A company uses multiple accounts for its applications.Account A manages the company’s Amazon Route 53 domains and hosted zones.Account B uses a load balancer fronting the company’s web servers.How can the company use Route 53 to point to the load balancer in the MOST cost-effective and efficient manner?Read More →
You are designing the network infrastructure for an application server in Amazon VPC.Users will access all application instances from the Internet, as well as from an on-premises network.The on-premises network is connected to your VPC over an AWS Direct Connect link.How would you design routing to meet the above requirements?Read More →
A company serves its website by using an Auto Scaling group of Amazon EC2 instances in a single AWS Region.The website does not require a database.The company is expanding, and the company’s engineering team deploys the website to a second Region.The company wants to distribute traffic across bothRegions to accommodate growth and for disaster recovery purposes.The solution should not serve traffic from a Region in which the website is unhealthy.Which policy or resource should the company use to meet these requirements?Read More →
A SysOps Administrator is notified that a security vulnerability affects a version of MySQL that is being used with Amazon RDS MySQL.Who is responsible for ensuring that the patch is applied to the MySQL cluster?Read More →
Your application is using an ELB in front of an Auto Scaling group of web/application servers deployed across two AZs and a Multi-AZ RDS Instance for data persistence.The database CPU is often above 80% usage and 90% of I/O operations on the database are reads.To improve performance you recently added a single-nodeMemcached ElastiCache Cluster to cache frequent DB query results.In the next weeks the overall workload is expected to grow by 30%.Do you need to change anything in the architecture to maintain the high availability or the application with the anticipated additional load? Why?Read More →
A trucking company is deploying an application that will track the GPS coordinates of all the company’s trucks.The company needs a solution that will generate real-time statistics based on metadata lookups with high read throughput and microsecond latency.The database must be fault tolerant and must minimize operational overhead and development effort.Which combination of steps should a solutions architect take to meet these requirements? (Choose two.)Read More →
A SysOps Administrator is configuring AWS SSO for the first time.The Administrator has already created a directory in the master account using AWS DirectoryService and enabled full access in AWS Organizations.What should the Administrator do next to configure the service?Read More →
You are implementing AWS Direct Connect.You intend to use AWS public service end points such as Amazon S3, across the AWS Direct Connect link.You want other Internet traffic to use your existing link to an Internet Service Provider.What is the correct way to configure AWS Direct connect for access to services such as Amazon S3?Read More →
A company wants to migrate a high performance computing (HPC) application and data from on-premises to the AWS Cloud.The company uses tiered storage on premises with hot high-performance parallel storage to support the application during periodic runs of the application, and more economical cold storage to hold the data when the application is not actively running.Which combination of solutions should a solutions architect recommend to support the storage needs of the application? (Choose two.)Read More →
A web application runs on Amazon EC2 instances and accesses external services.The external services require authentication credentials.The application is deployed using AWS CloudFormation to three separate environments: development, test, and production.Each environment requires unique credentials for external services.What option securely provides the application with the needed credentials while requiring MINIMAL administrative overhead?Read More →
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