AWS Global Infrastructure Flashcards

Why would a company choose to host resources in multiple AWS Availability Zones?

Answer: To achieve high availability and fault tolerance

Deploying across multiple AZs ensures your application remains available even if one AZ experiences an outage, providing fault tolerance.

What does AWS data sovereignty mean in the context of Regions?

Answer: Your data does not leave a Region unless you explicitly move it

AWS guarantees that your data and services stay within the Region you choose unless you take explicit actions to replicate or transfer data elsewhere.

What is the AWS Global Network?

Answer: A private, high-bandwidth, low-latency fiber network that connects AWS Regions and data centers

The AWS Global Network is a private, redundant fiber network connecting all AWS infrastructure, providing more reliable and faster inter-Region communication than the public internet.

Which AWS service uses the global network to accelerate internet traffic for your application by routing it through the nearest AWS edge location?

Answer: AWS Global Accelerator

AWS Global Accelerator routes user traffic through the AWS global network to the optimal endpoint, improving availability and performance.

How many factors should you consider when choosing an AWS Region for your workload?

Answer: Compliance, latency, service availability, and pricing

When selecting a Region, best practice is to evaluate four factors: data compliance/residency requirements, proximity to users, available services, and pricing.

What is AWS Wavelength designed to support?

Answer: Ultra-low latency applications for 5G mobile devices by embedding AWS compute within telecom networks

AWS Wavelength embeds AWS compute and storage within 5G networks at the telecom edge, enabling single-digit millisecond latency for mobile applications.