Week 5 QC - AWS
What is the relationship between region and availability zone?
A (1) is where data centers are physically located while (2) are data centers with redundant power, networking, and connectivity within a (1)
What is an RDS
A relational database system.
What is AMI
Amazon machine image are blueprints for OS for an EC2.
What is SaaS?
Application, data, runtime environment, middleware, OS, virtualization, servers, storage, and networking. An example would be google docs. So it more or less is a self contained application that doesn't need any additional work from the end user to use.
What is EBS
Elastic Block Store and is a block storage service designed for EC2 and other AWS platforms.
What is EC2?
Elastic compute cloud that allows for web scale cloud computing for devs.
What are the three models of cloud computing?
Infrastructure, Platform, and Software (IaaS, PaaS, and SaaS).
What is AWS S3
Its a simple storage service that can be scaled, secure, and perform well and have all of the data readily available. (Its PaaS).
What is IaaS
OS, virtualization, servers, storage, and networking. AWS EC2 is an example and its designed for admins. This is cloud infrastructure and is meant to be scalable. This effectively is the resources for the other services.
What type of service is AWS RDS?
PaaS
What is PaaS
Runtime environment, middleware, OS, virtualization, servers, storage, and networking. Its made for developers and involves application services. This provides a sort cloud platform services. This gives developers a framework to build custom applications.
What are security groups
Virtual firewalls for an instance to control inbound and outbound traffic that act on an instance level.
What are the benefits of cloud services?
______ let's you use external resources to store and manage the infrastructure for your application. Generally this is more cost efficient and robust.
