CCNA1 TEL II CHAPTER 5:Ethernet

CCNA1 TEL II CHAPTER 5:Ethernet

1. First Ethernet networks

   • CSMA / CD ,Thicknet ,Thinnet, 10 Bases and 10Base2

2. Ethernet MAC address

   • ipconfig
     • Hexagonal de 48 bits
       • 6 host

3. Ethernet Header

   • Preamble
     • Length / Type
       • MAC Origin
         • MAC Destination
           • Data Field

4. Ethernet uses

   • Network layer
     • Link layer
       • Unicast
         • Broadcast
           • Multicast

5. Old Networks

   • Hub to Switch
     • 10 base T
       • Latency
         • 10 Base -2
           • Collision Domain

6. ARP protocol

   • • ARP Proxy - Broadcast
       • Elimination of mappings

7. CSMA /CD

   • Carrier detection
     • Multiple access
       • Collision detection
         • congestion signal random delay

8. Ethernet field Important

   • Bit time
     • The time interval
       • The space between frames
         • Congestion signal

9. Technology

   • fast ethernet
     • Gigabit Ethernet
       • 10 Gibabit Ethernet

10. The current networks

    • Switch, Router
      • UTP of Fiber
        • CSMA / CA

11. Type of Ethernet

    • 10 Base 10 Base 2 10 Base-T 100 Base-Tx 100 Base -Fx

12. Success of Ethernet

    • Simplicity
      • Expansion
        • Reliability
          • Low installation cost
            • Upgrade

13. Ethernet / Functions

    • Access control
      • Physical and Logical Environment
        • Current Speed