How should a solutions architect ensure that the web application can continue to call the third-parly API after the migration?

An AWS customer has a web application that runs on premises. The web application fetches data from a third-party API that is behind a firewall. The third party accepts only one public CIDR block in each client's allow list. The customer wants to migrate their web application to the AWS...

February 27, 2023 No Comments READ MORE +

What should a solutions architect do to improve the reliability and scalability of the SFTP solution?

A finance company hosts a data lake in Amazon S3. The company receives financial data records over SFTP each night from several third parties. The company runs its own SFTP server on an Amazon EC2 instance in a public subnet of a VPC. After the files ate uploaded, they are...

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Which set of steps should a solutions architect take to ensure production traffic and development traffic are completely isolated?

A company has multiple AWS accounts as part of an organization created with AWS Organizations. Each account has a VPC in the us-east-2 Region and is used for either production or development workloads. Amazon EC2 instances across production accounts need to communicate with each other, and EC2 instances across development...

February 26, 2023 No Comments READ MORE +

What is the MOST cost-effective migration recommendation?

A solutions architect needs to advise a company on how to migrate its on-premises data processing application to the AWS Cloud. Currently, users upload input files through a web portal. The web server then stores the uploaded files on NAS and messages the processing server over a message queue. Each...

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Which set of actions should the solutions architect take to increase the cache hit ratio as quickly as possible?

A company has a complex web application that leverages Amazon CloudFront for global scalability and performance. Over time, users report that the web application is slowing down. The company's operations team reports that the CloudFront cache hit ratio has been dropping steadily. The cache metrics report indicates that query strings...

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Which of the following solutions is MOST cost-effective?

A company has a website that enables users to upload videos. Company policy states the uploaded videos must be analyzed for restricted content. An uploaded video is placed in Amazon S3, and a message is pushed to an Amazon SOS queue with the video's location. A backend application pulls this...

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Which solution will provide a consistent user experience that will allow the application and database tiers to scale?

A company is running a two-tier web-based application in an on-premises data center. The application layer consists of a single server running a stateful application. The application connects to a PostgreSQL database running on a separate server. The application’s user base is expected to grow significantly, so the company is...

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Which solution should a solutions architect recommend to enhance the origin security?

A medical company is running a REST API on a set of Amazon EC2 instances. The EC2 instances run in an Auto Scaling group behind an Application Load Balancer (ALB). The ALB runs in three public subnets, and the EC2 instances run in three private subnets. The company has deployed...

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Which combination of steps should the solutions architect take to meet these requirements?

A company runs a popular public-facing ecommerce website. Its user base is growing quickly from a local market to a national market. The website is hosted in an on-premises data center with web servers and a MySQL database. The company wants to migrate its workload (o AWS. A solutions architect...

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Which solution meets these requirements with the LEAST amount of operational overhead?

A company wants to deploy an AWS WAF solution to manage AWS WAF rules across multiple AWS accounts. The accounts are managed under different OUs in AWS Organizations. Administrators must be able to add or remove accounts or OUs from managed AWS WAF rule sets as needed Administrators also must...

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