Networking

Networking

1. Topology Types

   • Star
     • All the clients are connected to a hub or switch
   • Ring
     • A series of computers connected to each other only in a ring
   • Mesh
     • All the clients are connected to each other directly
     • Path-finding
   • Bus
     • All clients are connected to a single wire

2. LAN

   • Local Area Network
     • All the clients on the private side of a firewall

3. WAN

   • Wide Area Network
     • A series of LANs connected e.g the internet

4. Protocols

   • Examples
     • SMTP
       • SMTP (Simple Mail Transfer Protocol) is the protocol for uploading email to a mail server. Emails are sent with SMTP and received with POP3
     • IMAP
     • POP3
     • FTP
     • HTTP/HTTPS
       • HTTP (Hyper Text Transfer Protocol) is the standard protocol used for requesting an HTML file from a webserver