Cloud Concepts

Question 1

6 advantages of cloud

Answer 1

1) Trade capital expense for variable expense
2) Benefit from massive economies of scale
3) Stop guessing about capacity
4) Increase speed and agility
5) Stop spending money running data center
6) Go global in minutes

Question 2

3 types of Cloud Computing

Answer 2

1. IaaS - AWS. You manage the server and OS. DC provider will have no access to your server
2. PaaS - Someone else manages the hardware, OS, security, patching, updates, maintenance etc. You focus on your applications.
3. SaaS - Thinks of Gmail. You manage the software provided and how to use it

Question 3

Region

Answer 3

Physical location in world physically and geographically isolated from one another.

Question 4

Availability Zone

Answer 4

One or more discrete data center. Redundant power, networking, connectivity, housed in separate facility.
Isolated but connected through low-latency link.

Question 5

Edge Location

Answer 5

Datacenter owned by AWS partner. Serves requests for CloudFront and Route 53. Also S3 Transfer Acceleration and API Gateway. Allows for low latency.

Question 6

Resource Group

Answer 6

Service that lets you manage and automate tasks on a large number of resources at one time.
Collection of resources that share one or more tags.
Collection of resources deployed in the same AWS region that match criteria specified in the group’s query.