Unit 5

Unit 5

1. Network

   • Client Server
     • Everyone is connected to one machine, easier to back up and share resources.
   • Peer to Peer
     • All computers connected to eachother and you can share information, can have a speed effect when using somebody elses files.
   • Computers connected to share resources and communicate
     • WAN - Wide area network. LAN - Local area network
   • Network Devices
     • Device,Switch,Router,Ethernet Cable,NIC,WAP,Celluar device,4G & 3G Tower

2. Protocols

   • HTTP - , HTTPs, POP3 - Emails, SMTP - , IMAP.
   • FTP - File transfer, PCP/IP - Break up data into packets, ETHERNET - Set of rules how data is formatted, WI-FI
   • TCP/IP Stacks, breaks down data into pieces and reassemble at the receivers of the computer

3. Connection Media Types

   • NIC (Network interface Card), Wired, Wireless

4. Topology

5. Network Security

   • Cyber attacks
     • Social Engineering
       • Phishing, Shoulder surfing, Unpatched Software, USB Software, Eavesdropping, The cloud.

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