managed service that allows you to connect devices to the AWS cloud, securely interact with them, and process device data. AWS Greengrass extends AWS capabilities to edge devices, allowing local processing and edge-to-cloud integration.
  • Q31: What is the AWS Shared Responsibility Model?
    A: The AWS Shared Responsibility Model defines the division of security and compliance responsibilities between AWS and the customer. AWS is responsible for securing the infrastructure, while the customer is responsible for securing their data and applications running on AWS.
  • Q32: What is the difference between AWS CodeCommit and AWS CodePipeline?
    A: AWS CodeCommit is a fully managed source control service that provides secure and scalable hosting for private Git repositories. AWS CodePipeline is a fully managed continuous integration and continuous delivery (CI/CD) service that helps in automating the software release process.
  • Q33: What is the difference between Amazon S3 and Amazon EFS?
    A: Amazon S3 is object storage for files and data, while Amazon EFS is a scalable file storage service that provides shared access to files. S3 is suitable for storing large amounts of data, while EFS is designed for shared access and file-based workloads.
  • Q34: What is the difference between AWS CloudWatch and AWS CloudTrail?
    A: AWS CloudWatch is a monitoring and observability service that provides metrics, logs, and events for AWS resources and applications. AWS CloudTrail is a service that records AWS API calls and helps in auditing and compliance.
  • Q35: What is the difference between Amazon DynamoDB and Amazon Aurora?
    A: Amazon DynamoDB is a fully managed NoSQL database service that provides fast and predictable performance at any scale. Amazon Aurora is a relational database engine that is compatible with MySQL and PostgreSQL and provides high performance, scalability, and availability.
  • Q36: What is the AWS Data Pipeline?
    A: AWS Data Pipeline is a web service that helps you automate the movement and transformation of data between different AWS services and on-premises data sources. It allows you to create data-driven workflows for data processing and analysis.
  • Q37: What is the difference between AWS CloudFormation and AWS Elastic Beanstalk?
    A: AWS CloudFormation is a service for infrastructure as code, allowing you to provision and manage a collection of AWS resources using templates. AWS Elastic Beanstalk is a platform as a service (PaaS) that simplifies the deployment and management of applications.
  • Q38: What is the difference between Amazon RDS and Amazon Aurora?
    A: Amazon RDS is a managed relational database service that supports multiple database engines like MySQL, PostgreSQL, Oracle, and SQL Server. Amazon Aurora is a MySQL and PostgreSQL-compatible relational database engine that provides high performance, scalability, and availability.
  • Q39: What is AWS DataSync?
    A: AWS DataSync is a service that simplifies and accelerates data transfer between on-premises storage systems and AWS storage services. It enables efficient and secure data migration, replication, and synchronization.
  • Q40: What is AWS X-Ray?
    A: AWS X-Ray is a service that helps developers analyze and debug distributed applications in a microservices architecture. It provides insights into request flows, performance bottlenecks, and errors, allowing for better visibility and troubleshooting.
  • Q41: What is the AWS Service Catalog?
    A: AWS Service Catalog is a service that enables organizations to create and manage a catalog of approved IT services. It helps in controlling and governing access to services, promoting self-service provisioning, and maintaining compliance.
  • Q42: What is the difference between AWS CloudWatch Logs and AWS CloudTrail?
    A: AWS CloudWatch Logs is a service for monitoring and storing log files from applications and systems. AWS CloudTrail is a service that records AWS API calls for auditing and compliance purposes.
  • Q43: What is the difference between Amazon Athena and Amazon Redshift?
    A: Amazon Athena is a serverless query service that allows you to analyze data directly from Amazon S3 using standard SQL queries. Amazon Redshift is a fully managed data warehousing service that provides high-performance analytics using columnar storage.
  • Q44: What is AWS Transit Gateway?
    A: AWS Transit Gateway is a service that simplifies network connectivity between Amazon VPCs, on-premises networks, and other cloud networks. It acts as a hub for connecting multiple networks and provides centralized management and control.
  • Q45: What is the AWS Snowball Edge device?
