Azure Architecture

Question 1

What is a Region ?

Answer 1

a set of datacenters with latency defined perimeter (i.e. servers are fairly close together) e.g. East US

Question 2

Which region to use ?

Answer 2

Proximity to user base (reduces latency).
Not all features available in every region
Pricing varies region to region

Question 3

What is a Paired Region ?

Answer 3

Each region has a pair in the same geographical region
fails over if outage occurs
allows for planned updates

Question 4

What are Availability Zones ?

Answer 4

a physical location within a region with own power etc.

Each region has a minimum of 3 zones (datacentres)

Question 5

What is a Resource Group

Answer 5

Everything within Azure is in a Resource Group. Basically an object container.
each object can only be in one RG
Can move between RGs
RG can have objects in different regions
Can access permissions to RG

Question 6

What is Azure Resource Management (ARM) ?

Answer 6

Deployment and management services
any interaction with an Azure resource goes through ARM
resource deployment same each time
Access Control
Deploy resources as a group
Tagging / Billing