Your Company Plans to Host a Large Donation Website on Amazon

question 191

Multiple Choice

Your company plans to host a large donation website on Amazon Web Services (AWS) . You anticipate a large and undetermined amount of traffic that will create many database writes. To be certain that you do not drop any writes to a database hosted on AWS. Which service should you use?

• A) Amazon RDS with provisioned IOPS up to the anticipated peak write throughput.
• B) Amazon Simple Queue Service (SQS) for capturing the writes and draining the queue to write to the database.
• C) Amazon ElastiCache to store the writes until the writes are committed to the database.
• D) Amazon DynamoDB with provisioned write throughput up to the anticipated peak write throughput.

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Definitions:

Average Service Rate

A measure of how quickly a service provider or system can perform its intended function, typically evaluated over a period to assess efficiency.

Average Service Time

The average duration needed to complete a particular service or process.

M/M/S

A queuing model notation representing a system with exponential service times, exponential interarrival times, and S servers.

Average Number

Represents the mean or central value of a set of numbers, calculated by dividing the sum of all the values by the number of values.