Final Exam Tips

Question 1

What are the Six advantages of Cloud?

Answer 1

1. Trade Capital Expense for Variable Expense
2. Massive economy of scale
3. No more capacity guessing
4. Increase speed and agility
5. no data centers needed
6. global in minutes

Question 2

What is a Distribution?

Answer 2

Name given to a CDN (aggregate of edge locations)

Question 3

How many AZs are in each Region?

Answer 3

At least two

Question 4

What happens when demand for your S3 hosted website goes up?

Answer 4

S3 scales automatically

Question 5

What allows you to replicate the contents of one bucket to another?

Answer 5

Cross region replication

Question 6

What is Amazon LightSail?

Answer 6

Amazons Cloud hosting service (SaaS)

Question 7

Websites can be hosted on S3 but what are the limitations?

Answer 7

Static files only (html, javascript)

Cannot use database connections

Question 8

How can objects in transit to S3 be encrypted?

Answer 8

Using SSL

Question 9

How long are S3 objects cached and can they be killed manually?

Answer 9

For TTL. They can be killed manually but with a cost

Question 10

What are the two methods to restrict access to an S3 bucket?

Answer 10

Entire Bucket - Policy

Individual object - ACL

Question 11

What are the main differences between S3 and Glacier?

Answer 11

S3 - current data

Glacier - 3-5 hour data retrieval time

Question 12

What are the two types of distributions

Answer 12

Web

RTMP - Streaming

Question 13

How does S3 Transfer Acceleration Work?

Answer 13

Users worldwide upload to Edge Locations

Edge Locations replicate to your S3 bucket