W11

A set of flashcards covering key vocabulary and concepts related to building IT infrastructure in the cloud.

Cloud Computing

Services that provide virtualized infrastructure and services over the internet.

5 Essential Characteristics of Cloud

On-demand self-service, broad network access, resource pooling, rapid elasticity, and measured service.

Public Cloud

Cloud services offered by providers like AWS, Azure, and GCP that are available to anyone.

Private Cloud

Cloud infrastructure established solely for a single organization’s use.

Hybrid Cloud

A combination of public and private cloud services that allows for greater flexibility.

Community Cloud

Cloud infrastructure shared among several organizations with a common concern.

IaaS (Infrastructure as a Service)

Cloud model where the provider manages virtual hardware, while the customer manages the OS and applications.

PaaS (Platform as a Service)

Cloud model allowing customers to develop applications without managing the underlying infrastructure.

SaaS (Software as a Service)

Complete software solutions provided over the internet, with maintenance done by the provider.

Scalability

The ability of a system to increase or decrease resources as needed.

High Availability (HA)

Systems designed to be available during planned and unplanned outages.

Disaster Recovery (DR)

Processes that ensure recovery and continuity of operations after a disaster.