You are a cloud solutions architect tasked with designing a cloud$-$based

solution for a startup company that specializes in online collaboration tools. The company

requires a scalable and cost$-$effective platform for developing, deploying, and managing its

applications.

$$ Discuss how you would leverage different cloud service models, including Platform as a

Service $($PaaS$),$ Software as a Service $($SaaS$),$ and Managed Services, to meet the

company's requirements.

$$ Provide examples of PaaS offerings from cloud providers such as AWS OR Azure OR

GCP and explain how they enable developers to focus on building applications without

worrying about infrastructure management.

$$ Discuss the benefits and limitations of the SaaS model for delivering collaboration tools

and applications to end$-$users.

$$ Evaluate the managed services offered by AWS OR Azure OR GCP for handling

common infrastructure tasks such as database management, messaging, and analytics.

$$ Finally, recommend a cloud architecture that combines PaaS, SaaS, and managed

services to deliver a scalable, secure$,$ and cost$-$effective solution for the company's

online collaboration platform