Tulsiramji Gaikwad Patil College of Engineering and Technology, Nagpur. Department of Electronics Engineering / Department of Electronics and Communication Engineering COMPUTER COMMUNICATION NETWORK (Question Bank) Q.1 Q.2 Q.3 Q.4 Q.5 Q.6 Q.7 Q.8 Q.9 Unit 1: Introduction to Computer Networks Describe the four classes of OSI reference service primitives with the help of layered architecture. Explain with neat sketches various topologies used in computer networks and indicate the one most widely used for LAN's and WAN's. Compare single stage network with multistage network. Explain IEEE 802.3, 802.4 and 802.5 standards with special reference to frame format. Draw and explain TCP/IP protocol architecture. Write short notes on X.25 Networks. Compare ATM and FRAME RELAYS. What are different guided and unguided media? Explain in detail. Draw and explain ATM protocol reference model. Unit 2: Physical Layer Q.10 Explain the classification of transmission media. Q.11 Compare circuit switching and packet switching. Q.12 Explain SONET Network. Q.13 Write short notes on selection of IEEE 802.11 a, b, g, n. Q.14 Explain cable modem and DSL technologies. Q.15 Explain IEEE 802.5 protocol with neat frame format. Q.16 Explain in details fiber optics used as a transmission media in physical layer. Q.17 Explain high speed LAN. Unit 3: Data link layer Q.18 Explain the frame format of HDLC. Q.19 Write short notes on Error conrol and flow control. Q.20 Explain active hubs and pasive hubs. Q.21 Explain sliding window protocol used in data link layer. Q.22 Explain the Network Hardware components HUBs, Bridges, Repeaters, Switch, Router and NIC. Q.23 Explain the sliding window protocols. a) Go -Back-N b)Selective Repeat. Q.24 Write short notes on framing in data link layer. Q.25 Explain in details fiber optics used as a transmission media in physical layer. Unit 4: Transport Layer and Network Layer Q.26 What do you mean by the term congestion and what are its causes & policies. Q.27 Explain the difference between IPv4 and IPv6 -addressing. Q.28 Explain the following Routing Algorithm.
Q.29 Explain the method of IP addressing scheme. Q.30 What are the functions supported by transport layer. Q.31 Explain distance vector routing protocol in network layer. Q.32 Explain : i) Link state routing ii) Path vector routing Q.33 Explain wireless TCP & UDP. Q.34 Draw and explain IPv4 Header format and compare it with IPv6 format. Q.35 Explain the Ipv4 datagram format with neat diagram. Q.36 Explain the Ipv6 datagram format with neat diagram. Q.37 Explain following routing algorithms i) Flooding ii) Hierarchical Routing. Unit 5: Application Layer Q.38 Write short notes on 1)File transfer protocol 2)Simple Mail Transfer protocol 3)Email structure. 4) Ping protocol 5) BOOTP 6) DNS Q.39 Explain the concept of Peer to Peer file sharing. Q.40 Give different types of sockets in computer nerwork. Q.41 Write short notes on streaming audio/video media. Q.42 What are the five basic functions supported by E mail system. Q.43 Write short notes on FTP, telnet, http (www). Unit 6: Basics of Network Security and Network administration Q.44 Write short notes on following: a. Network tester b. Network Security. c. Network simulation. d. Domain name system. e. Internet access through dialup/lease line/DSL/ mobile handset. Q.45 Explain concept of Digital signature and public key crptography Q.46 Draw secret key algorithm. Draw its block diagram and give advatages and disadvantages of it. Q.47 Give the difference between conventional and public key encryption. Upesh Patel Subject Teacher.