Question

A developer who has no AWS Cloud experience wants to use AWS technology to build a web Application.

Which AWS service should the developer use to start building the application?

A. AWS Organizations
B. AWS Identity and Access Management (IAM)
C. AWS Billing and Cost Management
D. Amazon Cognito

Answer

D. Amazon Cognito

Explanation 1

The AWS service that the developer should use to start building the web application is Amazon Cognito.

Here’s a detailed explanation for why Amazon Cognito is the correct choice:

• User Authentication: Amazon Cognito provides user authentication and authorization functionality for web and mobile applications. It allows the developer to easily add user sign-up, sign-in, and access control to the application without having to build the entire authentication system from scratch.
• User Management: With Amazon Cognito, the developer can manage user accounts, including user registration, sign-in, and password recovery. It also supports social identity providers like Google, Facebook, and Amazon, enabling users to sign in using their existing credentials from these platforms.
• Secure Access Control: Amazon Cognito integrates with AWS Identity and Access Management (IAM) to provide secure access control to AWS resources. The developer can define IAM roles and policies to control the level of access and permissions granted to authenticated users.
• Integration with Other AWS Services: Amazon Cognito can be easily integrated with other AWS services like AWS Lambda, Amazon API Gateway, and Amazon S3. This allows the developer to build a serverless architecture and leverage other AWS services for different parts of the web application.
• Scalability and Availability: Amazon Cognito is designed to be highly scalable and available. It can handle millions of users and provides built-in features like user pools and federated identities to support large-scale applications.

In conclusion, the AWS service that the developer should use to start building the web application is Amazon Cognito. It provides user authentication, user management, secure access control, and integration with other AWS services. By leveraging Amazon Cognito, the developer can quickly add user authentication and authorization capabilities to the web application without needing extensive AWS Cloud experience.

Explanation 2

The answer is D. Amazon Cognito.

Amazon Cognito is a service that helps you manage user identity and access in mobile and web applications. It is a good choice for developers who have no AWS Cloud experience because it is a managed service that takes care of the details of user management.

AWS Organizations, AWS Identity and Access Management (IAM), and AWS Billing and Cost Management are all important services for managing AWS accounts and resources. However, they are not as relevant for developers who are just starting to build a web application.

Here are some of the benefits of using Amazon Cognito for user management:

• It is a managed service, so you do not have to worry about the underlying infrastructure.
• It provides a variety of features for managing users, including registration, authentication, and authorization.
• It is scalable and can be used to support a large number of users.
• It is secure and compliant with industry standards.

If you are a developer who has no AWS Cloud experience and you want to use AWS technology to build a web application, I recommend starting with Amazon Cognito for user management.

I hope this helps!

Explanation 3

The correct answer is D. Amazon Cognito. Amazon Cognito is a service that provides user authentication, authorization, and data synchronization for web and mobile applications. It allows developers to create and manage user pools, identity pools, and user profiles without having to write any backend code or manage any servers. Amazon Cognito also integrates with other AWS services, such as Amazon S3, Amazon DynamoDB, and AWS Lambda, to enable developers to build scalable and secure web applications.

A detailed explanation of why the other options are incorrect is as follows:

• AWS Organizations is a service that allows customers to create and manage groups of AWS accounts. It is used for centralized billing, governance, and policy management of multiple AWS accounts. It is not a service that helps developers build web applications.
• AWS Identity and Access Management (IAM) is a service that allows customers to manage access to AWS resources and services. It is used for creating and managing users, groups, roles, policies, and permissions. It is not a service that helps developers build web applications.
• AWS Billing and Cost Management is a service that allows customers to monitor and control their AWS costs and usage. It is used for viewing invoices, reports, budgets, alerts, and recommendations. It is not a service that helps developers build web applications.

Explanation 4

The correct answer is D. Amazon Cognito.

Amazon Cognito is a service that allows users to easily add user sign-up, sign-in, and access control to their web applications. Amazon Cognito provides users with a secure and scalable identity platform that integrates with various AWS services, such as Amazon S3, Amazon DynamoDB, and AWS Lambda. Amazon Cognito also supports various authentication methods, such as email, phone, social media, or corporate identity providers.

Amazon Cognito can help developers who have no AWS Cloud experience to use AWS technology to build a web application. Users can use Amazon Cognito to create and manage user pools and identity pools for their web application. User pools are directories of user profiles that store user information and credentials. Identity pools are collections of identities that grant users access to AWS resources. Users can also use Amazon Cognito to customize their user interface, configure their security settings, and monitor their user activity.

