

Computer Networks (Subject Code: BE04000271) — Complete notes, previous year question papers (PYQs), and important study materials for GTU Information Technology Semester 4.
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This core subject, Computer Networks (BE04000271), equips IT engineering students with a fundamental understanding of network principles and technologies essential for modern communication systems. Covering the foundational OSI and TCP/IP models, students will delve into various network layers, including the Physical, Data Link, Network, Transport, and Application layers. The curriculum emphasizes key concepts such as data transmission, error control, media access control, IP addressing, routing protocols, and reliable data transfer using TCP/UDP. Furthermore, students will explore popular application-layer protocols like HTTP, DNS, and FTP, gaining practical insights into how the internet functions. This subject is crucial for aspiring network engineers, system administrators, and software developers, providing a robust framework for designing, implementing, and securing efficient and scalable network infrastructures.