diff --git a/content/rgpv/cscy/semester-4/cy-403/pyqs.json b/content/rgpv/cscy/semester-4/cy-403/pyqs.json index 4dff6e7..02adb4d 100644 --- a/content/rgpv/cscy/semester-4/cy-403/pyqs.json +++ b/content/rgpv/cscy/semester-4/cy-403/pyqs.json @@ -5,5 +5,586 @@ "name": "Computer Networks", "title": "CY-403 - Computer Networks" }, - "papers": [] + "papers": [ + { + "exam": "June 2025", + "year": 2025, + "month": "June", + "questions": [ + { + "id": "q1", + "questionNumber": "Q.1", + "subQuestions": [ + { + "id": "q1a", + "label": "a)", + "text": "Explain the ISO-OSI reference model in detail. Compare it with the TCP/IP model based on layer functionalities and real-world implementation.", + "unit": "Unit 1" + }, + { + "id": "q1b", + "label": "b)", + "text": "If a noiseless channel has a bandwidth of 3 kHz and each signal level carries 4 bits, calculate the maximum bit rate using the Nyquist formula. What if the number of signal levels is increased?", + "unit": "Unit 1" + } + ] + }, + { + "id": "q2", + "questionNumber": "Q.2", + "subQuestions": [ + { + "id": "q2a", + "label": "a)", + "text": "Explain the principles and operation of circuit switching, packet switching and message switching.", + "unit": "Unit 1" + }, + { + "id": "q2b", + "label": "b)", + "text": "Given data block : 1101011011 and generator polynomial : 10011. Perform CRC computation and provide the final codeword.", + "unit": "Unit 2" + } + ] + }, + { + "id": "q3", + "questionNumber": "Q.3", + "subQuestions": [ + { + "id": "q3a", + "label": "a)", + "text": "Explain the stop-and-wait protocol and sliding window protocol. How does the sender and receiver manage buffers in both cases?", + "unit": "Unit 2" + }, + { + "id": "q3b", + "label": "b)", + "text": "Discuss static Vs dynamic channel allocation. Compare ALOHA, slotted ALOHA and CSMA protocols.", + "unit": "Unit 2" + } + ] + }, + { + "id": "q4", + "questionNumber": "Q.4", + "subQuestions": [ + { + "id": "q4a", + "label": "a)", + "text": "Describe IEEE 802.3, IEEE 802.4 and IEEE 802.5 LAN standards in terms of access methods, performance and topology.", + "unit": "Unit 3" + }, + { + "id": "q4b", + "label": "b)", + "text": "Compare and contrast the operations of hubs, switches, bridges, routers and gateways.", + "unit": "Unit 3" + } + ] + }, + { + "id": "q5", + "questionNumber": "Q.5", + "subQuestions": [ + { + "id": "q5a", + "label": "a)", + "text": "Explain remote bridging. What challenges arise in implementing remote bridges in large LANs?", + "unit": "Unit 3" + }, + { + "id": "q5b", + "label": "b)", + "text": "Compare connection establishment and release in TCP using three-way and four-way handshakes. Why is graceful termination important?", + "unit": "Unit 5" + } + ] + }, + { + "id": "q6", + "questionNumber": "Q.6", + "subQuestions": [ + { + "id": "q6a", + "label": "a)", + "text": "Discuss the working of link state routing and distance vector routing algorithms with their convergence speed and scalability.", + "unit": "Unit 4" + }, + { + "id": "q6b", + "label": "b)", + "text": "Describe classful IP addressing. Discuss the limitations that led to the evolution of CIDR and classless addressing.", + "unit": "Unit 4" + } + ] + }, + { + "id": "q7", + "questionNumber": "Q.7", + "subQuestions": [ + { + "id": "q7a", + "label": "a)", + "text": "You are given a network 192.168.10.0/24. Divide it into 4 subnets and determine the range of IP addresses and broadcast address for each subnet.", + "unit": "Unit 4" + }, + { + "id": "q7b", + "label": "b)", + "text": "Describe