    A: AWS Snowball Edge is a portable device that combines storage, computing, and data transfer capabilities. It is used for data migration, edge computing, and running AWS Lambda functions in disconnected environments.
  • Q46: What is the difference between AWS Secrets Manager and AWS Parameter Store?
    A: AWS Secrets Manager is a service that helps you protect and manage secrets such as database credentials, API keys, and encryption keys. AWS Parameter Store is a service that helps you store and manage configuration data and parameters for your applications.
  • Q47: What is the difference between Amazon ECS and Amazon EKS?
    A: Amazon ECS (Elastic Container Service) is a fully managed container orchestration service that supports Docker containers. Amazon EKS (Elastic Kubernetes Service) is a fully managed Kubernetes service that allows you to run Kubernetes clusters on AWS.
  • Q48: What is the AWS Global Infrastructure?
    A: The AWS Global Infrastructure is a network of data centers located in regions around the world. Each region consists of multiple Availability Zones, which are physically separate and isolated from each other.
  • Q49: What is the difference between AWS IoT Core and AWS IoT Greengrass?
    A: AWS IoT Core is a fully managed service for connecting and managing IoT devices securely. AWS IoT Greengrass extends AWS IoT capabilities to edge devices, enabling local processing and offline operation.
  • Q50: What is AWS AppSync?
    A: AWS AppSync is a fully managed service that simplifies the development of GraphQL APIs. It allows you to connect to various data sources, automatically generate GraphQL schemas, and perform real-time data synchronization.
  • Q51: What is the difference between AWS DynamoDB and AWS DocumentDB?
    A: AWS DynamoDB is a fully managed NoSQL database service that provides fast and predictable performance at any scale. AWS DocumentDB is a fully managed MongoDB-compatible database service that provides scalability, availability, and compatibility.
  • Q52: What is the difference between AWS Lambda and AWS Fargate?
    A: AWS Lambda is a serverless computing service that allows you to run code without provisioning or managing servers. AWS Fargate is a serverless compute engine for containers that allows you to run containers without managing the underlying infrastructure.
  • Q53: What is the difference between Amazon S3 and Amazon EBS?
    A: Amazon S3 is object storage for files and data, while Amazon EBS is block-level storage for EC2 instances. S3 is suitable for storing and retrieving large amounts of data, while EBS provides persistent storage directly attached to EC2 instances.
  • Q54: What is AWS Cloud9?
    A: AWS Cloud9 is a cloud-based integrated development environment (IDE) that allows you to write, run, and debug code from a web browser. It provides a collaborative environment for team coding and supports various programming languages.
  • Q55: What is the difference between AWS Glue and AWS Data Pipeline?
    A: AWS Glue is a fully managed extract, transform, and load (ETL) service that makes it easy to prepare and load data for analytics. AWS Data Pipeline is a web service that helps you automate the movement and transformation of data between different AWS services and on-premises data sources.
  • Q56: What is the difference between Amazon S3 and Amazon EFS?
    A: Amazon S3 is object storage for files and data, designed for storing and retrieving data directly. Amazon EFS is a scalable file storage service that provides shared access to files, designed for shared access and file-based workloads.
  • Q57: What is the difference between AWS CloudFormation and AWS Elastic Beanstalk?
    A: AWS CloudFormation is a service for infrastructure as code, allowing you to provision and manage a collection of AWS resources using templates. AWS Elastic Beanstalk is a platform as a service (PaaS) that simplifies the deployment and management of applications.
  • Q58: What is AWS Secrets Manager?
    A: AWS Secrets Manager is a secrets management service that helps you protect and manage secrets, such as database credentials, API keys, and encryption keys. It provides secure storage, rotation, and retrieval of secrets for your applications.
  • Q59: What is the AWS Well-Architected Framework?
    A: The AWS Well-Architected Framework is a set of best practices and guidelines for designing and operating secure, high-performing, resilient, and efficient applications on AWS. It provides a structured approach to evaluate and improve architectures based on five pillars: operational excellence, security, reliability, performance efficiency, and cost optimization.
