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Computer Network Felicia/10.1 - Coggle Diagram
Computer Network
Felicia/10.1
1. Why do we use computer networks
To share files and information
To share hardware (printers, scanners)
To communicate (email, messaging)
To access the internet
To store data in a central place (servers)
*2.Types of computer networks
LAN (Local Area Network)
WAN (Wide Area Network)
MAN (Metropolitan Area Network)
PAN (Personal Area Network)
3. Network Devices
Router – connects networks and gives internet access
Switch – connects devices inside a LAN
Modem – converts signals for internet connection
Access Point (AP) – provides Wi-Fi
Server – stores and manages data or services
4. Types of Network Connections
Wired
Wireless
5. Network Topologies
Bus – all devices connected to one main cable
Star – all devices connected to a central switch/router
Ring – each device connected in a circle
Mesh – devices connected to many others (redundant, reliable)
Network Protocols
TCP/IP – main internet protocol
HTTP/HTTPS – for web browsing
FTP – for file transfer
SMTP – for email