the working of DNS. How does it resolve domain names to IP addresses using caching and hierarchical servers.", + "unit": "Unit 5" + } + ] + }, + { + "id": "q8", + "questionNumber": "Q.8", + "subQuestions": [ + { + "id": "q8", + "label": "", + "text": "Write a short note on (any two) :\na) ARP, RARP and ICMP protocols\nb) PPP, SLIP and HDLC protocols\nc) Types of transmission media (guided and unguided)", + "unit": "Unit 4" + } + ] + } + ] + }, + { + "exam": "June 2024", + "year": 2024, + "month": "June", + "questions": [ + { + "id": "q1", + "questionNumber": "Q.1", + "subQuestions": [ + { + "id": "q1a", + "label": "a)", + "text": "Describe each of the seven layers of the ISO/OSI model. For each layer explain its function and provide examples of protocols and devices associated with it.", + "unit": "Unit 1" + }, + { + "id": "q1b", + "label": "b)", + "text": "What is Shannon's Theorem and what does it state about the maximum data rate of a communication channel? Establish a relationship between channel capacity, bandwidth and signal-to-noise ratio (SNR) according to Shannon's Theorem.", + "unit": "Unit 1" + } + ] + }, + { + "id": "q2", + "questionNumber": "Q.2", + "subQuestions": [ + { + "id": "q2a", + "label": "a)", + "text": "What do you understand by transmission media. Give the difference between Guided and Unguided media.", + "unit": "Unit 1" + }, + { + "id": "q2b", + "label": "b)", + "text": "Why is error control necessary in data communication? Describe the methods used for error detection and correction in the Data Link Layer.", + "unit": "Unit 2" + } + ] + }, + { + "id": "q3", + "questionNumber": "Q.3", + "subQuestions": [ + { + "id": "q3a", + "label": "a)", + "text": "Calculate the CRC checksum for a data word represented by the polynomial D(x) = x^5 + x^4 + x^2 + 1 and a CRC polynomial C(x) = x^3 + x + 1.", + "unit": "Unit 2" + }, + { + "id": "q3b", + "label": "b)", + "text": "How does ALOHA handle contention among multiple devices trying to access the shared channel? Give the advantages and limitations of the pure ALOHA protocol.", + "unit": "Unit 2" + } + ] + }, + { + "id": "q4", + "questionNumber": "Q.4", + "subQuestions": [ + { + "id": "q4a", + "label": "a)", + "text": "Describe the key features and characteristics of the IEEE 802.3 Ethernet standard.", + "unit": "Unit 3" + }, + { + "id": "q4b", + "label": "b)", + "text": "What is a network switch and what role does it play in computer networking? How does a switch build and maintain its MAC address table?", + "unit": "Unit 3" + } + ] + }, + { + "id": "q5", + "questionNumber": "Q.5", + "subQuestions": [ + { + "id": "q5a", + "label": "a)", + "text": "What are the primary design issues in the Network Layer and also discuss the main functions performed by the Network Layer?", + "unit": "Unit 4" + }, + { + "id": "q5b", + "label": "b)", + "text": "Explain the concept of Shortest Path Routing with suitable example. Also discuss the advantages and limitations of Shortest Path Routing.", + "unit": "Unit 4" + } + ] + }, + { + "id": "q6", + "questionNumber": "Q.6", + "subQuestions": [ + { + "id": "q6a", + "label": "a)", + "text": "Explain the role of each layer in the TCP/IP protocol stack with suitable layered architecture.", + "unit": "Unit 4" + }, + { + "id": "q6b", + "label": "b)", + "text": "What is ICMP? Describe the role of ICMP messages in network communication. What types of information do ICMP messages convey? Explain.", + "unit": "Unit 4" + } + ] + }, + { + "id": "q7", + "questionNumber": "Q.7", + "subQuestions": [ + { + "id": "q7a", + "label": "a)", + "text": "What is the Domain Name System (DNS) and what role does it play in computer networking? Explain how DNS translates domain names to IP addresses and vice versa.", + "unit": "Unit 5" + }, + { + "id": "q7b", + "label": "b)", + "text": "What is load shedding and how does it relate to congestion control? Discuss some techniques used for load shedding in the Transport Layer.", + "unit": "Unit 5" + } + ] + }, + { + "id": "q8", + "questionNumber": "Q.8", + "subQuestions": [ + { + "id": "q8", + "label": "", + "text": "Write a short note on any two :\na) Circuit, Packet and Message Switching\nb) HDLC\nc) Router and Gateways\nd) Connection establishment and release", + "unit": "Unit 1" + } + ] + } + ] + }, + { + "exam": "November 2023", + "year": 2023, + "month": "November", + "questions": [ + { + "id": "q1", + "questionNumber": "Q.1", + "subQuestions": [ + { + "id": "q1a", + "label": "a)", + "text": "Difference between server based and Peer to Peer Networking.", + "unit": "Unit 1" + }, + { + "id": "q1b", + "label": "b)", + "text": "Explain the term Nyquist bit rate and Shannon capacity.", + "unit": "Unit 1" + } + ] + }, + { + "id": "q2", + "questionNumber": "Q.2", + "subQuestions": [ + { + "id": "q2a", + "label": "a)", + "text": "Explain MAC along with working of all CSMA protocols.", + "unit": "Unit 2" + }, + { + "id": "q2b", + "label": "b)", + "text": "What is the purpose of Hamming code? Construct Hamming code for the bit sequence 10011101.", + "unit": "Unit 2" + } + ] + }, + { + "id": "q3", + "questionNumber": "Q.3", + "subQuestions": [ + { + "id": "q3a", + "label": "a)", + "text": "Explain the working of IEEE 802.4 standard. Also explain the working of Frame format.", + "unit": "Unit 3" + }, + { + "id": "q3b", + "label": "b)", + "text": "Imagine the length of ring in token ring is 1000 meter if the speed of propagation in a twisted pair cables is 60 percent of the speed of light (300,000,000 meter/second). How long does it takes for a bit to make a complete trip?", + "unit": "Unit 3" + } + ] + }, + { + "id": "q4", + "questionNumber": "Q.4", + "subQuestions": [ + { + "id": "q4a", + "label": "a)", + "text": "Explain any two unicast static and dynamic routing Algorithms.", + "unit": "Unit 4" + }, + { + "id": "q4b", + "label": "b)", + "text": "Describe subnet mask. Explain different classes of IP address.", + "unit": "Unit 4" + } + ] + }, + { + "id": "q5", + "questionNumber": "Q.5", + "subQuestions": [ + { + "id": "q5a", + "label": "a)", + "text": "Explain the various congestion control Algorithms.", + "unit": "Unit 5" + }, + { + "id": "q5b", + "label": "b)", + "text": "Explain the addressing using DNS.", + "unit": "Unit 5" + } + ] + }, + { + "id": "q6", + "questionNumber": "Q.6", + "subQuestions": [ + { + "id": "q6a", + "label": "a)", + "text": "Explain OSI model stating its importance in network architecture.", + "unit": "Unit 1" + }, + { + "id": "q6b", + "label": "b)", + "text": "What is the principle difference between connectionless and connection oriented communication.", + "unit": "Unit 5" + } + ] + }, + { + "id": "q7", + "questionNumber": "Q.7", + "subQuestions": [ + { + "id": "q7a", + "label": "a)", + "text": "Discuss internet services standards for TCP/IP and the process of standardization for RFCS and TCP/IP.", + "unit": "Unit 4" + }, + { + "id": "q7b", + "label": "b)", + "text": "Explain distance vector routing with example.", + "unit": "Unit 4" + } + ] + }, + { + "id": "q8", + "questionNumber": "Q.8", + "subQuestions": [ + { + "id": "q8", + "label": "", + "text": "Describe Frame Relay Protocol architecture and explain the function of each one.", + "unit": "Unit 2" + } + ] + } + ] + }, + { + "exam": "June 2023", + "year": 2023, + "month": "June", + "questions": [ + { + "id": "q1", + "questionNumber": "Q.1", + "subQuestions": [ + { + "id": "q1a", + "label": "a)", + "text": "Draw the ISO-OSI architecture and outline the function performed by each layer.", + "unit": "Unit 1" + }, + { + "id": "q1b", + "label": "b)", + "text": "Compare and contrast guided and unguided media for transmission.", + "unit": "Unit 1" + } + ] + }, + { + "id": "q2", + "questionNumber": "Q.2", + "subQuestions": [ + { + "id": "q2a", + "label": "a)", + "text": "List out the functions of the Data Link Layer. One channel with a bit rate of 190 kbps and another with a bit rate of 180 kbps are to be multiplexed using TDM with no synchronization bits.\ni) What is the size of a frame in bits?\nii) What is the data rate?", + "unit": "Unit 2" + }, + { + "id": "q2b", + "label": "b)", + "text": "Define the relationship between transmission delay and propagation delay, if the efficiency is at least 50% in STOP N WAIT protocol.", + "unit": "Unit 2" + } + ] + }, + { + "id": "q3", + "questionNumber": "Q.3", + "subQuestions": [ + { + "id": "q3a", + "label": "a)", + "text": "Differentiate between Virtual Circuit versus Datagram Subnets.", + "unit": "Unit 3" + }, + { + "id": "q3b", + "label": "b)", + "text": "The IP network 200.198.160.0 is using subnet mask 255.255.255.224. Design the subnets.", + "unit": "Unit 4" + } + ] + }, + { + "id": "q4", + "questionNumber": "Q.4", + "subQuestions": [ + { + "id": "q4a", + "label": "a)", + "text": "Explain Distance Vector Routing (DVR) with working example in detail.", + "unit": "Unit 4" + }, + { + "id": "q4b", + "label": "b)", + "text": "Discuss in detail about ICMP role in network layer.", + "unit": "Unit 4" + } + ] + }, + { + "id": "q5", + "questionNumber": "Q.5", + "subQuestions": [ + { + "id": "q5a", + "label": "a)", + "text": "What is the format of an Email? Explain the architecture of a mailing system.", + "unit": "Unit 5" + }, + { + "id": "q5b", + "label": "b)", + "text": "Provide few reasons for congestion in a network. What is the purpose of the Domain Name System?", + "unit": "Unit 5" + } + ] + }, + { + "id": "q6", + "questionNumber": "Q.6", + "subQuestions": [ + { + "id": "q6a", + "label": "a)", + "text": "Explain network topological design with necessary diagram and brief the advantages and disadvantages of various topologies.", + "unit": "Unit 1" + }, + { + "id": "q6b", + "label": "b)", + "text": "Discuss the issues in the data link layer and about its protocol on the basis of layering principle.", + "unit": "Unit 2" + } + ] + }, + { + "id": "q7", + "questionNumber": "Q.7", + "subQuestions": [ + { + "id": "q7a", + "label": "a)", + "text": "Assume we want to send a data from S to R and there are 2 routers in between. What will be the total time taken if total number of packets is 5? Data is like: Tp=0 ms, Data size=1000 bytes, BW=1 mbps, Header of the packet=100 bytes.", + "unit": "Unit 1" + }, + { + "id": "q7b", + "label": "b)", + "text": "Explain CSMA/CD in detail.", + "unit": "Unit 2" + } + ] + }, + { + "id": "q8", + "questionNumber": "Q.8", + "subQuestions": [ + { + "id": "q8", + "label": "", + "text": "Write Technical short note on any two:\ni) Introduction to ISDN\nii) HDLC\niii) HUB\niv) Jitter control", + "unit": "Unit 1" + } + ] + } + ] + } + ] }