Explanation 5

The correct answer is: D. Amazon Cognito

Explanation:

Amazon Cognito is the AWS service that the developer should use to start building a web application, especially considering that the developer has no AWS Cloud experience.

Amazon Cognito provides a user identity and authentication service that makes it easier to add user sign-up, sign-in, and access control to your web applications. It’s designed to simplify the process of managing user identities and permissions in a secure and scalable manner.

Here’s how Amazon Cognito is relevant for a developer building a web application:

• User Management: Amazon Cognito allows the developer to easily create user pools to manage user identities, authentication, and user attributes. This means the developer doesn’t need to build complex user management systems from scratch.
• Federated Identity: Cognito supports social identity providers (like Facebook, Google, etc.) and allows users to sign in with their existing accounts from these providers. This eliminates the need for the developer to implement custom authentication mechanisms.
• Security and Authorization: Amazon Cognito helps manage user roles and permissions, enabling fine-grained access control to different parts of your application.

Comparing the other options:

• A. AWS Organizations: AWS Organizations is used for managing multiple AWS accounts within your organization. It’s not relevant to a developer building a web application.
• B. AWS Identity and Access Management (IAM): IAM is used to manage access to AWS resources within the AWS Cloud. While it’s a crucial service for security, it’s not specifically designed for building user authentication and sign-in mechanisms for web applications.
• C. AWS Billing and Cost Management: AWS Billing and Cost Management helps you manage and track your AWS costs. It’s not related to building web applications or providing user authentication.

In summary, for a developer with no AWS Cloud experience who wants to build a web application, Amazon Cognito is the ideal choice to start building the application and handling user authentication and authorization.

Explanation 6

To start building a web application on AWS, the developer should use Amazon Cognito, which is option D.

Amazon Cognito is a fully managed service that provides user authentication, authorization, and user management for web and mobile applications. It allows developers to easily add user sign-up, sign-in, and access control to their applications. With Amazon Cognito, the developer can create user pools to manage user registration and sign-in, and also use identity pools to provide temporary AWS credentials to grant access to AWS services.

Here’s why the other options are not the correct choices:

A. AWS Organizations: AWS Organizations is a service that helps you centrally manage and govern multiple AWS accounts. It is used for managing billing, access control, and resource sharing across multiple AWS accounts. However, it is not directly related to building a web application.

B. AWS Identity and Access Management (IAM): IAM is a service that enables you to manage access to AWS resources. It allows you to create and manage users, groups, and permissions to control who can access your AWS resources. While IAM is an important service for managing access, it is not specifically designed for building web applications.

C. AWS Billing and Cost Management: AWS Billing and Cost Management is a service that helps you monitor and control your AWS costs. It provides tools for tracking usage, setting up budgets, and analyzing cost and usage reports. While it is important to manage costs when building an application, it is not directly related to the initial steps of building a web application.

In summary, for a developer with no AWS Cloud experience who wants to build a web application, the recommended AWS service to start with is Amazon Cognito.

Explanation 7

The correct answer is D. Amazon Cognito.

Amazon Cognito is a service that provides user sign-up, sign-in, and access control for your web and mobile applications. You can use Amazon Cognito to authenticate users with social identity providers, such as Facebook, Google, or Amazon, or with your own identity system . You can also use Amazon Cognito to synchronize user data across devices and platforms, and to secure access to your backend resources, such as AWS Lambda functions or Amazon S3 buckets .

Amazon Cognito is designed to be easy to use for developers who have no AWS Cloud experience. You can use the AWS console, AWS SDKs, or AWS CLI to create and configure your user pools (user directories) and identity pools (federated identities) . You can also use the AWS Amplify framework to integrate Amazon Cognito into your web or mobile application with a few lines of code .

