03-Global Infrastructure

Question 1

What is the AWS Global Infrastructure?

Answer 1

A global cloud platform made up of smaller, interconnected groupings of infrastructure, including regions, edge locations, and availability zones (AZs).

Question 2

What are an AWS Regions?

Answer 2

Geographic areas containing full deployments of AWS services.

Question 3

What are the benefits of AWS Regions?

Answer 3

Geographic Isolation - Protects against disasters and failures in other Regions, Geopolitical Control - Users can choose Regions based on compliance with local laws and regulations, Location Control - Optimize performance by placing infrastructure close to customers.

Question 4

What are AWS Edge Locations?

Answer 4

Smaller infrastructure deployments primarily used for content distribution (CDN) and edge computing?

Question 5

What is the purpose of AWS Edge Locations?

Answer 5

Serve data closer to end users to reduce latency and improve performance.

Question 6

What is an example of AWS Edge Locations?

Answer 6

Netflix streaming content from an edge location in Melbourne for faster delivery to Australian customers.

Question 7

What are Availability Zones (AZs)?

Answer 7

Isolated groups of AWS Infrastructure within a region?

Question 8

What is the purpose of an AZ?

Answer 8

Enhance resilience by disturbing services across multiple AZs in the same region.

Question 9

What is typically usage of multiple AZs?

Answer 9

Services deployed across multiple AZs can continue to function even if one AZ fails.

Question 10

What are Service Resilience Levels?

Answer 10

Globally Resilient Services, Regionally Resilient Services ,AZ-Resilient Services

Question 11

What are Globally Resilient Services?

Answer 11

Operate across multiple regions with a single replicated database, tolerating regional failures.

Question 12

What is an example of a Globally Resilient Service?

Answer 12

A globally resilient service like IAM operates across multiple regions. Even if a region like Northern Virginia fails, IAM remains fully functional in all other regions.

Question 13

What are Regionally Resilient Services?

Answer 13

Operate within a single region, replicating data across multiple AZs for resilience.

Question 14

What is an example of a Regionally Resilient Service?

Answer 14

An RDS Database in Sydney replicates data across multiple AZs. If an AZ fails, the service remains operational, but a full region failure would cause an outage.

Question 15

What are AZ-Resilient Services?

Answer 15

Operates within a single AZ. If that AZ fails, that service will fail.

Question 16

What is an example of an AZ-Resilient Service?

Answer 16

An edge location in Melbourne serves content like a TV show, allowing it to be streamed faster and with lower latency for users in that geographic area, rather than retrieving it from a distant region like Sydney.