Computer Network

Transmission Medium

Wired Media

Twisted Pair Cable

UTP Cable

STP Cable

Co-axial Cable (coax)

Optical Fiber Cable

OFC Core

OFC Cladding

OFC Buffer Coating

Wireless Media

Frequencies used for Wireless Communication

Radio Waves

Micro Waves

Infrared Waves

Bluetooth

Satellite Link

Communications Satellite

NIC

Hub

Switch

Repeater

Gateway

Node

Topology

Bus Topology

Star Topology

Tree topology

Network Protocol