Solutions Architect Professional (Page 94)

A company has released a new version of a website to target an audience in Asia and South America.The website’s media assets are hosted on Amazon S3 and have an Amazon CloudFront distribution to improve end-user performance.However, users are having a poor login experience, the authentication service is only available in the us-east-1 AWS Region.How can the Solutions Architect improve the login experience and maintain high security and performance with minimal management overhead?Read More →

A company is creating a REST API to share information with six of its partners based in the United States.The company has created an Amazon API Gateway Regional endpoint.Each of the six partners will access the API once per day to post daily sales figures.After initial deployment, the company observes 1,000 requests per second originating from 500 different IP addresses around the world.The company believes this traffic is originating from a botnet and wants to secure its API while minimizing cost.Which approach should the company take to secure its API?Read More →

A company with global offices has a single 1 Gbps AWS Direct Connect connection to a single AWS Region.The company’s on-premises network uses the connection to communicate with the company’s resources in the AWS Cloud.The connection has a single private virtual interface that connects to a single VPC.A solutions architect must implement a solution that adds a redundant Direct Connect connection in the same Region.The solution also must provide connectivity to other Regions through the same pair of Direct Connect connections as the company expands into other Regions.Which solution meets these requirements?Read More →

A company is running a workload that consists of thousands of Amazon EC2 instances.The workload is running in a VPC that contains several public subnets and private subnets.The public subnets have a route for 0.0.0.0/0 to an existing internet gateway.The private subnets have a route for 0.0.0.0/0 to an existing NAT gateway.A solutions architect needs to migrate the entire fleet of EC2 instances to use IPv6.The EC2 instances that are in private subnets must not be accessible from the public internet.What should the solutions architect do to meet these requirements?Read More →

A user is hosting a public website on AWS.The user wants to have the database and the app server on the AWS VPC.The user wants to setup a database that can connect to the Internet for any patch upgrade but cannot receive any request from the internet.How can the user set this up?Read More →

A company hosts a blog post application on AWS using Amazon API Gateway, Amazon DynamoDB, and AWS Lambda.The application currently does not use API keys to authorize requests.The API model is as follows:GET /posts/{postId}: to get post detailsGET /users/{userId}: to get user detailsGET /comments/{commentId}: to get comments detailsThe company has noticed users are actively discussing topics in the comments section, and the company wants to increase user engagement by making the comments appear in real time.Which design should be used to reduce comment latency and improve user experience?Read More →

You have set up Auto Scaling to automatically scale in.Consequently, you must decide which instances Auto Scaling should end first.What should you use to configure this?Read More →

A company ingests and processes streaming market data.The data rate is constant.A nightly process that calculates aggregate statistics takes 4 hours to complete.The statistical analysis is not critical to the business, and data points are processed during the next iteration if a particular run fails.The current architecture uses a pool of Amazon EC2 Reserved Instances with 1-year reservations.These EC2 instances run full time to ingest and store the streaming data in attached Amazon Elastic Block Store (Amazon EBS) volumes.A scheduled script launches EC2 On-Demand Instances each night to perform the nightly processing.The instances access the stored data from NFS shares on the ingestion servers.The script terminates the instances when the processing is complete.The Reserved Instance reservations are expiring.The company needs to determine whether to purchase new reservations or implement a new design.Which solution will meet these requirements MOST cost-effectively?Read More →

To scale out the AWS resources using manual AutoScaling, which of the below mentioned parameters should the user change?Read More →

A company wants to use AWS to create a business continuity solution in case the company’s main on-premises application fails.The application runs on physical servers that also run other applications.The on-premises application that the company is planning to migrate uses a MySQL database as a data store.All the company’s on-premises applications use operating systems that are compatible with Amazon EC2.Which solution will achieve the company’s goal with the LEAST operational overhead?Read More →