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A solutions architect is developing a multiple-subnet VPC architecture. The solution will consist of six subnets in two Availability Zones. The subnets are defined as public, private and dedicated for databases. Only the Amazon EC2 instances running in the private subnets should be able to access a database. Which solution meets these requirements?
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A company is implementing a new application on AWS. The company will run the application on multiple Amazon EC2 instances across multiple Availability Zones within multiple AWS Regions. The application will be available through the internet. Users will access the application from around the world. The company wants to ensure that each user who accesses the application is sent to the EC2 instances that are closest to the user's location. Which solution will meet these requirements?
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Question 268 - SAA-C03 discussion

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A company's web application consists o( an Amazon API Gateway API in front of an AWS Lambda function and an Amazon DynamoDB database. The Lambda function handles the business logic, and the DynamoDB table hosts the dat a. The application uses Amazon Cognito user pools to identify the individual users of the application.

A solutions architect needs to update the application so that only users who have a subscription can access premium content.

A.
Enable API caching and throttling on the API Gateway API
Answers
A.
Enable API caching and throttling on the API Gateway API
B.
Set up AWS WAF on the API Gateway API Create a rule to filter users who have a subscription
Answers
B.
Set up AWS WAF on the API Gateway API Create a rule to filter users who have a subscription
C.
Apply fine-grained IAM permissions to the premium content in the DynamoDB table
Answers
C.
Apply fine-grained IAM permissions to the premium content in the DynamoDB table
D.
Implement API usage plans and API keys to limit the access of users who do not have a subscription.
Answers
D.
Implement API usage plans and API keys to limit the access of users who do not have a subscription.
Suggested answer: D

Explanation:

This option is the most efficient because it uses API usage plans and API keys, which are features of Amazon API Gateway that allow you to control who can access your API and how much and how fast they can access it1. It also implements API usage plans and API keys to limit the access of users who do not have a subscription, which enables you to create different tiers of access for your API and charge users accordingly. This solution meets the requirement of updating the application so that only users who have a subscription can access premium content. Option A is less efficient because it uses API caching and throttling on the API Gateway API, which are features of Amazon API Gateway that allow you to improve the performance and availability of your API and protect your backend systems from traffic spikes2. However, this does not provide a way to limit the access of users who do not have a subscription. Option B is less efficient because it uses AWS WAF on the API Gateway API, which is a web application firewall service that helps protect your web applications or APIs against common web exploits that may affect availability, compromise security, or consume excessive resources3. However, this does not provide a way to limit the access of users who do not have a subscription. Option C is less efficient because it uses fine-grained IAM permissions to the premium content in the DynamoDB table, which are permissions that allow you to control access to specific items or attributes within a table4


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asked 16/09/2024
Billy Raymond
31 questions
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