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?Read More →
How does AWS Cloud computing help businesses reduce costs? (Choose two.)Read More →
A company has migrated an application to Amazon EC2 instances.Automatic scaling is working well for the application user interface.However, the process to deliver shipping requests to the company’s warehouse staff is encountering issues.Duplicate shipping requests are arriving, and some requests are lost or arrive out of order.The company must avoid duplicate shipping requests and must process the requests in the order that the requests arrive.Requests are never more than 250 KB in size and take 5-10 minutes to process.A developer needs to rearchitect the application to improve the reliability of the delivery and processing of the requests.What should the developer do to meet these requirements?Read More →
A company has a media metadata extraction pipeline running on AWS.Notifications containing a reference to a file in Amazon S3 are sent to an Amazon SimpleNotification Service (Amazon SNS) topic.The pipeline consists of a number of AWS Lambda functions that are subscribed to the SNS topic.The Lambda functions extract the S3 tile and write metadata to an Amazon RDS PostgreSQL DB instance.Users report that updates to the metadata are sometimes slow to appear or are lost.During these times, the CPU utilization on the database is high and the number of failed Lambda invocations increases.Which combination of actions should a solutions architect take to help resolve this issue? (Choose two.)Read More →
A research company runs experiments that are powered by a simulation application and a visualization application.The simulation application runs on Linux and outputs intermediate data to an NFS share every 5 minutes.The visualization application is a Windows desktop application that displays the simulation output and requires an SMB file system.The company maintains two synchronized file systems.This strategy is causing data duplication and inefficient resource usage.The company needs to migrate the applications to AWS without making code changes to either application.Which solution will meet these requirements?Read More →
A company runs a web application on a single Amazon EC2 instance.End users experience slow application performance during times of peak usage, when CPU utilization is consistently more than 95%.A user data script installs required custom packages on the EC2 instance.The process of launching the instance takes several minutes.The company is creating an Auto Scaling group that has mixed instance groups, varied CPUs, and a maximum capacity limit.The Auto Scaling group will use a launch template for various configuration options.The company needs to decrease application latency when new instances are launched during auto scaling.Which solution will meet these requirements?Read More →
Which AWS Cloud benefit describes the ability to acquire resources as they are needed and release resources when they are no longer needed?Read More →
A company has multiple applications that use Amazon RDS for MySQL as is database.The company recently discovered that a new custom reporting application has increased the number of Queries on the database.This is slowing down performance.How should a solutions architect resolve this issue with the LEAST amount of application changes?Read More →
A company is hosting a workshop for external users and wants to share the reference documents with the external users for 7 days.The company stores the reference documents in an Amazon S3 bucket that the company owns.What is the MOST secure way to share the documents with the external users?Read More →
A company is currently running a production workload on AWS that is very I/O intensive.Its workload consists of a single tier with 10 c4.8xlarge instances, each with 2 TB gp2 volumes.The number of processing jobs has recently increased, and latency has increased as well.The team realizes that they are constrained on the IOPS.For the application to perform efficiently, they need to increase the IOPS by 3,000 for each of the instances.Which of the following designs will meet the performance goal MOST cost effectively?Read More →
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