1. Introduction to Networks Ethernet 2018-06-07 1

2. CNET 124 – Introduction to Networks/Week 3 Week 5 – Objectives Chapter 5-Ethernet Ethernet Protocol Address Resolution Protocol LAN Switches 2018-06-07 2

3. CNET 124 – Introduction to Networks/Week 3 Topologies: LAN Topologies 2018-06-07 3

4. CNET 124 – Introduction to Networks/Week 3 WAN Topology Point-to-point topology Hub and spoke topology Full mesh topology 2018-06-07 4

5. CNET 124 – Introduction to Networks/Week 3 Data-Link Frame: 3 basic parts: Header-contains start-frame-field, source & destination address field and type field Data- Trailer-used to find that the frame is without error. Frame Check Sequence (FCS) used for error detection Cyclic Redundancy Check (CRC) number is put under FCS. 2018-06-07 5

6. CNET 124 – Introduction to Networks/Week 3 Ethernet Frame Fields Minimum size 64 bytes to maximum 1518 bytes (preamble 2018-06-07 6

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