Ethernet. Network Fundamentals Chapter Cisco Systems, Inc. All rights reserved. Cisco Public 1
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1 Ethernet Network Fundamentals Chapter 9 1
2 Objectives Identify the basic characteristics of network media used in Ethernet. Describe the physical and data link features of Ethernet. Describe the function and characteristics of the media access control method used by Ethernet protocol. Explain the importance of Layer 2 addressing used for data transmission and determine how the different types of addressing impacts network operation and performance. Compare and contrast the application and benefits of using Ethernet switches in a LAN as apposed to using hubs. Explain the ARP process. 2
3 Characteristics of Network Media used in Ethernet Identify several characteristics of Ethernet in its early years. 3
4 Characteristics of Network Media used in Ethernet Describe the emergence of the LAN switch as a key innovation for managing collisions on Ethernet-based networks 4
5 Characteristics of Network Media used in Ethernet Identify the characteristics of state-of-the-art Ethernet and describe its utilization of cabling and point-to-point topography 5
6 Physical and Data Link Features of Ethernet Standards and Implementation 6
7 Physical and Data Link Features of Ethernet Describe how the Ethernet operates across two layers of the OSI model 7
8 Physical and Data Link Features of Ethernet Logic Link Control Connecting the Upper Layers 8
9 Physical and Data Link Features of Ethernet Media Access Control (MAC) 9
10 Physical and Data Link Features of Ethernet Physical Implementations of the Ethernet 10
11 Function and Characteristics of the Media Access Control Method MAC in Ethernet 11
12 Function and Characteristics of the Media Access Control Method Carrier Sense Multiple Access with Collision Detection 12
13 Function and Characteristics of the Media Access Control Method Ethernet Timing 13
14 Layer 2 addressing and its Impact on Network Operation and Performance The Frame Encapsulating the Packet 14
15 Layer 2 addressing and its Impact on Network Operation and Performance The Ethernet MAC Address 15
16 Layer 2 addressing and its Impact on Network Operation and Performance Hexadecimal Numbering and Addressing 16
17 Layer 2 addressing and its Impact on Network Operation and Performance Another Layer of Addressing 17
18 Layer 2 addressing and its Impact on Network Operation and Performance Ethernet Unicast, Multicast and Broadcast 18
19 Compare and Contrast the Use of Ethernet Switches versus Hubs in a LAN. Legacy Ethernet Using Hubs 19
20 Compare and Contrast the Use of Ethernet Switches versus Hubs in a LAN. Ethernet Using Switches 20
21 Compare and Contrast the Use of Ethernet Switches versus Hubs in a LAN. Describe how a switch can eliminate collisions, backoffs and re- transmissions, the leading factors in reduced throughput on a hub-based Ethernet network 21
22 Explain the Address Resolution Protocol (ARP) process. Mapping IP to MAC Addresses 22
23 Explain the Address Resolution Protocol (ARP) process. ARP Destinations Outside the Local Network 23
24 Explain the Address Resolution Protocol (ARP) process. ARP Removing Address Mappings 24
25 Explain the Address Resolution Protocol (ARP) process. ARP Broadcasts - Issues 25
26 Summary 26
27 27
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