MCS-218 Unit-1 Introduction to Internet | MCS-218 Data Communication and Computer Networks

Опубликовано: 15 Август 2025
на канале: Durga Analytics

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Unit-1 Introduction to Internet | MCS-218 Data Communication and Computer Networks

Master the concepts of Data Communication and Computer Networks with this comprehensive video designed for MCA IGNOU students and UGC NET Computer Science aspirants.
This video covers essential topics from the MCS-218 syllabus, including network models, protocols, transmission media, switching techniques, and security concepts. Ideal for exam preparation, concept clarity, and practical understanding.

Whether you are pursuing MCA, preparing for competitive exams, or building a strong foundation in networking, this video will help you understand how data moves across networks, how devices communicate, and the role of protocols and architectures.

Chapters
00:00 Introduction: the ‘magic’ of the Internet
00:39 What is the Internet? A ‘network of networks’
01:43 Web: HTTP/HTTPS basics
01:57 Network layer: IP, addressing & routing
02:01 Protocols: the rules of communication
02:11 What is a network?
03:25 Why networking matters (impact & examples)
05:09 History: ARPANET & early internet
06:21 End systems / hosts
07:31 ISPs: who runs the Internet?
08:31 ISP tiers, backbone & PoPs
08:49 Access technologies: dial-up, ISDN, DSL, cable, fiber, wireless
09:36 Architectures: client–server vs peer-to-peer
12:13 Internet services: email, IM, VoIP, FTP, WWW, APIs
12:20 Security basics: encryption, firewall
15:16 Network sizes: PAN, LAN, MAN, WAN
19:18 Network topologies: bus, star, ring, mesh
21:17 Transmission: broadcast vs point-to-point
26:18 Models: TCP/IP vs OSI
26:23 Transport: TCP vs UDP
34:42 Switching & routing concepts
38:21 Public vs private networks & NAT
1:13:13 Name resolution: DNS

🎯 Best For:
MCA IGNOU Students
UGC NET Computer Science
Competitive Exam Preparation
Networking Enthusiasts

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