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A medical company is building a data lake on Amazon S3. The data must be encrypted in transit and at rest. The data must remain protected even if S3 bucket is inadvertently made public. Which combination of steps will meet these requirements? (Choose three.)
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A solutions architect needs to advise a company on how to migrate its on-premises data processing application to the AWS Cloud. Currently, users upload input files through a web portal. The web server then stores the uploaded files on NAS and messages the processing server over a message queue. Each media file can take up to 1 hour to process. The company has determined that the number of media files awaiting processing is significantly higher during business hours, with the number of files rapidly declining after business hours. What is the MOST cost-effective migration recommendation?
An online e-commerce business is running a workload on AWS. The application architecture includes a web tier, an application tier for business logic, and a database tier for user and transactional data management. The database server has a 100 GB memory requirement. The business requires cost-efficient disaster recovery for the application with an RTO of 5 minutes and an RPO of 1 hour. The business also has a regulatory for out-of-region disaster recovery with a minimum distance between the primary and alternate sites of 250 miles. Which of the following options can the Solutions Architect design to create a comprehensive solution for this customer that meets the disaster recovery requirements?
For AWS CloudFormation, which stack state refuses UpdateStack calls?
A Solutions Architect is migrating a 10 TB PostgreSQL database to Amazon RDS for PostgreSQL. The company’s internet link is 50 MB with a VPN in the Amazon VPC, and the Solutions Architect needs to migrate the data and synchronize the changes before the cutover. The cutover must take place within an 8-day period. What is the LEAST complex method of migrating the database securely and reliably?
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A company is hosting a critical application on a single Amazon EC2 instance. The application uses an Amazon ElastiCache for Redis single-node cluster for an in-memory data store. The application uses an Amazon RDS for MariaDB DB instance for a relational database. For the application to function, each piece of the infrastructure must be healthy and must be in an active state. A solutions architect needs to improve the application's architecture so that the infrastructure can automatically recover from failure with the least possible downtime. Which combination of steps will meet these requirements? (Select THREE.)
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Question 261 - SAP-C01 discussion

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A company has decided to move some workloads onto AWS to create a grid environment to run market analytics. The grid will consist of many similar instances, spun-up by a job-scheduling function. Each time a large analytics workload is completed, a new VPC is deployed along with job scheduler and grid nodes. Multiple grids could be running in parallel. Key requirements are:

Grid instances must communicate with Amazon S3 to retrieve data to be processed.

Grid instances must communicate with Amazon DynamoDB to track intermediate data.

The job scheduler needs only to communicate with the Amazon EC2 API to start new grid nodes.

A key requirement is that the environment has no access to the internet, either directly or via the on-premises proxy. However, the application needs to be able to seamlessly communicate to Amazon S3, Amazon DynamoDB, and Amazon EC2 API, without the need for reconfiguration for each new deployment. Which of the following should the Solutions Architect do to achieve this target architecture? (Choose three.)

A.
Enable VPC endpoints for Amazon S3 and DynamoDB.
Answers
A.
Enable VPC endpoints for Amazon S3 and DynamoDB.
B.
Disable Private DNS Name Support.
Answers
B.
Disable Private DNS Name Support.
C.
Configure the application on the grid instances to use the private DNS name of the Amazon S3 endpoint.
Answers
C.
Configure the application on the grid instances to use the private DNS name of the Amazon S3 endpoint.
D.
Populate the on-premises DNS server with the private IP addresses of the EC2 endpoint.
Answers
D.
Populate the on-premises DNS server with the private IP addresses of the EC2 endpoint.
E.
Enable an interface VPC endpoint for EC2.
Answers
E.
Enable an interface VPC endpoint for EC2.
F.
Configure Amazon S3 endpoint policy to permit access only from the grid nodes.
Answers
F.
Configure Amazon S3 endpoint policy to permit access only from the grid nodes.
Suggested answer: A, C, E

Explanation:

Reference: https://aws.amazon.com/premiumsupport/knowledge-center/connect-s3-vpc-endpoint/

https://docs.aws.amazon.com/vpc/latest/userguide/vpce-interface.html

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asked 16/09/2024
Stan Nichols
32 questions
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