A retail organization is deploying a new application that will read and write data to a database. The company wants to deploy the application in three different AWS Regions in an active-active configuration. The databases need to replicate to keep information in sync.

Which solution best meets these requirements?

A company’s Amazon RDS MySQL DB instance may be rebooted for maintenance and to apply patches. This database is critical and potential user disruption must be minimized.

What should the Solution Architect do in this scenario?

A new mobile application that your company is deploying will be hosted on AWS. The users of the application will use mobile devices to upload small amounts of data on a frequent basis. It is expected that the number of users connecting each day could be over 1 million. The data that is uploaded must be stored in a durable and persistent data store. The data store must also be highly available and easily scalable.

Which AWS service would you use?

A customer has a production application running on Amazon EC2. The application frequently overwrites and deletes data, and it is essential that the application receives the most up-to-date version of the data whenever it is requested.

Which service is most appropriate for these requirements?

Your company is opening a new office in the Asia Pacific region. Users in the new office will need to read data from an RDS database that is hosted in the U.S. To improve performance, you are planning to implement a Read Replica of the database in the Asia Pacific region. However, your Chief Security Officer (CSO) has explained to you that the company policy dictates that all data that leaves the U.S must be encrypted at rest. The master RDS DB is not currently encrypted.

What options are available to you? (Select TWO.)

A Solutions Architect has been asked to improve the performance of a DynamoDB table. Latency is currently a few milliseconds and this needs to be reduced to microseconds whilst also scaling to millions of requests per second.

What is the BEST architecture to support this?

A company is generating large datasets with millions of rows that must be summarized by column. Existing business intelligence tools will be used to build daily reports.

Which storage service meets the requirements?

A new application you are designing will store data in an Amazon Aurora MySQL DB. You are looking for a way to enable inter-region disaster recovery capabilities with fast replication and fast failover. Which of the following options is the BEST solution?

You are trying to decide on the best data store to use for a new project. The requirements are that the data store is schema-less, supports strongly consistent reads, and stores data in tables, indexed by a primary key.

Which AWS data store would you use?

You are a Solutions Architect for Digital Cloud Training. A client has asked for some assistance in selecting the best database for a specific requirement. The database will be used for a data warehouse solution and the data will be stored in a structured format. The client wants to run complex analytics queries using business intelligence tools.

Which AWS database service will you recommend?