Design Cost-Optimized Architectures

Question 1

Amazon Redshift cross-account data sharing

Answer 1

it provides an efficient and secure way of sharing data in the Redshift with different accounts,

Question 2

Data Share

Answer 2

A data share is a uniy of sharing data that can be created for sharing data in Amazon Redshift with the users in the same or different accounts.

Question 3

RAM

Answer 3

AWS Resource Access Manager can be used to share resources with other accounts.

• It can be used to share resources by one account to other accounts that need the same resources within the same AWS organisation

Question 4

Resource based policies

Answer 4

They are used to specify users who can access resources and what actions they can perform on the specified resources

Question 5

Savings Plan

Answer 5

It provides a flexible pricing model that provides savings on AWS usage

• You can save up to 72% on your AWS compute load.

Question 6

Amazon CloudFront

Answer 6

It is a content delivery method (CDN) service that offers a simple pay-as-you-go pricing model.

• its origin fetches are free, if hosted on EC2

Question 7

How to manage how long a content stays incache

Answer 7

• Imcreasing the duration allows you the serve dynamic content
• reducing the duration means better performance becos contents are more likely to be served from the edge cache. It also reduces load on origin.
• You can change the cache duration in 2 ways
  1. For all files u can change the cloud duration settings for Minimum TTL, maximum TTl, and Default TTL
  2, For an individual file, u can configure your origin to add a cache control header with the max-age directive or an expires header for the file