The other options are not suitable for the developer’s requirements:

• AWS Organizations is a service that enables you to create groups of AWS accounts and centrally manage policies, security, and billing across them. You can use AWS Organizations to create a hierarchical structure of organizational units (OUs) that reflect the functional or business structure of your company. You can then attach policies to these OUs or individual accounts to control the access and permissions of your AWS resources . However, it does not provide a way to build a web application on AWS. You would need to use other services, such as Amazon EC2 or AWS Elastic Beanstalk, to create and deploy your web application code.
• AWS Identity and Access Management (IAM) is a service that enables you to manage access to AWS services and resources securely. You can use IAM to create users, groups, roles, and policies that define who can access what on AWS . However, it does not provide a way to build a web application on AWS. You would need to use other services, such as Amazon EC2 or AWS Elastic Beanstalk, to create and deploy your web application code.
• AWS Billing and Cost Management is a service that provides tools to help you monitor, control, and optimize your costs and usage on AWS. You can use AWS Billing and Cost Management to view your current and forecasted charges, set up budgets and alerts, analyze your spending trends, and access your billing reports and invoices . However, it does not provide a way to build a web application on AWS. You would need to use other services, such as Amazon EC2 or AWS Elastic Beanstalk, to create and deploy your web application code.

Explanation 8

The AWS service that a developer with no AWS Cloud experience should use to start building a web application is AWS Elastic Beanstalk . AWS Elastic Beanstalk is an easy-to-use service that makes it simple to deploy, manage, and scale web applications and services developed with Java, .NET, PHP, Node.js, Python, Ruby, Go, and Docker on familiar servers such as Apache, Nginx, Passenger, and IIS . It provides a range of features that enable developers to focus on writing code rather than managing infrastructure, including automatic scaling, load balancing, and monitoring . With AWS Elastic Beanstalk, developers can quickly deploy their applications and services to the cloud without having to worry about the underlying infrastructure .

I hope this helps!

Explanation 9

To build a web application using AWS technology, a developer with no AWS Cloud experience should start by using Amazon Cognito. Amazon Cognito is a user authentication and authorization service that enables developers to add user sign-up, sign-in, and access control to their web and mobile apps quickly and easily. It provides a simple way to authenticate users and secure access to AWS resources for all of the application’s users.

AWS Organizations is a service that helps you consolidate multiple AWS accounts into an organization that you create and centrally manage. With AWS Organizations, you can create accounts programmatically and automate the creation of new accounts as your organization grows.

AWS Identity and Access Management (IAM) is a web service that helps you securely control access to AWS resources for your users. You use IAM to control who can use your AWS resources (authentication) and what resources they can use and in what ways (authorization).

AWS Billing and Cost Management is a service that provides cost allocation and tracking tools to help you monitor your AWS usage and optimize your costs. You can use it to view your current charges, track your usage over time, forecast future costs, and set up alerts when your costs exceed certain thresholds.

Therefore, the correct answer is D. Amazon Cognito.

I hope this helps!

Explanation 10

The answer is D. Amazon Cognito.

Amazon Cognito is a service that helps you manage user identity and access in mobile and web applications. It is a good choice for developers who have no AWS Cloud experience because it is easy to use and does not require any prior knowledge of AWS services.

Amazon Cognito can be used to create user pools, which are groups of users who share common attributes, such as a username or email address. You can use user pools to authenticate users and to provide them with access to your application.

Amazon Cognito also provides features such as passwordless authentication and multi-factor authentication, which can help to improve the security of your application.

The other options are not as suitable for this purpose.

• AWS Organizations is a service that helps you centrally manage multiple AWS accounts. It is not used for building web applications.
• AWS Identity and Access Management (IAM) is a service that helps you manage users and permissions in AWS. It can be used to control who has access to what resources in AWS. However, it is not as easy to use as Amazon Cognito and does not provide the same features.
• AWS Billing and Cost Management is a service that helps you track and manage your AWS costs. It is not used for building web applications.

I hope this helps!

Explanation 11

The correct answer is D. Amazon Cognito.

Amazon Cognito is a suite of services that enables developers to easily authenticate, authorize, and manage users for their web applications. It provides a complete solution for user identity management, including user sign-up, sign-in, and access control.

A developer who has no AWS Cloud experience can start building their web application by using Amazon Cognito to handle user identity management. Cognito provides a simple and secure way to authenticate users, and it integrates with other AWS services such as AWS Lambda, Amazon API Gateway, and Amazon S3.

Here’s why the other options are not the best choice for a developer who wants to start building a web application:

A. AWS Organizations: This service is used to manage multiple AWS accounts and create a hierarchical structure for AWS resources. While it’s an important service for managing AWS resources, it’s not directly related to building a web application.

B. AWS Identity and Access Management (IAM): This service is used to manage access to AWS resources, but it’s primarily focused on managing access for AWS services and resources, not for web applications.

