Week 2 - Intro to Infrastructure Services

Question 1

What is infrastructure as a service (IaaS)?

Answer 1

you are provided a pre-configured virtual machine that you can use in place of a physical server

(the cloud alternative to maintaining your own infrastructure)

Question 2

What is NaaS?

Answer 2

Allows companies to offshore their networking services (like set up) to avoid dealing with expensive networking hardware

Question 3

What is SaaS?

Answer 3

Instead of installing software on every machine, you can use a cloud service alternative like Microsoft Office 365 that can be accessed from a word browser

(the cloud alternative to maintaining your own software [licenses, security, updates])

Question 4

What is PaaS?

Answer 4

An entire platform that allows you to build code, store info in a database, and serve the application from a single platform

(alternative to setting up a database and web server yourself, and installing specific applications on every machine that needs it)

Question 5

What is a directory service?

Answer 5

your organization’s users and computers are centralized in one location so you can add, update and remove users and computers

Question 6

What are the 5 most common IT infrastructure services?

Answer 6

1. Infrastructure (IaaS)
2. Network (NaaS)
3. Software (SaaS)
4. Platform (PaaS)
5. Directory (DaaS)