CS602 Computer Networks Unit 1 study material and PYQ analysis for RGPV CSE 6th Semester. This page covers network basics, OSI model, TCP/IP model, connection services, transmission media and most expected questions.
Unit 1 builds the foundation of Computer Networks. After studying this unit, students can understand how computers communicate, how protocols work, and how OSI and TCP/IP models divide networking tasks into layers.
Definition, goals, components, classification and applications of computer networks.
Protocol hierarchy, services, interfaces and design issues of layers.
Transmission media, bandwidth, data rate and modulation fundamentals.
Complete syllabus-based topics of CS602 Computer Networks Unit 1.
Definition, goals, components, architecture, classification and types of networks.
Protocol hierarchy, design issues, interfaces and services between layers.
Connection oriented and connectionless services with examples.
Principle, model, layer description and working of seven layers.
Architecture, layers, protocols and comparison with OSI model.
Transmission media, bandwidth, data rate and modulation concepts.
These questions are useful for 7 marks and 14 marks answers in RGPV exams.
RGPV B.Tech VI Semester Computer Networks previous year question analysis for Unit 1.
| Year | Question | Topic | Importance |
|---|---|---|---|
| June 2025 | Discuss the operating principles of OSI reference model with diagram showing headers and trailers added as the block of user data moves. | OSI Model | ★★★★★ |
| June 2025 | Compare connection oriented and connectionless service. | Connection Services | ★★★★★ |
| Dec 2024 | Give the comparative analysis of OSI and TCP/IP Model. | OSI vs TCP/IP | ★★★★★ |
| Dec 2024 | Give the difference between connection oriented and connectionless services. | Connection Services | ★★★★★ |
| May 2024 | Give explanation of different type of topologies in terms of its advantages and disadvantages. | Network Topologies | ★★★★ |
| May 2024 | Draw and name all seven layers of ISO-OSI reference model. Explain function of each layer and name two protocols of each layer. | OSI Model | ★★★★★ |
| May 2023 | What is Computer Network? Discuss the importance of Computer Network. Give its merits and demerits. | Computer Network Basics | ★★★★ |
| May 2023 | Explain the working principle of ISO-OSI reference model with functionality of each layer. | OSI Model | ★★★★★ |
| May 2023 | Discuss about guided and unguided transmission media with suitable sketch. | Transmission Media | ★★★★ |
| May 2022 | Explain the OSI model stating its importance in network architecture. | OSI Model | ★★★★★ |
| May 2022 | What is the principal difference between connectionless and connection oriented communication? | Connection Services | ★★★★★ |
| Dec 2020 | What are the two fundamental ways by which network performance is measured? | Network Performance | ★★★ |
| Topic | Asked Times | Years | Priority |
|---|---|---|---|
| OSI Reference Model | 5 Times | 2022, 2023, 2024, 2025 | ★★★★★ Extremely Important |
| Connection Oriented vs Connectionless Service | 4 Times | 2022, 2024, 2025 | ★★★★★ Extremely Important |
| OSI vs TCP/IP Model | 1 Time | 2024 | ★★★★ Very Important |
| Network Topologies | 1 Time | 2024 | ★★★★ Very Important |
| Computer Network Basics | 1 Time | 2023 | ★★★★ Very Important |
| Transmission Media | 1 Time | 2023 | ★★★ Important |
| Bandwidth / Data Rate / Performance | 1 Time | 2020 | ★★★ Important |
| Topic | Chance of Appearing |
|---|---|
| OSI Reference Model | 95% |
| Connection Oriented vs Connectionless Service | 90% |
| OSI vs TCP/IP Model | 85% |
| Network Topologies | 75% |
| Computer Network Basics | 70% |
| Transmission Media | 65% |
| Bandwidth and Data Rate | 60% |
Agar time bahut kam hai, to sirf OSI Model, TCP/IP Model aur Connection Services strong kar lo. In topics se Unit 1 ka question attempt karne ka chance sabse zyada hai.
OSI Model ka diagram, headers/trailers concept, TCP/IP comparison, topologies, transmission media, bandwidth aur data rate sab prepare karo. Answers me diagram aur comparison table zaroor banao.
a) Explain OSI Reference Model with neat diagram. Also explain the function of each layer.
b) Compare connection-oriented and connectionless services with suitable examples.
a) Compare OSI Model and TCP/IP Model.
b) Explain different types of network topologies with advantages and disadvantages.
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It covers network basics, layered architecture, OSI model, TCP/IP model and physical layer concepts.
Yes, OSI Model is one of the most important long-answer topics in Computer Networks.
OSI model, TCP/IP model, layered architecture, transmission media and connection services are very important.