A company stores sales transaction data in Amazon DynamoDB tables. To detect anomalous
behaviors and respond quickly, all changes lo the items stored in the DynamoDB tables must be
logged within 30 minutes.
Which solution meets the requirements?
Question No 2
A company has a complex web application that leverages Amazon CloudFront for global scalability
and performance. Over time, users report that the web application is slowing down.
The company's operations team reports that the CloudFront cache hit ratio has been dropping
steadily. The cache metrics report indicates that query strings on some URLs are inconsistently
ordered and are specified sometimes in mixed - case letters and sometimes in lowercase letters.
Which set of actions should the solutions architect take to increase the cache hit ratio as quickly as
possible?
Question No 3
A company is running an Apache Hadoop cluster on Amazon EC2 instances. The Hadoop cluster
stores approximately 100 TB of data for weekly operational reports and allows occasional access for
data scientists to retrieve dat
a. The company needs to reduce the cost and operational complexity for storing and serving this
data.
Which solution meets these requirements in the MOST cost - effective manner?
Question No 4
A company has an application thai sells tickets online and experiences bursts of demand every 7
days. The application has a stateless presentation layer running on Amazon EC2. an Oracle database
to store unstructured data catalog information, and a backend API layer. The front - end layer uses an
Elastic Load Balancer to distribute the load across nine On - Demand Instances over three Availability
Zones (AZs). The Oracle database is running on a single EC2 instance. The company is experiencing
performance issues when running more than two concurrent campaigns. A solutions architect must
design a solution that meets the following requirements:
• Address scalability issues.
• Increase the level of concurrency.
• Eliminate licensing costs.
• Improve reliability.
Which set of steps should the solutions architect take?
Question No 5
A company wants to retire its Oracle Solaris NFS storage arrays. The company requires rapid data
migration over its internet network connection to a combination of destinations for Amazon S3.
Amazon Elastic File System (Amazon EFS), and Amazon FSx lor Windows File Server. The company
also requires a full initial copy, as well as incremental transfers of changes until the retirement of the
storage arrays. All data must be encrypted and checked for integrity.
What should a solutions architect recommend to meet these requirements?