A finance company needs to make sure that its MySQL database backups are available for the most recent 90 days. All of the MySQL databases are hosted on Amazon RDS for MySQL DB instances. A database specialist must implement a…
A database specialist must load 25 GB of data files from a company’s on-premises storage to an Amazon Neptune database. Which approach to load the data is FASTEST? A. Upload the data to Amazon S3 and use the Loader command…
A company hosts an internal file-sharing application running on Amazon EC2 instances in VPC_A. This application is backed by an Amazon ElastiCache cluster, which is in VPC_B and peered with VPC_A. The company migrates its application instances from VPC_A to…
A financial company recently launched a portfolio management solution. The backend of the application is powered by Amazon Aurora with MySQL compatibility. The company requires an RTO of 5 minutes and an RPO of 5 minutes. A database specialist must…
An online advertising website uses an Amazon DynamoDB table with on-demand capacity mode as its data store. The website also has a DynamoDB Accelerator (DAX) cluster in the same VPC as its web application server. The application needs to perform…
A ride-hailing application uses an Amazon RDS for MySQL DB instance as persistent storage for bookings. This application is very popular and the company expects a tenfold increase in the user base in next few months. The application experiences more…
An online retail company is planning a multi-day flash sale that must support processing of up to 5,000 orders per second. The number of orders and exact schedule for the sale will vary each day. During the sale, approximately 10,000…
A startup company is building a new application to allow users to visualize their on-premises and cloud networking components. The company expects billions of components to be stored and requires responses in milliseconds. The application should be able to identify:…
A company has an AWS CloudFormation template written in JSON that is used to launch new Amazon RDS for MySQL DB instances. The security team has asked a database specialist to ensure that the master password is automatically rotated every…
A company is using a Single-AZ Amazon RDS for MySQL DB instance for development. The DB instance is experiencing slow performance when queries are executed. Amazon CloudWatch metrics indicate that the instance requires more I/ O capacity. Which actions can…