  • Q60: What is the difference between Amazon S3 and Amazon Glacier?
    A: Amazon S3 is designed for storing and retrieving frequently accessed data, providing low-latency access. Amazon Glacier is a low-cost storage service for archiving data that is accessed less frequently, providing longer retrieval times but lower storage costs.
  • Q61: What is AWS CodeCommit?
    A: AWS CodeCommit is a fully managed source control service that provides secure and scalable hosting for private Git repositories. It allows you to store and version your code, collaborate with team members, and integrate with other AWS services.
  • Q62: What is the difference between Amazon Redshift and Amazon Athena?
    A: Amazon Redshift is a fully managed data warehousing service that provides high-performance analytics using columnar storage. Amazon Athena is a serverless query service that allows you to analyze data directly from Amazon S3 using standard SQL queries.
  • Q63: What is AWS Organizations?
    A: AWS Organizations is a service that enables you to centrally manage multiple AWS accounts. It helps in organizing accounts into groups, setting policies and permissions, and managing billing and cost allocation across the organization.
  • Q64: What is the difference between AWS Elastic Beanstalk and AWS Lambda?
    A: AWS Elastic Beanstalk is a platform as a service (PaaS) that simplifies the deployment and management of applications, allowing you to run web applications on scalable infrastructure. AWS Lambda is a serverless computing service that allows you to run code without provisioning or managing servers, suitable for running individual functions or event-driven tasks.
  • Q65: What is the difference between Amazon Kinesis Data Streams and Amazon Kinesis Data Firehose?
    A: Amazon Kinesis Data Streams is a scalable and durable real-time streaming service that allows you to ingest and process large volumes of streaming data. Amazon Kinesis Data Firehose is a fully managed service that ingests streaming data and loads it into data stores like S3, Redshift, and Elasticsearch without the need for additional processing.
  • Q66: What is the difference between AWS CloudFront and AWS Route 53?
    A: AWS CloudFront is a content delivery network (CDN) service that caches and delivers content from edge locations worldwide, providing low-latency access. AWS Route 53 is a scalable domain name system (DNS) web service that translates domain names into IP addresses and routes internet traffic.
  • Q67: What is AWS Inspector?
    A: AWS Inspector is an automated security assessment service that helps improve the security and compliance of applications deployed on AWS. It performs security assessments by analyzing the behavior of your resources and provides detailed findings and recommendations.
  • Q68: What is the difference between AWS Lambda and AWS Step Functions?
    A: AWS Lambda is a serverless computing service that allows you to run code without provisioning or managing servers, suitable for running individual functions or event-driven tasks. AWS Step Functions is a serverless workflow service that allows you to coordinate multiple AWS services and build complex, stateful workflows.
  • Q69: What is the difference between Amazon VPC and AWS Direct Connect?
    A: Amazon VPC (Virtual Private Cloud) is a virtual network environment within AWS that allows you to provision a logically isolated section of the AWS Cloud. AWS Direct Connect is a dedicated network connection that provides a private and high-bandwidth connection between your datacenter and AWS.
  • Q70: What is AWS OpsWorks?
    A: AWS OpsWorks is a configuration management service that helps you automate the deployment and management of applications on AWS. It provides pre-defined templates and supports popular application architectures, making it easier to manage infrastructure and application stacks.
  • Q71: What is the difference between Amazon EBS and Amazon EFS?
    A: Amazon EBS (Elastic Block Store) is a block-level storage service for EC2 instances, providing persistent storage. Amazon EFS (Elastic File System) is a scalable file storage service that provides shared access to files, suitable for shared workloads and multiple EC2 instances.
  • Q72: What is AWS CloudTrail?
    A: AWS CloudTrail is a service that enables governance, compliance, and auditability by providing a history of AWS API calls for your AWS account. It helps in tracking changes, troubleshooting, and ensuring security and compliance.
  • Q73: What is the difference between Amazon EC2 and Amazon Lightsail?
