A Solutions Architect Has Been Asked to Look at a Company's

question 523

Multiple Choice

A Solutions Architect has been asked to look at a company's Amazon Redshift cluster, which has quickly become an integral part of its technology and supports key business process. The Solutions Architect is to increase the reliability and availability of the cluster and provide options to ensure that if an issue arises, the cluster can either operate or be restored within four hours. Which of the following solution options BEST addresses the business need in the most cost-effective manner?

• A) Ensure that the Amazon Redshift cluster has been set up to make use of Auto Scaling groups with the nodes in the cluster spread across multiple Availability Zones.
• B) Ensure that the Amazon Redshift cluster creation has been templated using AWS CloudFormation so it can easily be launched in another Availability Zone and data populated from the automated Redshift back-ups stored in Amazon S3.
• C) Use Amazon Kinesis Data Firehose to collect the data ahead of ingestion into Amazon Redshift and create clusters using AWS CloudFormation in another region and stream the data to both clusters.
• D) Create two identical Amazon Redshift clusters in different regions (one as the primary, one as the secondary). Use Amazon S3 cross-region replication from the primary to secondary region, which triggers an AWS Lambda function to populate the cluster in the secondary region.

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Definitions:

Prior Process Costs

Costs that have been incurred in earlier stages of the production process and are carried forward into subsequent stages.

Conversion Costs

The costs incurred during the transformation of raw materials into finished goods, typically including labor and overhead.

Weighted Average Costing

An inventory valuation method that averages the cost of goods available for sale by weighting the costs based on the quantity of each item.

Equivalent Units

A concept used in process costing that represents a measure of the work done during a period, expressed in fully completed units.