Data Link Layer

Content

• Encapsulation
• Ethernet 802.3

• Types of layer 2 protocols:

  • PPP
  • DSL
  • Satallite

• CSMA/CD

• Duplex:

  • Half duplex
  • Full duplex

• Ethernet 2 fram
• Hub vs Switch

• Network topologies:

  • Bus topology
  • Star topology

• The MAC table
• Broadcast domain
• Spanning tree protocol
• Bonding ports (Teaming)
• Flooding attack

• Prot security:

  • static
  • dynamic

• Vlan hopping