A Solutions Architect Needs to Migrate a Legacy Application from on Premises

question 787

Multiple Choice

A Solutions Architect needs to migrate a legacy application from on premises to AWS. On premises, the application runs on two Linux servers behind a load balancer and accesses a database that is master-master on two servers. Each application server requires a license file that is tied to the MAC address of the server's network adapter. It takes the software vendor 12 hours to send ne license files through email. The application requires configuration files to use static. IPv4 addresses to access the database servers, not DNS. Given these requirements, which steps should be taken together to enable a scalable architecture for the application servers? (Choose two.)

• A) Create a pool of ENIs, request license files from the vendor for the pool, and store the license files within Amazon S3. Create automation to download an unused license, and attach the corresponding ENI at boot time.
• B) Create a pool of ENIs, request license files from the vendor for the pool, store the license files on an Amazon EC2 instance, modify the configuration files, and create an AMI from the instance. use this AMI for all instances.
• C) Create a bootstrap automation to request a new license file from the vendor with a unique return email. Have the server configure itself with the received license file.
• D) Create bootstrap automation to attach an ENI from the pool, read the database IP addresses from AWS Systems Manager Parameter Store, and inject those parameters into the local configuration files. Keep SSM up to date using a Lambda function.
• E) Install the application on an EC2 instance, configure the application, and configure the IP address information. Create an AMI from this instance and use if for all instances.

Recognize the importance of environmental factors and community infrastructure in disease prevention.

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Definitions:

Experimental Group

The group in an experiment that receives the treatment or intervention, allowing researchers to measure the effect of that intervention.

Power Analysis

A statistical method used to determine the sample size required to detect an effect of a given size from a statistical test.

Empirical Reasoning

A method of thinking that bases conclusions on direct, observable evidence and experience.

Control Group

A standard or baseline group in an experiment or study that does not receive the treatment or intervention being tested, for comparison purposes.