Microsoft 365 Fundamentals Cloud Computing Concepts Flashcards

A company wants to avoid large upfront capital expenditures for IT infrastructure. Which cloud computing benefit directly addresses this concern?

Answer: Shifting from CapEx to OpEx

Cloud computing shifts spending from capital expenditure (CapEx) to operational expenditure (OpEx), eliminating large upfront hardware costs.

Which cloud service model gives the customer the most control over the operating system and middleware?

Answer: IaaS

IaaS provides virtualized compute, storage, and networking, giving customers full control over the OS and software stack.

What does 'elasticity' mean in the context of cloud computing?

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

Elasticity refers to the cloud's ability to dynamically allocate and deallocate resources in response to changing workload demands.

An organization hosts some workloads on-premises and some on Azure. What type of cloud environment is this?

Answer: Hybrid cloud

A hybrid cloud combines on-premises (private) infrastructure with a public cloud, allowing workloads to move between the two.

Which of the following is an example of a SaaS application included in Microsoft 365?

Answer: Microsoft Teams

Microsoft Teams is a SaaS application fully managed by Microsoft and delivered over the internet as part of Microsoft 365.

What term describes a cloud provider's commitment to a minimum level of service uptime, typically expressed as a percentage?

Answer: Service Level Agreement (SLA)

An SLA is a formal commitment from a cloud provider that defines the guaranteed uptime percentage and remedies if the target is missed.

A startup needs web hosting but wants to focus only on deploying code without managing servers. Which cloud model best fits?

Answer: PaaS

PaaS abstracts away server and OS management, letting developers focus solely on writing and deploying application code.