Cache

Question 1

What are the external AWS caching options?

Answer 1

CloudFront, Global Accelerator

Question 2

What are the internal AWS caching options?

Answer 2

ElastiCache, DAX

Question 3

How much should you choose caching solutions?

Answer 3

Always

Question 4

What is CloudFront?

Answer 4

A content delivery network service that securely delivers static content to customers across the globe. Uses edge locations to reduce latency and provide higher transfer speeds

Question 5

What is the default connection for CloudFront?

Answer 5

HTTPS

Question 6

How do select countries in CloudFront?

Answer 6

You can’t, only general areas around the globe

Question 7

Does CloudFront work with non-AWS endpoints?

Answer 7

Yes

Question 8

Can you force an edge location to refresh before the TTL ends?

Answer 8

Yes

Question 9

What is ElastiCache?

Answer 9

An AWS managed version of 2 open source technologies: Memcached and Redis

Question 10

If you need a database caching solution that has failover and multi-AZ support, what should you choose?

Answer 10

Redis

Question 11

What is DynamoDB Accelerator?

Answer 11

DAX is an in-memory cache for DynamoDB

Question 12

If you need a caching solution for DynamoDB, what should you use?

Answer 12

DAX

Question 13

What is Global Accelerator?

Answer 13

A networking service that sends your users traffic through AWS’s global network infrastructure.

Question 14

If you need an IP caching solution, what should you use?

Answer 14

Global Accelerator

Question 15

If you need to weight different regions that your architecture lives in, what should you use?

Answer 15

Global Accelerator

Question 16

How many dynamic IP addresses does Global Accelerator provide?

Answer 16

None, 2 static IP addresses though

Question 17

What is Cloudfront usually used to front?

Answer 17

S3