Connection between two or more things is known as networking
Connection between two or more computers is computer networking
Computer networks also involves other electronic and digital devices
Networking Benefits Networking Enables: Information Sharing Hardware and Software Sharing Centralized Administration and Support
Roles of Computers in a Network Mail Server Database Server Database Fax Server File and Print Server Directory Services Server Client Computer Mail Server Database Server Database Fax Server File and Print Server
Types of Networks Peer-to-Peer Client-Server
Scope of Networks Local Area Network Wide Area Network
Local Area Networks
Metropolitan Area Networks
A metropolitan area network based on cable TV.
Wide Area Networks
Relation between hosts on LANs and the subnet.
Wide Area Networks (2)
A stream of packets from sender to receiver.
Categories of wireless networks:
Wireless Networks (2)
(b) Wireless LAN
Bus Topology Terminator Segment Terminator
Star Topology Hub
Hybrid Topologies Star-Bus Bus Star-Ring
Devices for networking
Ethernet Collision Detection Carrier Sense Multiple Access Detects signal Transmits signal Collision detected Characteristics Description Access Method CSMA/CD Transfer Speed Standard Ethernet – 10 Mbps Fast Ethernet – 100 Mbps Gigabit Ethernet – 1 Gbps (1000 Mbps)