Unit 2: Data Link Layer and Ethernet
Data Link Layer
An introduction to the Data Link Layer, which ensures reliable communication between directly connected devices by managing framing, error detection, and flow control.
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Quiz: Data Link Layers
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Ethernet/VLAN
Explore Ethernet as the primary LAN technology and understand VLANs, which enable logical network segmentation for improved performance and security.
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Quiz: Ethernet & VLANs
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Spanning Tree
Learn about the Spanning Tree Protocol (STP), which prevents network loops in Ethernet networks by creating a loop-free logical topology.
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Quiz: Spanning Trees
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