A Company Needs to Cost-Effectively Persist Small Data Records (Up

question 757

Multiple Choice

A company needs to cost-effectively persist small data records (up to 1 KiB) for up to 30 days. The data is read rarely. When reading the data, a 5-minute delay is acceptable. Which of the following solutions achieve this goal? (Choose two.)

• A) Use Amazon S3 to collect multiple records in one S3 object. Use a lifecycle configuration to move data to Amazon Glacier immediately after write. Use expedited retrievals when reading the data.
• B) Write the records to Amazon Kinesis Data Firehose and configure Kinesis Data Firehose to deliver the data to Amazon S3 after 5 minutes. Set an expiration action at 30 days on the S3 bucket.
• C) Use an AWS Lambda function invoked via Amazon API Gateway to collect data for 5 minutes. Write data to Amazon S3 just before the Lambda execution stops.
• D) Write the records to Amazon DynamoDB configured with a Time To Live (TTL) of 30 days. Read data using the GetItem or BatchGetItem call. Write the records to Amazon DynamoDB configured with a Time To Live (TTL) of 30 days. Read data using the GetItem or BatchGetItem call.
• E) Write the records to an Amazon ElastiCache for Redis. Configure the Redis append-only file (AOF) persistence logs to write to Amazon S3. Recover from the log if the ElastiCache instance has failed.

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Definitions:

Activity-Based Costing

A technique which aims to assign costs to products or services based on the activities they require, providing detailed insights into spending and resource usage.

Critical Success Factors

Key areas or activities required for achieving an organization's goals or improving its performance.

Performance Measurement

The process of evaluating the effectiveness and efficiency of actions or operations, often using indicators or metrics.

Variable Cost

Expenses that vary with the level of production or sales volume, including costs such as raw materials and direct labor.