C. AWS Billing and Cost Management: This service is used to track and manage AWS costs, but it’s not relevant to building a web application.

Therefore, the best answer is D. Amazon Cognito, which provides a simple and secure way to manage user identity and access for web applications.

Explanation 12

The answer is D. Amazon Cognito.

Amazon Cognito is a service that helps you manage user identity and access in mobile and web applications. It is a good choice for developers who have no AWS Cloud experience because it is easy to use and does not require any knowledge of AWS services.

Amazon Cognito can be used to create user pools, which are groups of users who share the same identity and access management (IAM) settings. You can use Amazon Cognito to authenticate users, authorize them to access your application, and manage their passwords.

AWS Organizations, AWS Identity and Access Management (IAM), and AWS Billing and Cost Management are all important services for managing AWS accounts and resources. However, they are not as suitable for developers who are just starting out with AWS.

Here are some of the benefits of using Amazon Cognito to build a web application:

• It is easy to use and does not require any knowledge of AWS services.
• It can be used to create user pools, which are groups of users who share the same IAM settings.
• It can be used to authenticate users, authorize them to access your application, and manage their passwords.
• It is scalable and can be used to support a large number of users.
• It is secure and compliant with industry standards.

I hope this helps!

Explanation 13

I would recommend that the developer who has no AWS Cloud experience and wants to use AWS technology to build a web application should use Amazon Cognito as the starting point.

Amazon Cognito is a user identity and access management service that provides a complete solution for user authentication, authorization, and session management. It allows developers to easily integrate identity and access management into their web applications, and it provides a secure way to authenticate users and manage access to their applications.

Here are some reasons why Amazon Cognito is the best option for the developer:

• Easy to use: Amazon Cognito is designed to be user-friendly and easy to use, even for developers who have no prior experience with AWS. It provides a straightforward API that can be easily integrated into web applications.
• Identity and access management: Amazon Cognito provides a complete solution for identity and access management, including user authentication, authorization, and session management. This means that developers can focus on building their web applications without worrying about managing user identities and access.
• Scalability: Amazon Cognito is designed to scale with the needs of the application, so developers can build and deploy their applications without worrying about hitting scaling limits.
• Security: Amazon Cognito provides a secure way to authenticate users and manage access to applications, using industry-standard protocols such as OAuth and OpenID Connect. This means that developers can build secure web applications without having to worry about managing security themselves.

Therefore, the correct answer is D. Amazon Cognito.

Here’s a brief explanation of the other options:

A. AWS Organizations: AWS Organizations is a service that allows developers to create and manage multiple AWS accounts, but it is not directly related to building web applications.

B. AWS Identity and Access Management (IAM): IAM is a service that allows developers to manage access to AWS resources, but it is not designed for user authentication and authorization for web applications.

C. AWS Billing and Cost Management: This service is used to track and manage AWS usage and costs, but it is not directly related to building web applications.

In summary, Amazon Cognito is the best option for a developer who has no AWS Cloud experience and wants to use AWS technology to build a web application, as it provides a complete solution for user identity and access management, is easy to use, scalable, and secure.

Explanation 14

The correct answer is: Amazon Cognito.

AWS Identity and Access Management (IAM) is a web service that helps you manage access to AWS resources. IAM allows you to create and manage users, groups, roles, and permissions. AWS Billing and Cost Management is a web service that helps you track your AWS costs. AWS Organizations is a service that helps you organize and manage your AWS accounts. Amazon Cognito is a service that helps you manage user identities and access to your web applications.

A developer who has no AWS Cloud experience should use Amazon Cognito to start building a web application. Amazon Cognito provides a simple and secure way to manage user identities and access to your web applications. Amazon Cognito also provides a variety of features that can help you improve the security of your web applications.

Explanation 15

The correct answer is D. Amazon Cognito.

Explanation:
Amazon Cognito is the AWS service that the developer should use to start building the web application. Amazon Cognito provides a comprehensive set of authentication, authorization, and user management capabilities, making it easier for developers to handle user authentication and access control in their applications.

Here’s why Amazon Cognito is the most suitable option compared to the other choices:

A. AWS Organizations: AWS Organizations is a service used for managing multiple AWS accounts. It allows you to centrally manage policies across multiple accounts. However, it is not directly related to building a web application and does not provide the required authentication and access control features.

