https://learn.nsrc.org/bgp/ddos_mitigation

A short history of the internet https://www.ipxo.com/blog/how-big-is-the-internet/

EDUCATE YOURSELF

Security

Internet Resources Allocation | LSP | ISP | IIG | NIR | APNIC | IANA

Domain Name System

Open Source Web Servers & Mysql for Linux

Open Source Mail Servers for Linux

IPV4 IPV6 Addressing

Professional Networking L3 Routing

Professional L2 switching Network

Wireless Networking

FTTX EPON GPON Passive Optical Networks & DWDM Optical Networks

Open Source NMS on Linux

Network and system security

Linux KVM virtualization &

Linux shell scripting

Linux system monitoring Terminal

Microsoft and Linux basic

IP Telephony System | SIP | PBX | IPTSP | PSTN | ICX | IGW | ITC