Networking Fundamentals

NETWORKING FUNDAMENTALS YOU SHOULD KNOW

As a well-seasoned IT professional, I believe it is essential to have a strong technical foundation and be well-versed around enterprise networking, and network security.

If you are looking to start in IT or you are already working in this field, make sure you know and feel comfortable with the following concepts:

Networking Topics

  • IP Addressing:
    • IPV4 vs IPV6.
    • Public vs Private IP Addresses.
    • CIDR.
    • IP Subnetting. 
  • Traffic Types:
    • Unicast.
    • Broadcast.
    • Multicast.
    • Anycast.
  • OSI & TCP/IP models
  • DNS
  • VPN- IPSEC
  • SSL & TLS
  • Stateful vs Stateless
  • NAT / PAT
  • VPNs (IPSEC & MACSEC)
  • 802.1Q Vlans
  • Link Aggregation
  • Spanning Tree, RSTP, PVST, PVST+, MSTP
  • VRRP vs HSRP
  • Virtualization:
    • VRF
    • VTP
  • Network Topology and Architecture for Campus & Datacenter
  • SDN-WAN
  • SASE
  • VXLAN