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AL-602 RGPV B.Tech

Computer Networks (CN)

Previous year papers and the official syllabus are free to read, no account needed.

Previous Year Papers

5 papers, latest Jun 2026

Free
See all 5 papers

Syllabus, notes and important questions for AL-602

Syllabus units

Topics as the official RGPV syllabus lists them.

Unit 1 Computer Network: Definitions, goals, components, Architecture, Classifications & Types; Layered Architecture; ISO/OSI Reference Model; Physical Layer Principles 5 topics
  • Definitions, goals, components, architecture, classifications and types of computer networks.
  • Protocol hierarchy and layered architecture, including design issues, interfaces and services.
  • Connection‑oriented and connectionless services and associated service primitives.
  • ISO/OSI reference model and its comparison with the TCP/IP model.
  • Physical layer principles: transmission media, bandwidth, data rate and modulation schemes.
Unit 1 notes
Unit 2 Data Link Layer 4 topics
  • Data link layer functions: services, framing, flow control and error control.
  • Elementary and sliding‑window protocols (1‑bit, Go‑Back‑N, Selective‑Repeat, Hybrid ARQ).
  • Protocol verification using finite‑state‑machine and Petri‑net models.
  • ARP, RARP and GARP protocols.
Unit 2 notes
Unit 3 MAC Sub‑layer 5 topics
  • MAC sub‑layer addressing and the Binary Exponential Back‑off (BEB) algorithm.
  • Random access and contention schemes (ALOHA, Slotted ALOHA, CSMA, CSMA/CD, CSMA/CA).
  • Collision‑free protocols (Basic Bit Map, BRAP, Binary Count Down, MLMA, Adaptive Tree Walk).
  • Performance‑measuring metrics for MAC protocols.
  • IEEE 802 series standards and their variants.
Unit 3 notes
Unit 4 Network Layer 4 topics
  • Network layer services, design issues and routing algorithms (Least‑Cost, Dijkstra, Bellman‑Ford, hierarchical, broadcast, multicast).
  • IP addressing, header format, packet forwarding, fragmentation and reassembly.
  • ICMP functionality.
  • Comparative study of IPv4 and IPv6.
Unit 4 notes
Unit 5 Transport and Application Layers 3 topics
  • Transport layer design issues, UDP header format, checksum and support for unicast/multicast real‑time traffic.
  • TCP connection management, reliability mechanisms, flow control, congestion control, header format and timer management.
  • Application layer protocols: HTTP/WWW, FTP, SSH, SMTP/MIME/IMAP, DNS, and network management (SNMP).
Unit 5 notes
Read the full syllabus

Exam insights

Counted from 5 past AL-602 papers.

Marks asked per paper, by unit

  • Unit 1 Computer Network 24 marks
  • Unit 2 Data Link Layer 21 marks
  • Unit 3 MAC Sub layer 22 marks
  • Unit 4 Network Layer 22 marks
  • Unit 5 Transport Layer 22 marks

Average marks of the questions from each unit in one paper. You answer only some of them, so the total is more than the paper’s maximum.

Asked again and again

  1. Compare IPv4 and IPv6 protocols, including packet formats, differences, advantages, limitations and improvements.

    Asked 4 times: 2026, 2025, 2024

  2. Explain the ISO-OSI reference model with a neat diagram and the functionalities of each layer.

    Asked 3 times: 2024, 2023

  3. Explain what a computer network is and its architecture with diagram and components.

    Asked 3 times: 2024, 2023

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