CCENT Cisco Certified Entry Networking Technician ICND1 Study Guide (Exam 100-101) with Boson NetSim Limited Edition, 2nd Edition

4

Switching: Moving Data Inside Your LAN

 

CERTIFICATION OBJECTIVES

 

  4.01   Ethernet Fundamentals

  4.02   Switching Fundamentals

        Two-Minute Drill

 Q&A   Self Test

As we prepare to look at LAN switching, we need to look at Ethernet, which is the set of protocols that wired LANs use to communicate and transport data. Ethernet is a common LAN protocol that functions at the OSI Data Link layer (Layer 2) or the TCP/IP Network Access layer. Figure 4-1 shows the model layers as well as the devices and protocols that operate at each layer. ...