Cloud Fundamentals Flashcards

Which cloud service model provides virtualized computing resources like VMs, storage, and networking over the internet?

Answer: IaaS

IaaS (Infrastructure as a Service) provides virtualized hardware resources including compute, storage, and networking, giving users control over the OS and applications.

What is Microsoft Azure's primary cloud platform offering?

Answer: A public cloud platform providing compute, storage, and services globally

Microsoft Azure is a comprehensive public cloud platform offering over 200 products and services including VMs, databases, AI, and networking across global datacenters.

Which cloud deployment model uses infrastructure exclusively maintained for a single organization?

Answer: Private cloud

A private cloud is cloud infrastructure operated exclusively for one organization, either on-premises or hosted by a third party, offering greater control and security.

What does the term 'elasticity' mean in cloud computing?

Answer: The ability to automatically scale resources up or down based on demand

Elasticity refers to the ability of a cloud system to automatically provision and release resources to match workload demand, scaling out during peaks and in during lulls.

Which cloud service model handles the underlying infrastructure and runtime, letting developers focus on deploying code and data?

Answer: PaaS

PaaS (Platform as a Service) abstracts the infrastructure layer, providing a managed runtime environment where developers deploy applications without managing servers.

What is a major advantage of using the public cloud over traditional on-premises infrastructure?

Answer: Reduced capital expenditure by using a pay-as-you-go model

Public cloud shifts spending from CapEx (purchasing hardware) to OpEx (paying for usage), allowing organizations to scale without large upfront investments.