Official Google Digital Leader Study Guide (A+ Guaranteed)

What is Cloud Computing correct answers The practice of using a network of remote services hosted on the internet to store, manage and process data rather than a local server or PC (personal computer). On-premesis Cloud correct answers - You purchase and house your own servers - You have to hire people to manage the servers You own the risk Public Cloud correct answers - You rent servers - You rent experts/people - You are only responsible for the configuration and code - Shared responsibility model Dedicated Server correct answers One physical machine for a single business and a single app on site. Virtual Private Server correct answers One physical machine dedicated to a single business, but runs multiple applications on a site on virtualized sub-machines. Shared Hosting correct answers One physical machine shared by hundreds of businesses, relies on most tenants under utilizing their resources. Cloud Hosting correct answers Multiple physical machines that act as one with multiple cloud services. Dedicated Server Pros and Cons correct answers Pros: - A physical server wholly utilized by a single customer Cons: - Customers overpay for an underutilized server - You can't vertical scale, you need manual migration - Replacing a server is difficult - You are limited by your host operating system (OS) - Multiple apps can result in conflicts in resource sharing - You have a 'guarantee' of security, privacy and full utility of underlying resources (guarantee is only based on the skills of your IT team) Virtual Machine Pros and Cons correct answers Pros: - Can run multiple VMs (virtual machines) on one machine - Hypervisor is the software layer that lets you run the VM - A physical server shared by multiple customers - Pay for a fraction of the server Cons: