10000 Foot Overview - Part 1 Flashcards
What does an AWS Global Infrastructure consist of…?
- Regions
- Availability Zones
- Edge Locations
What is a Region?
A Region is a geographical area where AWS resources exist.
A region consists of 2 or more availability zones.
What is an Availability Zone?
An Availability Zone (AZ) is simply a data center.
What is an Edge Location?
Edge locations are Content Delivery Network endpoints for CloudFront.
They offer users a way to cache large media files in the cloud for quicker access.
What is a VPC?
Virtual Private Cloud-
They act as a virtual data center where you deploy your assets.
What is Route53?
Amazon’s DNS service
Translates domains names to IP addresses.
What is CloudFront?
Content Delivery Network - edge locations used to cache large files: like video, music, photos…etc
Direct Connect
connects physical data centers to AWS using a dedicated phone line.
Used if you need a very reliable internet connection for pushing lots of data to AWS or down from AWS
What is EC2?
Elastic Compute Cloud– virtual machines that run on AWS.
What does Elastic Beanstalk do?
it deploys your code to AWS and then AWS provisions infrastructure underneath your code.
What is Lambda?
Serverless cloud computing.
upload code to Lamda, your code will respond to events
Why are Availability Zones isolated?
If one Availability zone goes down it won’t affect another.
Offering clients redundancy of their data