B. AWS Identity and Access Management (IAM): AWS IAM is a service that enables you to manage access to AWS resources. It is primarily used for controlling access to AWS services and resources within an AWS account. While IAM is important for managing access to AWS resources, it does not provide the necessary features for building a web application from scratch.

C. AWS Billing and Cost Management: AWS Billing and Cost Management is a service used for monitoring and managing your AWS usage and costs. It provides billing information, cost allocation, and budgeting features. While cost management is an essential aspect of building an application, it is not directly related to the initial stages of application development.

D. Amazon Cognito: Amazon Cognito is specifically designed to handle user authentication and access control in web and mobile applications. It provides features like user sign-up and sign-in, social identity federation, multi-factor authentication, and user management. With Amazon Cognito, the developer can quickly add user registration and authentication functionality to the web application, without the need for building and managing a custom authentication system.

In summary, for a developer with no AWS Cloud experience who wants to build a web application, the most appropriate AWS service to start with is Amazon Cognito. It provides the necessary features for handling user authentication and access control, allowing the developer to focus on building the application logic rather than implementing authentication from scratch.

Explanation 16

Here is the answer with detailed explanation:

The correct answer is D – Amazon Cognito.

Amazon Cognito is the recommended service for a developer to start building a web application on AWS with no prior AWS experience.

Amazon Cognito allows the developer to add user sign-up, authentication, and authorization to web and mobile apps without having to build their own authentication system. With Cognito, the developer can focus on writing code for their application instead of dealing with security credentials.

The other options are not suitable recommendations in this scenario:

A) AWS Organizations is a service used to consolidate multiple AWS accounts into an organization for centralized management and billing. It is not directly relevant for starting to build an application.

B) IAM allows creation and management of users and permissions within AWS. While important for security, setting up IAM would require some understanding of AWS that the developer does not yet have.

C) Billing and Cost Management allows tracking costs of AWS services used but does not directly help with starting application development.

D – Amazon Cognito is the best choice as it provides user management functionality out of the box, allowing the developer to get started building their application right away without having to implement authentication themselves from scratch. Cognito abstracts away the need to deal directly with security credentials and IAM roles at the initial stages.

Therefore, the correct answer is D – Amazon Cognito, as it is specifically designed to simplify authentication for web and mobile applications, making it the most suitable choice for a developer new to AWS to begin building their web application.

Explanation 17

The AWS service that the developer should use to start building the web application is D. Amazon Cognito.

Explanation:
Amazon Cognito is a service provided by AWS that simplifies the process of adding user sign-up, sign-in, and access control to your web and mobile apps. It provides a secure user directory to manage user registration, authentication, and account recovery.

Here’s why Amazon Cognito is the most suitable option for the developer:

• User Management: As a developer, it’s important to have a user management system in place for your web application. Amazon Cognito offers robust user management features, including user registration, sign-in, and authentication, which can be easily integrated into your application.
• Easy Integration: Amazon Cognito is designed to work seamlessly with other AWS services. It integrates well with AWS Identity and Access Management (IAM), allowing you to define fine-grained access controls and policies for your application.
• Security: Security is a crucial aspect of any web application. Amazon Cognito provides built-in security features such as encryption of data at rest and in transit, as well as multi-factor authentication (MFA) support. It also supports social identity providers like Google, Facebook, and Amazon, enabling users to sign in using their existing social media accounts.
• Scalability: Amazon Cognito is highly scalable and can handle millions of users without requiring additional infrastructure management. It automatically scales to accommodate user demand, ensuring that your application can handle traffic spikes.
• Cost-Effective: Amazon Cognito offers a free tier, allowing developers to get started without incurring additional costs. It provides cost-effective pricing options based on the number of monthly active users, making it suitable for applications of all sizes.

In summary, by using Amazon Cognito, the developer can easily incorporate user management, authentication, and security features into their web application, while also taking advantage of its easy integration with other AWS services.

Reference

• How to Build a Simple Web App Using AWS – AWS Startups (amazon.com)
• Build a Serverless Web App on AWS Services | Pluralsight | Pluralsight
• Build a Basic Web Application on AWS (amazon.com)
• Build Free Websites and Webapps (amazon.com)
• Getting Started – Cloud Computing Tutorials for Building on AWS (amazon.com)

Amazon AWS Certified Cloud Practitioner certification exam practice question and answer (Q&A) dump with detail explanation and reference available free, helpful to pass the Amazon AWS Certified Cloud Practitioner exam and earn Amazon AWS Certified Cloud Practitioner certification.

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