Describe The Effects of Cloud Resources on Enterprise Network Architecture

CCNA Routing and Switching exam has this topic in the blueprint, which I will try to cover in this blog post:

1.4 Describe the effects of cloud resources on enterprise network architecture

•    1.4.a Traffic path to internal and external cloud services

•    1.4.b Virtual services

•    1.4.c Basic virtual network infrastructure

What is a cloud service or resource?

There are many definitions of the term. Many of them refer to public clouds reachable over the Internet. For example, AWS, Microsoft Azure, or Google Cloud Platform. It is often opposed to on-premises private infrastructure. However, cloud service can be private if it has characteristics of public clouds, such as self-service and automation of infrastructure provisioning.

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