Network Devices

Media: Allows to connect to devices or a device to a switch port (Cable, Radio, etc.)
WAN Link: Physically connects two geographically dispersed networks (Connect LANs together to form a WAN)

Network Devices

• Layer 1
  • Hub
  • WAP (Wireless Access Point)
  • Repeater
  • Modem
• Layer 2
  • Bridge
  • Switch
  • NIC (Network Interface Card)
• Layer 3
  • Router
  • Layer 3 Switch
• Layer 4
  • Firewall
  • Load Balancer
• Layer 7
  • Dynamic Host Configuration Protocol (DHCP)
  • Domain Name System (DNS)
• Proxy Server
• Virtual Private Network (VPN)