Important Protocols in Computer Networks | DHCP, FTP, ICMP, ARP, RIP | CN Part 9 скачать в хорошем качестве

Important Protocols in Computer Networks | DHCP, FTP, ICMP, ARP, RIP | CN Part 9

This is Part 9 of the Computer Networks series for placement preparation, interviews, and exams. In this video, we explain Important Protocols in Computer Networks along with their purpose, layer, and port numbers in a simple and easy-to-understand way. Topics covered in this video: ✅ What is a Protocol? Definition of Protocol Elements of Protocol: • Syntax • Semantics • Timing ✅ DHCP (Dynamic Host Configuration Protocol) Auto-assigns IP address, subnet mask, DNS Application layer protocol Default port: 67 ✅ FTP (File Transfer Protocol) Used to transfer files between hosts Application layer protocol ✅ ICMP (Internet Control Message Protocol) Used for error handling and diagnostics Network layer protocol ✅ ARP (Address Resolution Protocol) Converts IP address to MAC address Used in local networks ✅ RIP (Routing Information Protocol) Dynamic routing protocol Uses hop count to find best path Used in small and medium networks ✅ MAC Address vs IP Address (IMP) Physical address vs Logical address Manufacturer vs ISP provided ✅ Ipconfig vs Ifconfig Ipconfig (Windows) Ifconfig (Linux, MAC, UNIX) ✅ Firewall Network security system Monitors incoming and outgoing traffic Hardware / Software / Hybrid firewall 🎯 Best for: • Placement preparation • Interview questions • Semester exams • Quick revision 📌 Watch till the end for interview-ready explanations. 🔔 Subscribe for more videos on: Computer Networks | OS | DBMS | Placement Preparation 👍 Like | 💬 Comment | 🔔 Subscribe