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IGNOU BCS-41 - Fundamentals of Computer Networks

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Fundamentals of Computer Networks

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IGNOU BCS-41 Code Details

  • University IGNOU (Indira Gandhi National Open University)
  • Title Fundamentals of Computer Networks
  • Language(s) English
  • Code BCS-41
  • Subject Computer Application
  • Degree(s) BCA
  • Course Core Courses (CC)

IGNOU BCS-41 English Topics Covered

Block 1 - Concepts of Communication and Networking

  • Unit 1 - Basics of Data Communication
  • Unit 2 - Modulation and Encoding
  • Unit 3 - Multiplexing and Switching
  • Unit 4 - Communication Mediums

Block 2 - Networks and Devices

  • Unit 1 - Network Classifications and Topologies
  • Unit 2 - OSI and TCP/IP Models
  • Unit 3 - Physical and Data Link Layer
  • Unit 4 - Internet Working Devices

Block 3 - Network Transport and Application Layer

  • Unit 1 - Network Layer
  • Unit 2 - Transport Layer
  • Unit 3 - Application Layer
  • Unit 4 - Network Applications

Block 4 - Network Design & Security

  • Unit 1 - Building A Simple Network
  • Unit 2 - Introduction to Network Architectures
  • Unit 3 - Introduction to Wireless and Mobile Networks
  • Unit 4 - Network Security
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IGNOU BCS-41 (July 2023 - January 2024) Assignment Questions

Q1. (a) Differentiate between single mode and multi-mode optical fiber. (b) Briefly discuss the functions of various layers involved in TCP/IP model, also mention the protocols defined under each layer. Q2.(a) What is count-to-infinity problem in distance vector routing protocol? How does it happen? Explain with an example. (b) Define angle modulation. What are its types? Discuss the limitations of angle modulation. Q3. (a) Calculate the CRC for bit sequence 1101011011 and generator polynomial is 10011. Note: Show all steps and calculation. (b) What is Ad hoc Wireless Communication System? Explain. Q4. (a) What is ICMP? Discuss the ICMP message categories. Also, give at least two examples of each ICMP message category. (b) What is NIC? Write the techniques used by NIC for data transfer. Q5. (a) Write the steps for Message Digest 5 (MD5) algorithm. (b) Compare Hub and Switch. Give the advantages and disadvantages of both Hub and Switch. Briefly discuss the functions of layer-2 switch and layer-3 switch. Q6. (a) Explain POP and IMAP. How does POP work? What are the advantages of IMAP over POP? (b) Assume two prime numbers p and q are 3 and 5 respectively. Calculate private key and public key using RSA algorithm. Q7. (a) Compare between CSMA/CD and token passing methods in Ethernet. Also explain how collisions are handled by CSMA/CD. (b) What is round robin technique for transmission? How does polling differ from token passing? Q8. (a) What is distance vector routing? Briefly discuss the problem of distance vector routing. (b) What do you understand by the term Quality of Services (QoS). Discuss the techniques to improve QoS.

IGNOU BCS-41 (July 2022 - January 2023) Assignment Questions

Q1. Given the network address 132.21.0.0, find the class, the block, and the range of the addresses. Q2. Compare 3G, 4G and 5G network architectures. Q3. What is parity bit method? Explain its use with the help of an example. Q4. What are the limitations of Amplitude Modulation.
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