A Company Has Two Applications: a Sender Application That Sends

question 45

Multiple Choice

A company has two applications: a sender application that sends messages with payloads to be processed and a processing application intended to receive messages with payloads. The company wants to implement an AWS service to handle messages between the two applications. The sender application can send about 1,000 messages each hour. The messages may take up to 2 days to be processed. If the messages fail to process, they must be retained so that they do not impact the processing of any remaining messages. Which solution meets these requirements and is the MOST operationally efficient?

• A) Set up an Amazon EC2 instance running a Redis database. Configure both applications to use the instance. Store, process, and delete the messages, respectively.
• B) Use an Amazon Kinesis data stream to receive the messages from the sender application. Integrate the processing application with the Kinesis Client Library (KCL).
• C) Integrate the sender and processor applications with an Amazon Simple Queue Service (Amazon SQS) queue. Configure a dead-letter queue to collect the messages that failed to process.
• D) Subscribe the processing application to an Amazon Simple Notification Service (Amazon SNS) topic to receive notifications to process. Integrate the sender application to write to the SNS topic.

---

Definitions:

Sample Mean

The average value of a set of observations or data points in a sample.

Marathon Runners

Athletes who participate in a marathon, a long-distance running race with an official distance of 42.195 kilometers (approximately 26.219 miles).

Production Filling

The process in manufacturing where products are filled into their final packaging, often under controlled conditions to meet standards.

Historical Standard Deviation

A measure of volatility or variability based on past data, indicating how much the values in a dataset have deviated from the mean over a certain period.