NETWORK BASIC	NETWORK ARCHITECTURES	NETWORK TOPOLOGY
DEFINITION OF NETWORK/ COMPUTER NETWORK:  A network is a collection of computers and mobile devices connected together via communications devices and transmission media, often wirelessly allowing computers to share resources (hardware, software, data & information) COMMUNICATION DEVICES: Hardware component that enables a computer to send (transmit) and receive data, instructions, and information to and from one or more computers EXAMPLES: - Hub -Switch -Wireless Access Point - Router -Hub -Network Interface Cards (NIC) TRANSMISSION MEDIA: Physical - Send signals through cable, wire or tangible materials (Eg: twisted-pair cable, coaxial cable, fiber optic) Wireless - Send signals through the air and space ♦INDEX♦