An AWS Customer Runs a Public Blogging Website

question 1

Multiple Choice

An AWS customer runs a public blogging website. The site users upload two million blog entries a month. The average blog entry size is 200 KB. The access rate to blog entries drops to negligible 6 months after publication and users rarely access a blog entry 1 year after publication. Additionally, blog entries have a high update rate during the first 3 months following publication, this drops to no updates after 6 months.  The customer wants to use CloudFront to improve his user's load times. Which of the following recommendations would you make to the customer?

• A) Duplicate entries into two different buckets and create two separate CloudFront distributions where S3 access is restricted only to Cloud Front identity
• B) Create a CloudFront distribution with "US Europe" price class for US/Europe users and a different CloudFront distribution with "All Edge Locations" for the remaining users.
• C) Create a CloudFront distribution with S3 access restricted only to the CloudFront identity and partition the blog entry's location in S3 according to the month it was uploaded to be used with CloudFront behaviors.
• D) Create a CloudFront distribution with Restrict Viewer Access Forward Query string set to true and minimum TTL of 0.

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Definitions:

Real Variables

Economic variables that have been adjusted for inflation, allowing for the comparison of quantities over time.

Monetary Neutrality

The idea that changes in the money supply only affect nominal variables and have no long-term impact on real variables like output or employment.

Real Variables

Economic variables that have been adjusted for changes in price levels, reflecting the actual purchasing power.

Nominal Variables

Variables measured in monetary terms without adjusting for inflation, reflecting current prices.