A Company Stores Sales Transaction Data in Amazon DynamoDB Tables

question 153

Multiple Choice

A company stores sales transaction data in Amazon DynamoDB tables. To detect anomalous behaviors and respond quickly, all changes to the items stored in the DynamoDB tables must be logged within 30 minutes. Which solution meets the requirements?

• A) Copy the DynamoDB tables into Apache Hive tables on Amazon EMR every hour and analyze them for anomalous behaviors. Send Amazon SNS notifications when anomalous behaviors are detected.
• B) Use AWS CloudTrail to capture all the APIs that change the DynamoDB tables. Send SNS notifications when anomalous behaviors are detected using CloudTrail event filtering.
• C) Use Amazon DynamoDB Streams to capture and send updates to AWS Lambda. Create a Lambda function to output records to Amazon Kinesis Data Streams. Analyze any anomalies with Amazon Kinesis Data Analytics. Send SNS notifications when anomalous behaviors are detected.
• D) Use event patterns in Amazon CloudWatch Events to capture DynamoDB API call events with an AWS Lambda function as a target to analyze behavior. Send SNS notifications when anomalous behaviors are detected.

---

Definitions:

Promissory Note

A financial instrument involving a written promise by one party to pay another party a definite sum of money either on demand or at a specified future date.

Maker

An individual or entity that creates or issues a financial instrument, such as a check or note, thereby promising to pay the amount stated.

Direct Write-Off Method

An accounting method where uncollectible receivables are directly written off against income at the time they are deemed unrecoverable.

Allowance Method

An accounting technique used to anticipate and adjust for potential uncollectible accounts receivable.