Free CCNA | Ethernet LAN Switching (Part 1) | Day 5 | CCNA 200-301 Complete Course

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In this video, day 5 of my free CCAN complete course, you will learn about Ethernet LAN switching, focusing on Layer 2 of the OSI model.

In this FREE and COMPLETE CCNA 200-301 course you will find lecture videos covering all topics in Cisco official exam topics list, end-of-video quizzes to test your knowledge, flashcards to review, and practice labs to get hands-on experience.

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0:00 Introduction
0:59 OSI Model - Physical Layer review
1:54 OSI Model - Data Link Layer review
3:04 Local Area Networks (LANs)
4:46 OSI Model PDUs review
5:48 Ethernet Frame
7:23 Ethernet Frame - Preamble & SFD
8:36 Ethernet Frame - Destination & Source
9:31 Ethernet Frame - Type/Length
11:47 Ethernet Frame - FCS
13:52 MAC Addresses
15:24 Decimal number system
17:26 Hexadecimal number system
19:44 MAC Addresses continued
21:00 Unicast frames
21:40 MAC Address Table / Dynamic MAC Addresses
22:58 Unknown Unicast / Flooding
25:22 Known Unicast / Forwarding
26:22 MAC Learning & Frame Flooding/Forwarding review
31:36 Quiz 1
32:51 Quiz 2
33:42 Quiz 3
34:43 Quiz 4
36:15 Quiz 5

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