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Backend flows explained deeply
·
Module 1
Networking Fundamentals: How Data Travels
1
TCP/IP Model: Layers and Data Transmission
Describe the TCP/IP model layers and the role each layer plays in transmitting data.
2
From URL to IP: Demystifying DNS Resolution
Explain how DNS resolution works, from typing a URL to resolving an IP address.
3
IP Addresses, Ports, and Sockets Explained
Explain what IP addresses, ports, and sockets are and how they work together to identify a connection.
4
TCP 3-Way Handshake: Establishing Reliable Connections
Describe the TCP three-way handshake and how a reliable connection is established.
5
TCP vs. UDP: Choosing the Right Protocol
Compare TCP and UDP, explaining when each is appropriate.
6
Network Packet Tracing with Ping and Traceroute
Use tools like `ping` and `traceroute` to trace the path of a packet across a network.
7
Network Packet Capture with Wireshark/tcpdump
Capture and inspect network packets using a tool like Wireshark or tcpdump.
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The HTTP Protocol Inside Out