    A: Amazon EC2 (Elastic Compute Cloud) is a scalable compute service that allows you to provision and manage virtual servers in the cloud. Amazon Lightsail is a simplified virtual private server (VPS) service that is designed for developers and small businesses, providing a pre-configured environment with a fixed monthly price.
  • Q74: What is the difference between Amazon S3 and Amazon CloudFront?
    A: Amazon S3 is object storage for files and data, providing durable and scalable storage. Amazon CloudFront is a content delivery network (CDN) service that caches and delivers content from edge locations worldwide, providing low-latency access.
  • Q75: What is AWS Snowball?
    A: AWS Snowball is a physical device used for transferring large amounts of data into and out of AWS. It helps in overcoming network limitations and offers a secure and efficient way to migrate data.
  • Q76: What is the difference between Amazon DynamoDB and Amazon Neptune?
    A: Amazon DynamoDB is a fully managed NoSQL database service that provides fast and predictable performance at any scale. Amazon Neptune is a fully managed graph database service that is optimized for storing and querying highly connected data.
  • Q77: What is AWS Storage Gateway?
    A: AWS Storage Gateway is a hybrid cloud storage service that connects on-premises environments with AWS storage services. It allows you to seamlessly integrate your on-premises applications with AWS storage, providing hybrid cloud storage solutions.
  • Q78: What is the difference between AWS IAM and AWS Organizations?
    A: AWS IAM (Identity and Access Management) is a service that helps you manage access to AWS resources by creating and managing users, groups, and permissions. AWS Organizations is a service that enables you to centrally manage multiple AWS accounts and organize them into groups for easier management.
  • Q79: What is AWS IoT?
    A: AWS IoT (Internet of Things) is a platform that allows you to connect devices to the AWS cloud, securely interact with them, and process device data. It provides a suite of services for building, deploying, and managing IoT applications.
  • Q80: What is the difference between Amazon MQ and Amazon Simple Queue Service (SQS)?
    A: Amazon MQ is a managed message broker service that supports the Apache ActiveMQ and RabbitMQ protocols. Amazon Simple Queue Service (SQS) is a fully managed message queuing service that decouples and scales microservices, distributed systems, and serverless applications.
  • Q81: What is AWS CodeDeploy?
    A: AWS CodeDeploy is a fully managed deployment service that automates application deployments to EC2 instances, on-premises instances, and serverless Lambda functions. It allows you to centrally control the deployment process and monitor the status of deployments.
  • Q82: What is the difference between Amazon RDS and Amazon Aurora?
    A: Amazon RDS (Relational Database Service) is a managed relational database service that supports multiple database engines like MySQL, PostgreSQL, Oracle, and SQL Server. Amazon Aurora is a MySQL and PostgreSQL-compatible relational database engine that provides high performance, scalability, and availability.
  • Q83: What is the difference between Amazon Elastic File System (EFS) and Amazon Elastic Block Store (EBS)?
    A: Amazon EFS (Elastic File System) is a scalable file storage service that provides shared access to files, suitable for shared workloads and multiple EC2 instances. Amazon EBS (Elastic Block Store) is a block-level storage service for EC2 instances, providing persistent storage for individual instances.
  • Q84: What is the difference between Amazon SNS and Amazon SQS?
    A: Amazon SNS (Simple Notification Service) is a fully managed pub/sub messaging service that allows you to send and receive messages to/from multiple subscribers. Amazon SQS (Simple Queue Service) is a fully managed message queuing service that decouples and scales microservices, distributed systems, and serverless applications.
  • Q85: What is AWS Elastic Load Balancer?
    A: AWS Elastic Load Balancer is a service that automatically distributes incoming application traffic across multiple targets, such as Amazon EC2 instances, containers, and IP addresses. It helps in improving the availability and scalability of applications.
  • Q86: What is the difference between Amazon RDS and Amazon DynamoDB?
    A: Amazon RDS (Relational Database Service) is a managed relational database service that supports multiple database engines like MySQL, PostgreSQL, Oracle, and SQL Server. Amazon DynamoDB is a fully managed NoSQL database service that provides fast and predictable performance at any scale.
