Network Security

Network Security

1. Firewall

   • The firewall is a utility software that controls which programs have permission to send or receive data packets.

2. Encryption

3. Passwords

   • Passwords are self-set strings that have to be inputted before the user gains access to what is on the system

4. Physical security

5. User access levels

6. Node

   • A node is a device that connects to a network.

7. LAN - Local Area Network

   • A network that covers a small geographical location.

8. WAN - Wide Area Network

   • A network that covers a large geographical area.

9. Data packets

   • A data packet is a unit of data that is transferred through firewalls.

10. Cookies

    • Cookies hold pieces of data.