Network fundamentals. Please assist!

1) What is the difference between message and circuit switching?

2) What is packet switching and what are the types.

3) Create two windows and one Linux virtual machines using Virtualbox and Configure the machines as follows:

the first machines static IP address 192.168.10.1/24

the second machines static IP address 192.168.10.20/24

The third machine s static IP address 192.168.10.22/24

Ping machines to make sure they are connected