### BCS-041 : Fundamentals of Computer Networks

IGNOU BCS-041 December 2022 Question Paper is the latest question paper for the Bachelor of Computer Application (BCA) course offered by the Indira Gandhi National Open University (IGNOU). This question paper is designed to assess the knowledge and understanding of the students on the various concepts and topics covered under the BCS course.

The IGNOU BCS-041 December 2022 Question Paper consists of 5 Question. Question 1 is compulsory and out of the other 4 questions you need to attempt any three.

The IGNOU BCS-041 December 2022 Question Paper is an important resource for the students preparing for the BCA course examination. It helps the students to understand the various concepts and topics covered under the course, and also provides an idea about the types of questions that are likely to be asked in the upcoming examinations.

Overall, the IGNOU BCS-041 December 2021 Question Paper is an essential resource for the students pursuing the BCS course, and it helps them to prepare effectively for the examination.

The BCA program at IGNOU is designed to provide students with a comprehensive understanding of the various aspects of computer applications. The course covers a wide range of topics, including computer programming, database management, data structures, operating systems, and computer networks.

1. (a) What is MD5 Digest ? Explain the steps for the process of generating 128 bit MD5 digest from any given number and key.

(b) How is sampling done from analog signals ? Explain through an illustration.

(c) Given data frame as 1101011011 and generator polynomial G(x) = x4 + x + 1, derive the transmitted frame using CRC method. Write all the steps involved in the process.

(d) How many networks can each IP address class A, B and C have ? Also find the number of hosts per network in each of the given address class.

(e) Discuss the working of ARP and RARP. Also, differentiate between the two.

2. (a) Discuss the following in context of network management :

(i)   Configuration management

(ii)  Accounting management

(b) What are the important features of an ATM switch ?

(c) What are the two categories of ICMP messages ? Give two examples of each.

(d) Differentiate between Virtual circuit and Datagram.

3. (a) Explain the following features of IPv6 :

(i)   Tunnelling

(ii)  Dual IP Stack

(b) What is the problem with PSK ? Explain how it may be solved.

(c) What is TCP's sliding window ? Explain Silly Window Syndrome with the help of a diagram.

4. (a) Explain Time Division Multiplexing (TDM).Discuss the advantages and disadvantages of TDM. Also, give applications of TDM.

(b) What is Three-way handshaking method ? Draw and explain the connection establishment and termination in TCP using Three-way handshaking method.

5. (a) Differentiate between the following :

(i)   Circuit switching and Packet

switching

(ii)  IPv4 and IPv6

(b) Write short notes on the following :

(i)   RSA

(ii)  OSI Model