Preparation for Cloud Computing Course
1.
Two modes of reinstalling USB (U disk boot disk) of win10 professional working version (the reinstalling method is to boot into Bios and then set U disk as the first boot item)
1) Refus
inserts a large-capacity U disk into the computer , Open rufus, select the win10 system image file you prepared, click start, and burn the system image file to your U disk.
2) Lao Maotao
Insert a large-capacity U disk into the computer, open Lao Maotao, and make it as a system disk by default, and then copy the pre-installed win10 system to the system USB disk
(remember that the format of the USB disk is FAT32 and cannot be set and needs to be formatted as NTFS. Normal installation In all cases, it is the default)
Two , you need to install before installing eNSP advance 
to close all firewall before installing it may cause eNSP not work properly, and 
then after the installation is complete, open eNSP eNSP
drag routers and switches link to see if the connection is successful 
three , refueling practice typing Quick, Accurate !
Finally I searched the difference between refus and laomaotao