A company wants to migrate an application to Amazon EC2 from VMware Infrastructure that runs in an on-premises data center. A solutions architect must preserve the software and configuration settings during the migration.
What should the solutions architect do to meet these requirements?
A company hosts its primary API on AWS using Amazon API Gateway and AWS Lambda functions. Internal applications and external customers use this API. Some customers also use a legacy API hosted on a standalone EC2 instance.
The company wants to increase security across all APIs to prevent denial of service (DoS) attacks, check for vulnerabilities, and guard against common exploits.
What should a solutions architect do to meet these requirements?
An online gaming company needs to optimize the cost of its workloads on AWS. The company uses a dedicated account to host the production environment for its online gaming application and an analytics application.
Amazon EC2 instances host the gaming application and must always be vailable. The EC2 instances run all year. The analytics application uses data that is stored in Amazon S3. The analytics application can be interrupted and resumed without issue.
Which solution will meet these requirements MOST cost-effectively?
A company collects air quality data from sensors. The company plans to use the MQTT protocol to send the data to AWS IoT Core. The company will process the data and then will store the data in an Amazon Aurora database.
During periods of low air quality, sensors will send data more frequently. The company must buffer the data during these periods to make sure that no data is lost before the data is processed and stored.
Which solution will meet these requirements?