22. Introduction to Data Link Layer | Functions of DLL | Computer Networks for GATE & UGC NET
Автор: CSE Gawd
Загружено: 2026-03-05
Просмотров: 4
Описание:
Master the Data Link Layer (DLL) in this comprehensive guide! We explore Layer 2 of the OSI Model, focusing on its critical role in node-to-node (Hop-to-Hop) delivery. This video is designed for CS/IT students and aspirants of competitive exams like GATE and UGC NET.
What we cover in this video:
Framing: How bits are grouped into manageable frames.
Flow Control: Preventing the sender from overwhelming the receiver.
Error Control: Detection and correction mechanisms (CRC, Checksum).
Access Control: How multiple devices share a single link (MAC).
Physical Addressing: Understanding MAC Addresses vs. IP Addresses.
Hop-to-Hop Delivery: Why Layer 2 is different from Layer 3.
Timestamps:
0:00 - Introduction to Layer 2
8:55 - Hop to Hop Communication
10:34 - Flow Control
14:07 - Error Control
17:48 - Access Control
19:29 - MAC Addressing
21:27 - Framing
24:16 Summary
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