Networks

Networks

1. LAN

   • Local area Network
   • Only Accessible

2. WAN

   • Wide area Network

3. advantages of networks

   • Files are easier to acsess
   • shared Reasorses
   • Printers can be connected to all devises

4. Topologies

   • Ring
   • Bus
   • Star

5. protocols

   • HTTP
     • It is used for requesting an HTML file from a web server
   • HTTPS
     • It is a secure version of HTTP
   • POP3
     • Is a protocol for downloading emails from a mail server
   • FTP
     • Is a protocol for transferring files between two computers
   • IMAP
     • Replaced POP3 when web-based email took off

6. disadvantages of networks

   • Share malware
   • Share viruses