  • Q87: What is the AWS Command Line Interface (CLI)?
    A: The AWS Command Line Interface (CLI) is a unified tool that allows you to manage AWS services from the command line. It provides a command line interface for interacting with AWS resources and automating tasks.
  • Q88: What is the difference between Amazon S3 and Amazon Glacier?
    A: Amazon S3 (Simple Storage Service) is object storage for files and data, designed for storing and retrieving data directly. Amazon Glacier is a low-cost storage service for archiving data that is accessed less frequently, providing longer retrieval times but lower storage costs.
  • Q89: What is AWS Elastic Beanstalk?
    A: AWS Elastic Beanstalk is a platform as a service (PaaS) that simplifies the deployment and management of applications. It automatically handles the capacity provisioning, load balancing, and application health monitoring, allowing you to focus on writing code.
  • Q90: What is the difference between Amazon S3 and Amazon EFS?
    A: Amazon S3 (Simple Storage Service) is object storage for files and data, designed for storing and retrieving data directly. Amazon EFS (Elastic File System) is a scalable file storage service that provides shared access to files, suitable for shared workloads and multiple EC2 instances.
  • Q91: What is the AWS Serverless Application Model (SAM)?
    A: The AWS Serverless Application Model (SAM) is an open-source framework for building serverless applications on AWS. It provides a simplified syntax for defining serverless resources, such as functions, APIs, and event sources, and helps in deploying and managing serverless applications.
  • Q92: What is the difference between Amazon S3 and Amazon EBS?
    A: Amazon S3 (Simple Storage Service) is object storage for files and data, designed for storing and retrieving data directly. Amazon EBS (Elastic Block Store) is block-level storage for EC2 instances, providing persistent storage directly attached to instances.
  • Q93: What is AWS CloudFormation?
    A: AWS CloudFormation is a service that helps you provision and manage a collection of AWS resources in a declarative manner. It allows you to define infrastructure as code using templates, and AWS CloudFormation takes care of creating and managing the resources based on the defined configuration.
  • Q94: What is the difference between Amazon EC2 and Amazon ECS?
    A: Amazon EC2 (Elastic Compute Cloud) is a scalable compute service that allows you to provision and manage virtual servers in the cloud. Amazon ECS (Elastic Container Service) is a fully managed container orchestration service that supports Docker containers, making it easier to run containerized applications on AWS.
  • Q95: What is the AWS Management Console?
    A: The AWS Management Console is a web-based interface that allows you to access and manage your AWS resources. It provides a graphical user interface (GUI) for interacting with AWS services, configuring settings, and monitoring your resources.
  • Q96: What is the difference between Amazon VPC and Amazon EC2-Classic?
    A: Amazon VPC (Virtual Private Cloud) is a virtual network environment within AWS that allows you to provision a logically isolated section of the AWS Cloud. Amazon EC2-Classic is the original offering of Amazon EC2 without VPC, and it is being phased out in favor of Amazon VPC.
  • Q97: What is AWS Elasticache?
    A: AWS Elasticache is a fully managed in-memory data store service that supports two open-source in-memory engines, Redis and Memcached. It helps in improving the performance and scalability of applications by reducing the load on databases.
  • Q98: What is the difference between Amazon CloudWatch and AWS CloudTrail?
    A: Amazon CloudWatch is a monitoring and observability service that provides monitoring for AWS resources and applications. AWS CloudTrail is a service that records AWS API calls for auditing and compliance purposes, providing visibility into account activity and resource changes.
  • Q99: What is AWS S3 Transfer Acceleration?
    A: AWS S3 Transfer Acceleration is a feature that enables fast, easy, and secure transfers of files over long distances between clients and an S3 bucket. It uses optimized network paths and Amazon CloudFront's global network of edge locations to accelerate data transfers.
  • Q100: What is the AWS Global Accelerator?
    A: The AWS Global Accelerator is a service that improves the availability and performance of applications by directing traffic through a global network of edge locations. It provides a fixed entry point to your application, automatically routing traffic to the nearest healthy endpoint and minimizing latency.

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