DNS
NSFNet, the first Internet backbone
Internet backbones today
Computer components IT skills: none IT concepts: computer components (input devices, output devices, memory, storage and CPU), information flow between.
The internet layer Skills: None IT concepts: layered protocols, the internet layer, IP protocol, router, dumb (“end-to- end,” “neutral”) networks This.
Satellite connectivity
Characteristics of communication links
Home connectivity Skills: none IT concepts: local area network (LAN), LAN connectivity options, home-to-Internet connectivity options, wired and wireless.
A data center
The data link layer
The physical layer
Internet writing is different and important
