CloudFront

Question 1

What are the basic components of CloudFront?

Answer 1

Origin, Edge Location, Distribution

Question 2

What is a CloudFront Origin?

Answer 2

An origin is the source of files/data that the CDN will distribute. Sample origins include S3, EC2, ELB, or Route53.

Question 3

What is a CloudFront Distribution?

Answer 3

Distribution is the name given to the CDN which consists of the edge locations. It can deliver dynamic, static, streaming and interactive content. They come in two main types: Web Distributions for website and RTMP distributions for media stringing and adobe

Question 4

What is a CloudFront Edge Location?

Answer 4

And Edge Location is a node on Amazon’s Content Delivery Network. You cache content to an edge location for a TTL.

Question 5

How can you secure data accessed via CloudFormation so that only authorized users can access the data?

Answer 5

Via Signed Cookies or Signed URLs

Question 6

When would you use a Signed URL over a Signed Cookie?

Answer 6

Use a signed URL per file in S3. 1 URL = 1 File

Question 7

When would you use a signed cookie instead of a signed URL?

Answer 7

A signed cookie can be used to access multiple files

Question 8

What are the components of a signed cookie/url policy that you can specify to restrict user access?

Answer 8

IP Address Ranges
URL Expiration
Trusted Signers (who can generate a signed URL)
Path