Solutions Architect Professional (Page 106)

A company needs to optimize the cost of its application on AWS.The application uses AWS Lambda functions and Amazon Elastic Container Service (Amazon ECS) containers that run on AWS Fargate.The application is write-heavy and stores data in an Amazon Aurora MySQL database.The load on the application is not consistent.The application experiences long periods of no usage, followed by sudden and significant increases and decreases in traffic.The database runs on a memory optimized DB instance that cannot handle the load.A solutions architect must design a solution that can scale to handle the changes in traffic.Which solution will meet these requirements MOST cost-effectively?Read More →

You’ve been brought in as solutions architect to assist an enterprise customer with their migration of an e-commerce platform to Amazon Virtual Private Cloud(VPC) The previous architect has already deployed a 3-tier VPC.The configuration is as follows:VPC: vpc-2f8bc447 -IGW: igw-2d8bc445 -NACL: ad-208bc448 -Subnets and Route Tables:Web servers: subnet-258bc44d -Application servers: subnet-248bc44cDatabase servers: subnet-9189c6f9Route Tables:rrb-218bc449rtb-238bc44bAssociations:subnet-258bc44d : rtb-218bc449subnet-248bc44c : rtb-238bc44bsubnet-9189c6f9 : rtb-238bc44bYou are now ready to begin deploying EC2 instances into the VPC  Web servers must have direct access to the internet Application and database servers cannot have direct access to the internet.Which configuration below will allow you the ability to remotely administer your application and database servers, as well as allow these servers to retrieve updates from the Internet?Read More →

A company migrated an application to the AWS Cloud.The application runs on two Amazon EC2 instances behind an Application Load Balancer (ALB).Application data is stored in a MySQL database that runs on an additional EC2 instance.The application’s use of the database is read-heavy.The application loads static content from Amazon Elastic Block Store (Amazon EBS) volumes that are attached to each EC2 instance.The static content is updated frequently and must be copied to each EBS volume.The load on the application changes throughout the day.During peak hours, the application cannot handle all the incoming requests.Trace data shows that the database cannot handle the read load during peak hours.Which solution will improve the reliability of the application?Read More →

An administrator is using Amazon CloudFormation to deploy a three tier web application that consists of a web tier and application tier that will utilize AmazonDynamoDB for storage when creating the CloudFormation template.Which of the following would allow the application instance access to the DynamoDB tables without exposing API credentials?Read More →

A North American company with headquarters on the East Coast is deploying a new web application running on Amazon EC2 in the us-east-1 Region.The application should dynamically scale to meet user demand and maintain resiliency.Additionally, the application must have disaster recovery capabilities in an active-passive configuration with the us-west-1 Region.Which steps should a solutions architect take after creating a VPC in the us-east-1 Region?Read More →

Your company has recently extended its datacenter into a VPC on AWS to add burst computing capacity as needed Members of your Network Operations Center need to be able to go to the AWS Management Console and administer Amazon EC2 instances as necessary. You don’t want to create new IAM users for eachNOC member and make those users sign in again to the AWS Management Console.Which option below will meet the needs for your NOC members?Read More →

A solutions architect is designing an AWS account structure for a company that consists of multiple teams.All the teams will work in the same AWS Region.The company needs a VPC that is connected to the on-premises network.The company expects less than 50 Mbps of total traffic to and from the on-premises network.Which combination of steps will meet these requirements MOST cost-effectively? (Choose two.)Read More →

You have an application running on an EC2 Instance which will allow users to download flies from a private S3 bucket using a pre-signed URL. Before generating the URL the application should verify the existence of the file in S3.How should the application use AWS credentials to access the S3 bucket securely?Read More →

A company runs a microservice as an AWS Lambda function.The microservice writes data to an on-premises SQL database that supports a limited number of concurrent connections.When the number of Lambda function invocations is too high, the database crashes and causes application downtime.The company has an AWS Direct Connect connection between the company’s VPC and the on-premises data center.The company wants to protect the database from crashes.Which solution will meet these requirements?Read More →

You are developing a new mobile application and are considering storing user preferences in AWS.2w This would provide a more uniform cross-device experience to users using multiple mobile devices to access the application. The preference data for each user is estimated to be 50KB in size Additionally 5 million customers are expected to use the application on a regular basis.The solution needs to be cost-effective, highly available, scalable and secure, how would you design a solution to meet the above requirements?Read More →