M.C.A. DEGREE EXAMINATIONS, NOVEMBER-DECEMBER 2025
First Semester
Network and Communication Systems - MC25102
Time: Three hours
Question Paper Code: 55108
PART A (10 x 2 = 20 marks)
1. What is the need for modern storage architectures?
2. Mention the features of software defined storage.
3. What is the use of ICMP?
4. What are the different types of CSMA protocols?
5. Define Piconet.
6. Discuss the advantages of UDP.
7. What are the data transfer modes in FTP?
8. Mention the importance of RSU in VANET.
9. List the types of Firewalls.
10. Discuss the importance of interconnectivity in Cloud ecosystems.
PART B (5 x 13 = 65 marks)
11. Describe the RAID Levels, their characteristics, performance, and applications with illustrations.
Or Explain the architecture, topologies, and applications of Fibre Channel SAN.
Or Explain the architecture, topologies, and applications of Fibre Channel SAN.
12. Explain the working of Distance Vector routing algorithm using neat diagrams.
Or A bit stream 10011101 is transmitted using the standard CRC method. With the generator 1001. Show the actual bit string transmitted. Suppose the third bit from the left and the second bit from the right of the transmitted message are inverted during transmission, show that this error is detected.
Or A bit stream 10011101 is transmitted using the standard CRC method. With the generator 1001. Show the actual bit string transmitted. Suppose the third bit from the left and the second bit from the right of the transmitted message are inverted during transmission, show that this error is detected.
13. Describe the working of a protocol responsible for transmitting multiple streams of data simultaneously between two endpoints having a pre-established connection.
14. Illustrate the principle of communication, PDU format, MIB, and working of SNMP.
15. Illustrate the protocol architecture, MAC layer options, and the need for synchronization in Wireless LAN.
PART C (1 x 15 = 15 marks)
16. Trans Connect is deploying a new fleet of automated guided vehicles (AGVs) in its warehouse. These AGVs communicate using an 802.11 standard, which relies on the Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) protocol. The warehouse environment is highly prone to hidden terminal problems due to dense metallic shelving that blocks wireless signals. The company is observing a high rate of unnecessary backoffs and low overall throughput when the AGVs operate at maximum density. Analyze the role of RTS/CTS mechanism in addressing the primary cause of poor performance in this specific warehouse environment.
Or Broadcom is evaluating whether to upgrade the routing protocol for a new campus network containing 50 routers. The operator is concerned about the overhead introduced by routing algorithms, specifically the computational complexity required by each router to run the core algorithm. Identify the algorithm that each router must run to calculate its shortest path tree.
Or Broadcom is evaluating whether to upgrade the routing protocol for a new campus network containing 50 routers. The operator is concerned about the overhead introduced by routing algorithms, specifically the computational complexity required by each router to run the core algorithm. Identify the algorithm that each router must run to calculate its shortest path tree.
Click the link below to download the PDF version of the question paper (10-second wait before download starts):
Download PDF