Theory Practice Set - 1 Flashcards
(10 cards)
What is Amazon CloudFront
It is an AWS CDN service that uses a global network of edge locations to deliver content quickly and securely to users worldwide.
What is NoSQL database
It is an non-relational database designed to store and retrieve unstructured or semi-structured data,
What is AWS Region
Its an Logical Entity , a geographically separate area where AWS has one or more data centers, called Availability Zones
What is Availability Zone (AZ)
Group of separate data centers within an AWS Region,
designed with independent power, cooling, and networking, connected to other AZs in the same region with low-latency links under 100kms range
Problem which is difficult to solve without cloud computing
What is share responsibility model
Advantages of cloud computing
Pay as you go
Go global in minutes
Stop spending money running and managing maintaining data centres
What is elasticity and scalability
Elasticity - resources can be quickly scared up or down to meet changing demands
Scalability - easy to scale EC2 instances both vertically (increase more power to machines) or horizontally (adding more machines) depending on workload
What is the difference between characteristic and advantage
How elasticity and scalability work in real in AWS