Solutions Architect Professional (Page 8)

A large real-estate brokerage is exploring the option of adding a cost-effective location based alert to their existing mobile application.The application backend infrastructure currently runs on AWS.Users who opt in to this service will receive alerts on their mobile device regarding real-estate otters in proximity to their location.For the alerts to be relevant delivery time needs to be in the low minute count the existing mobile app has 5 million users across the US.Which one of the following architectural suggestions would you make to the customer?Read More →

You currently operate a web application.In the AWS US-East region.The application runs on an auto-scaled layer of EC2 instances and an RDS Multi-AZ database.Your IT security compliance officer has tasked you to develop a reliable and durable logging solution to track changes made to your EC2.IAM And RDS resources.The solution must ensure the integrity and confidentiality of your log data.Which of these solutions would you recommend?Read More →

A customer has a 10 GB AWS Direct Connect connection to an AWS region where they have a web application hosted on Amazon Elastic Computer Cloud (EC2).The application has dependencies on an on-premises mainframe database that uses a BASE (Basic Available, Soft state, Eventual consistency) rather than anACID (Atomicity, Consistency, Isolation, Durability) consistency model.The application is exhibiting undesirable behavior because the database is not able to handle the volume of writes.How can you reduce the load on your on-premises database resources in the most cost-effective way?Read More →

You are responsible for a legacy web application whose server environment is approaching end of life You would like to migrate this application to AWS as quickly as possible, since the application environment currently has the following limitations:✑ The VM’s single 10GB VMDK is almost full;✑ Me virtual network interface still uses the 10Mbps driver, which leaves your 100Mbps WAN connection completely underutilized;✑ It is currently running on a highly customized. Windows VM within a VMware environment;✑ You do not have me installation media;This is a mission critical application with an RTO (Recovery Time Objective) of 8 hours. RPO (Recovery Point Objective) of 1 hour.How could you best migrate this application to AWS while meeting your business continuity requirements?Read More →

An AWS customer runs a public blogging website.The site users upload two million blog entries a month.The average blog entry size is 200 KB.The access rate to blog entries drops to negligible 6 months after publication and users rarely access a blog entry 1 year after publication.Additionally, blog entries have a high update rate during the first 3 months following publication, this drops to no updates after 6 months.The customer wants to use CloudFront to improve his user’s load times.Which of the following recommendations would you make to the customer?Read More →

Company B is launching a new game app for mobile devices. Users will log into the game using their existing social media account to streamline data capture.Company B would like to directly save player data and scoring information from the mobile app to a DynamoDS table named Score Data When a user saves their game the progress data will be stored to the Game state S3 bucket.What is the best approach for storing data to DynamoDB and S3?Read More →

Your company is getting ready to do a major public announcement of a social media site on AWS.The website is running on EC2 instances deployed across multiple Availability Zones with a Multi-AZ RDS MySQL Extra Large DB Instance.The site performs a high number of small reads and writes per second and relies on an eventual consistency model.After comprehensive tests you discover that there is read contention on RDS MySQL.Which are the best approaches to meet these requirements? (Choose two.)Read More →

You are designing an intrusion detection prevention (IDS/IPS) solution for a customer web application in a single VPC.You are considering the options for implementing IOS IPS protection for traffic coming from the Internet.Which of the following options would you consider? (Choose two.)Read More →

An International company has deployed a multi-tier web application that relies on DynamoDB in a single region.For regulatory reasons they need disaster recovery capability in a separate region with a Recovery Time Objective of 2 hours and a Recovery Point Objective of 24 hours.They should synchronize their data on a regular basis and be able to provision me web application rapidly using CloudFormation.The objective is to minimize changes to the existing web application, control the throughput of DynamoDB used for the synchronization of data and synchronize only the modified elements.Which design would you choose to meet these requirements?Read More →

A web company is looking to implement an external payment service into their highly available application deployed in a VPC Their application EC2 instances are behind a public facing ELB.Auto scaling is used to add additional instances as traffic increases under normal load the application runs 2 instances in the AutoScaling group but at peak it can scale 3x in size.The application instances need to communicate with the payment service over the Internet which requires whitelisting of all public IP addresses used to communicate with it.A maximum of 4 whitelisting IP addresses are allowed at a time and can be added through anAPI.How should they architect their solution?Read More →