Title:

The Last Analog Hour

Data Communication & Transmission

: Detailed coverage of signal conversion, data transmission issues, and various transmission modes.

Part 4: Where to Find the "Computer Network PDF by J.S. Katre" Legally

Higher Layer Protocols

: Introduction to routing algorithms, IP addressing, and application layer services like HTTP, DNS, and SMTP. Where to Find the PDF

Packet Switching:

Dividing data into smaller "packets" that include source/destination IP addresses and payloads.

The lights in the lab flickered. The financial terminals in Mumbai stuttered.

• Circuit vs Packet vs Message switching – The transmission path decision.
• Random access protocols: ALOHA, CSMA/CD (Ethernet), CSMA/CA (Wi-Fi).
• New topic: OFDMA (Orthogonal Frequency Division Multiple Access) in Wi-Fi 6.