This page contains the 2021 BCA 5th Semester Computer Network question paper of Purnea University. The question paper includes multiple choice questions, short answer questions and long theory questions based on the latest syllabus. This PYQ is helpful for BCA students preparing for their semester examinations.
PU5-BCA-01
B.C.A. (VTH - SEMESTER)
END SEMESTER EXAMINATION, DECEMBER-2021
PAPER-I
(COMPUTER NETWORK)
Time: 3 Hours Pass Marks: 31.5 Maximum marks: 70
Instructions: Answer any five questions in which Question 1 is compulsory. Each question carries 14 marks.
- OBJECTIVE. (Each contains 1 mark)1. Which of the following transmission directions listed is not a legitimate channel?a. Simplexb. Half Duplexc. Full Duplexd. Double Duplex2. The term FTP stands for?a. File transfer programb. File transmission protocolc. File transfer protocold. File transfer protection3. Which one of the following is not a network topology?a. Starb. Ringc. Busd. Peer to Peer4. Application layer protocol definesa. types of messages exchangedb. message format, syntax and semanticsc. rules for when and how processes send and respond to messagesd. all of these answers5. Which of these is not a guided media?a. Fiber optical cableb. Wireless LANc. Copper wired. Coaxial cable6. OSI stands fora. none of these answersb. operating system interfacec. open system interconnectiond. optical service implementation7. In the IEEE standards, 802.5 standards is also called?a. Token Ringb. Ethernetc. Wireless Token Area Networkd. Token Bus8. Which of the following best describes uploading information?a. Sorting data on a disk driveb. Sending information to a host computerc. Receiving information from a host computerd. Sorting data on a hard drive9. Which type of topology is best suited for large businesses which must carefully control and coordinate the operation of distributed branch outlets?a. Ringb. Local areac. Hierarchicald. Star10. What kind of transmission medium is most appropriate to carry data in a computer network that is exposed to electrical interferences?a. Unshielded twisted pairb. Optical fiberc. Coaxial cabled. Microwave11. The term HTTP stands for?a. Hyper terminal tracing programb. Hypertext tracing protocolc. Hypertext transfer protocold. Hypertext transfer program12. Which one of the following is the most common internet protocol?a. HTMLb. NetBEUIC. TCP/IPd. IPX/SPX13. Which one of the following would breach the integrity of a system?a. Looking the room to prevent theftb. Full access rights for all usersc. Fitting the system with an anti-theft deviced. Protecting the device against willful or accidental damage14. Which software prevents the external access to a system?a. Firewallb. Gatewayc. Routerd. Virus checker
- A. What are the criteria necessary for an effective and efficient network?
B. Name the factors that affect the performance of the network. - A. What is Multiplexing? Define the terms Unicasting, Multicasting and Broadcasting
B. What are the functions of the Physical Layer. - A. What is Brouter? How Gateway is different from Routers?
B. What is Bandwidth? What are the different types of Transmission media? - A. What is mesh network? Why OSI Reference Model is important?
B. Discuss the criteria which are necessary for an effective and efficient network. - A. What is Protocol? What are the key elements of protocol?
B. What are the responsibilities of Data Link Layer? Explain Network Operating system with example? - A. Discuss various devices used in Networking. Also state the layers they are used in.
B. Differentiate between transmission mode and transmission media. - A. What are the basic goals that a Computer network should perform?
B. What is the difference between the bit rate and the baud rate? Explain with an example? - A. Explain the concept of LAN, MAN and WAN with examples.
B. What is the importance of Internet Protocol (IP) in Networking? Explain. - Write Short Notes onA. Analog and Digital SignalB. Token RingC. ATMD. Bit Synchronization
***