Week 6 Cloud

Question 1

Cloud computing

Answer 1

A technological approach where computing resources are provisioned in a shareable way so that lots of users get what they need, when they need it

Question 2

Virtualization

Answer 2

A single physical machine called a host could run many individual virtual instances called guests

Question 3

Hypervisor

Answer 3

A piece of software that runs and manages virtual machines while also offering these guests a virtual operating platform that’s indistinguishable from actual hardware

Question 4

Public cloud

Answer 4

A large cluster of machines run by another company

Question 5

Private cloud

Answer 5

Used by a single large corporation and generally physically hosted on its own premises

Question 6

Hybrid cloud

Answer 6

A term used to describe situations where companies might run things like their most sensitive proprietary technologies on a private cloud while entrusting their less sensitive servers to a public cloud

Question 7

Infrastructure as a service (IaaS)

Answer 7

You shouldn’t have to worry about building your own network or your own servers, someone else will do it

Question 8

Platform as a Service (PaaS)

Answer 8

A subset of cloud computing where a platform is provided for customers to run their services

Question 9

Software as a Service (SaaS)

Answer 9

A way of licensing the use of software to others while keeping that software centrally hosted and managed

Question 10

What are some other cloud services?

Answer 10

Blockchain as a service (BaaS)
VPN as a service (VPNaaS)
Data as a service (DaaS)

Question 11

Which cloud service provides access to virtual machines, containers, networks, and storage?

Answer 11

IaaS