Amazon Virtual Private Cloud (VPC) allows companies to create a logically isolated section of the AWS Cloud where they can launch AWS resources in a virtual network. By setting up multiple subnets within the VPC and configuring security groups and network ACLs, the company can ensure that frontend servers are placed in a public subnet accessible from the internet, while backend servers are placed in a private subnet accessible only from the frontend servers.

AWS Identity and Access Management (IAM) allows companies to manage access to AWS services and resources securely. By enabling MFA for IAM users, the company can add an extra layer of protection to their AWS accounts and enforce additional authentication factors, such as hardware tokens or mobile apps, for accessing the AWS Management Console. This helps reduce the risk of unauthorized access to sensitive resources.

Elastic Load Balancing (ELB) is a service provided by AWS that automatically distributes incoming application traffic across multiple targets, such as EC2 instances, to ensure high availability and fault tolerance. ELB performs health checks on the registered instances and only routes traffic to healthy instances, thereby improving the overall reliability and availability of the web application.

Amazon CloudWatch is a monitoring and observability service provided by AWS. It allows companies to collect and track metrics, create alarms, and visualize logs and metrics in real-time. With CloudWatch, the company can monitor the performance of their AWS resources and set up alarms to notify their operations team of any performance anomalies, ensuring proactive management of their environment.

AWS Key Management Service (KMS) is a managed service provided by AWS that allows companies to create and control encryption keys used to encrypt data stored in various AWS services, including Amazon S3. By using AWS KMS, the company can encrypt data stored in S3 buckets using encryption keys managed by AWS, ensuring data security and compliance with encryption best practices.

Amazon Elastic File System (EFS) is a fully managed, scalable file storage service provided by AWS. It allows companies to create scalable file systems that can be shared across multiple EC2 instances, providing scalable storage capacity and throughput without the need for provisioning or managing infrastructure. By using Amazon EFS, the company can set up a scalable file storage solution for their AWS environment, ensuring flexibility and ease of use.

Amazon ECS is a fully managed container orchestration service provided by AWS. It allows companies to run, manage, and scale containerized applications using Docker containers. ECS supports automatic scaling of containers based on CPU and memory utilization, as well as integration with Elastic Load Balancing (ELB) for distributing incoming traffic across containers. Therefore, Amazon ECS is the appropriate service for managing the highly available and scalable architecture described.

AWS Lambda is a serverless computing service provided by AWS. It allows companies to run code in response to events triggered by changes in their AWS environment, such as changes to data in Amazon S3 or updates to Amazon DynamoDB tables. Lambda automatically scales resources based on the number of incoming requests and executes functions in a stateless manner, making it suitable for running serverless functions in response to events.

AWS Key Management Service (KMS) is a managed service provided by AWS that allows companies to create and control encryption keys used to encrypt data at rest in various AWS services, including Amazon S3. By using AWS KMS, the company can ensure that all data stored in their S3 buckets is encrypted at rest using encryption keys managed by AWS, thereby enhancing data security and compliance with encryption best practices.

Amazon Glacier is a secure, durable, and cost-effective storage service designed for long-term data archival and backup. It offers extremely low-cost storage options suitable for storing data that is rarely accessed but needs to be retained for compliance or regulatory requirements. Glacier provides retrieval times ranging from minutes to hours, making it suitable for long-term archival purposes with occasional access requirements.

AWS Direct Connect is a dedicated network connection service provided by AWS that allows companies to establish private connectivity between their on-premises data center and their Amazon VPC. It provides consistent network performance, reduced latency, and increased security compared to VPN connections over the public internet. With AWS Direct Connect, companies can achieve secure and reliable connectivity for their hybrid cloud environments.

AWS Lambda is a serverless computing service provided by AWS that allows companies to run code in response to events triggered by changes in their AWS environment. It automatically scales resources based on the number of incoming requests and executes code in a stateless manner, making it suitable for event-driven architectures and serverless computing scenarios. With AWS Lambda, companies can build scalable and cost-effective web applications without managing servers or infrastructure.

AWS IAM (Identity and Access Management) is a service that enables companies to manage access to AWS services and resources securely. It allows them to define fine-grained access policies that specify who can access which resources and under what conditions. By using IAM, the company can enforce access control based on attributes such as IP address, user identity, and resource type, thereby enhancing the security of their AWS environment.

Amazon Virtual Private Cloud (VPC) allows companies to create a logically isolated section of the AWS Cloud where they can launch AWS resources in a virtual network. It provides granular control over network traffic and access by allowing them to define subnets, route tables, and security groups. With Amazon VPC, the company can set up a secure and isolated network environment for their AWS resources, ensuring the confidentiality and integrity of their data.

Elastic Load Balancing (ELB) is a service provided by AWS that automatically distributes incoming application traffic across multiple targets, such as EC2 instances, to ensure high availability and fault tolerance. It performs health checks on the registered instances and only routes traffic to healthy instances, thereby improving the overall reliability and availability of the web application. Therefore, Elastic Load Balancing (ELB) is the appropriate service for this requirement.

Amazon DynamoDB is a fully managed NoSQL database service provided by AWS. It is designed for applications that require single-digit millisecond latency and can handle massive-scale workloads with low latency and high throughput. DynamoDB automatically scales storage and compute capacity to accommodate fluctuating workloads, making it suitable for read-heavy workloads in web applications.

Amazon EC2 Auto Scaling is a service provided by AWS that automatically adjusts the number of EC2 instances in a fleet based on demand. It helps ensure the availability and fault tolerance of applications by automatically detecting unhealthy instances and replacing them with new ones. With EC2 Auto Scaling, companies can design highly available architectures that can handle infrastructure failures and provide uninterrupted service to their customers.

Amazon CloudWatch is a monitoring and observability service provided by AWS. It collects and tracks metrics, creates alarms, and visualizes performance data in real-time. With CloudWatch, companies can monitor the performance of their AWS resources and set up alarms to notify them when certain thresholds are exceeded, allowing them to take proactive actions to maintain the health and performance of their applications and infrastructure.

AWS Lambda is a serverless computing service provided by AWS. It allows companies to run code in response to events without provisioning or managing servers. Lambda automatically scales resources based on the number of incoming requests and charges only for the compute time consumed by the application, making it a cost-effective solution for handling variable traffic patterns with minimal infrastructure management overhead.

AWS Key Management Service (KMS) is a managed service provided by AWS that allows companies to create and control encryption keys used to encrypt data stored in various AWS services, including Amazon S3. By using AWS KMS, the company can import their own encryption keys or generate new ones, manage the lifecycle of encryption keys centrally, and encrypt data stored in S3 buckets using their own keys for enhanced security and compliance.

Amazon S3 (Simple Storage Service) is a highly scalable object storage service provided by AWS. It offers low latency and high throughput for accessing frequently accessed data and provides features such as lifecycle policies for automatically transitioning data to lower-cost storage tiers like Amazon Glacier for long-term retention. Therefore, Amazon S3 is the appropriate service for storing frequently accessed data with the abilit

AWS Direct Connect provides a dedicated private connection between an organization’s on-premises data center and their AWS environment. It offers consistent network performance, reduced latency, and high bandwidth for transferring large volumes of data securely. Therefore, AWS Direct Connect is the appropriate service for securely connecting on-premises data centers to AWS environments.

Amazon S3 Server-Side Encryption is a feature provided by AWS that automatically encrypts data stored in Amazon S3 buckets at the server side before storing it. It ensures that all objects stored in S3 are encrypted, regardless of how they are uploaded. By enabling server-side encryption, the company can enforce encryption for data stored in their S3 buckets, providing an additional layer of security.

Amazon CloudWatch is a monitoring and observability service provided by AWS. It allows companies to collect and track metrics, monitor log files, set alarms, and automatically react to changes in their AWS resources. CloudWatch provides insights into the operational health and performance of AWS resources, making it the appropriate service for gaining insights into the performance and operational health of AWS infrastructure.

Amazon EKS (Elastic Kubernetes Service) is a fully managed Kubernetes service provided by AWS. It allows companies to run containerized applications using Kubernetes, an open-source container orchestration platform. With EKS, companies can easily deploy, manage, and scale containerized applications, making it suitable for breaking down monolithic applications into smaller, independent components.

Amazon RDS (Relational Database Service) is a managed relational database service provided by AWS. It supports various database engines such as MySQL, PostgreSQL, and SQL Server, offering features such as automatic failover, read replicas, and backup and restore capabilities. By using Amazon RDS, companies can set up a highly available and scalable relational database solution for their e-commerce platform.

AWS IAM (Identity and Access Management) is a service provided by AWS that allows companies to manage users, groups, and permissions centrally for accessing AWS resources. It enables centralized identity and access management and supports integration with existing identity systems such as Active Directory. By using AWS IAM, companies can secure their AWS environment and enforce least privilege access controls effectively.

Amazon VPC allows companies to create a virtual network in the AWS Cloud, providing them with complete control over their network environment, including IP addressing, subnets, route tables, and security groups. By using Amazon VPC, the company can set up and manage network access control for their multi-tier architecture, ensuring secure communication between different tiers and allowing only specific types of traffic as per their requirements.

Amazon EFS is a fully managed file storage service provided by AWS that can be accessed by multiple EC2 instances concurrently. It automatically scales storage capacity and performance based on demand, allowing companies to dynamically adjust resources as needed. By using Amazon EFS, the company can migrate their on-premises file storage to AWS and benefit from a fully managed, scalable file storage solution.

AWS CloudTrail is a service that enables companies to monitor and log AWS API activity for their AWS account. It provides a complete audit trail of API calls made to AWS resources, including details such as the identity of the caller, the time of the call, and the actions performed. By using AWS CloudTrail, the company can track changes to their AWS resources over time, identify any unauthorized changes, and maintain a complete audit trail for compliance purposes.