Azure Physical Infrastructure Flashcards
1
Q
Three completely independent components of an Azure datacenter?
A
- Power
- Cooling
- Network infrastructure
1
Q
What is the Azure physical infrastructure hierarchy?
(Largest to smallest)
A
- Geography
- Region
- Availability Zone
- Datacenter
2
Q
What is an Availability Zone?
A
- Three or more physically separate datacenters, connected by fiber
3
Q
Types of Azure services that support AZs?
A
- Zonal - pinned to a zone
- Zone-redundant - replicated across zones automatically
- Always-available / Non-regional
4
Q
What is the failure domain of a Zonal service?
A
Zone deployed in
5
Q
What is the failure domain of a
Zone-redundant service?
A
Region deployed in
6
Q
What is the failure domain of a
Always-available / Non-regional service?
A
Azure global
7
Q
Number of Azure Regions?
A
51
8
Q
Number of Availability Zones?
A
Over 120
9
Q
What is a zone-enabled Region?
A
A Region with three or more Availability Zones
10
Q
Are all Regions zone-enabled?
A
No.
11
Q
What is an Azure Geography?
A
- Contains one or more Regions.
- Boundary for specific data residency and compliance requirements
