SRM ARTS AND SCIENCE COLLEGE SRM NAGAR, KATTANKULATHUR 603203 DEPARTMENT OF COMPUTER SCIENCE & APPLICATIONS QUESTION BANK (2017-2018) Course / Branch : BCA Semester /Year : EVEN / III Subject Name : Data Communication and Subject Code : SAZ6B Networking Faculty Name : K.Prakash Designation : Asst.Professor S.No UNIT -I Questions PART - A (Minimum 15 Questions) 1.1 What are the services of transport layer? Nov 2015 1.2 List the components of a Computer network. Nov 2015 1.3 Name any two goals of Computer Network. Apr12 1.4 Define the term: Data Communication. Apr 2016 1.5 List the layers of OSI model. Apr 2016 1.6 What is Ring Topology? Apr 2016 1.7 What is the function of Physical layer? Apr 2014 1.8 Define Simplex mode Apr 17 1.9 What is meant by multipoint connection? Apr 17 1.10 What is mesh topology? Apr 17 1.11 Define WAN. Apr 17 1.12 What is LAN? Apr 15 1.13 Define: Half-Duplex Mode. Apr 15 1.14 Define distributed processing. 1.15 What is standard? List its types. 1.16 Define Syntax and Semantics. 1
1.17 What is the difference between logical address and physical address? 1.18 What is Peer to Peer process? 1.19 Define Inter Networks. 1.20 What are the categories of network? 1.21 What are the key elements of a protocol? 1.22 Name the five basic network topologies. 1.23 What is the purpose of dialog controller? 1.24 What are responsibilities of the presentation layer? 1.25 Name some services provided by application layer. PART - B (Minimum 10 Questions) 1.26 Explain the components of Data Communication System. Apr 15 1.27 What is topology? Name the various topologies draw the sketch. Nov 2016 1.28 Explain the transmission media characteristics of a LAN system. Nov 2016 1.29 Write short notes on : Line configuration Apr 2014 1.30 Write about transmission modes Apr 2014,Apr 2016 1.31 What are the advantages of Distributed Processing? 1.32 Quote the network criteria. 1.33 What is the use of header and trailer? Where do we use it? 1.34 Write about the characteristics of Data Communication System. 2
PART - C (Minimum 7 Questions) 1.35 Explain the Layers of OSI? Apr 15 1.36 Describe in detail, classification of networks. Apr 2016 1.37 Write a note on the following: a) Network b) Protocol c) Layers d) Standards Apr 14, Nov 15, Nov 17,Apr 17 1.38 Discuss the design issues of transport layer in detail. Nov 2015 1.39 Explain different categories of network topologies. Apr 2014 1.40 Explain the standards and its organizations? 1.41 Discuss the responsibilities of the session and presentation layer? Unit -II S.No Questions PART - A (Minimum 15 Questions) 2.1 What is the purpose of the Hamming code? Apr 17 2.2 Define Modem. Apr 15 2.3 What is Asynchronous Transmission? Apr 2016 2.4 Define: Burst Error. Apr 2016 2.5 What is Parallel transmission? Apr 2014 2.6 What is meant by single bit error? Apr 2014 2.7 Differentiate modulator and demodulator. 2.8 What is reflection and refraction? 2.9 Define the line of sight. 2.10 What are the modes of Data transmission? 2.11 How the signals are Transmitted in guided media? 2.12 Define the two propagating modes supported by optic fiber? 2.13 What is the use of Repeater in terrestrial Microwave? 2.14 Define Bit Stuffing technique? 2.15 What are the types of antennas? 3
2.16 Define critical angle? 2.17 How can the performance of the transmission media be identified? 2.18 Define Geosynchronous Satellite? 2.19 Define Analog Hierarchy. 2.20 What are the four types of redundancy checks used in data communication? PART - B (Minimum 10 Questions) 2.21 Discuss briefly about different types of Error in Nov 14 Transmission. 2.22 Write Short Notes on: error correction in computer networks? Apr 17 2.23 Discuss briefly on: Serial Transmission. Apr 15 2.24 Discuss in short about Twisted-Pair cable. Apr 13 2.25 Write short notes on: MODEMs. Apr 2016 Apr 17 2.26 Distinguish between parallel and serial transmission. Apr 2016 2.27 Describe the method of detecting errors. Nov 2015 2.28 What are the various specifications of EIA-232? 2.29 Quote the advantages and disadvantages of optical fiber. 2.30 What are the various radio communication bands? 2.31 In what frequencies the radio waves gets Propagated? 2.32 Explain the concepts of cellular telephony 2.33 Explain about the propagation modes used in optic fiber? 2.34 Explain X.21 interface 2.35 How can the error correction be handled? PART - C (Minimum 7 Questions) 2.36 Describe about unguided media Apr 2014/ Apr 2.37 Illustrate the different Modem standards? 15 Apr 17 2.38 Explain Guided media? Nov 14 4
2.39 What are the methods an error can be detected? Apr 2014 2.40 How the signals are transferred in optic fiber? 2.41 Explain DTE-DCE interface and other interface standards. 2.42 What are the advantages and disadvantages of optical fiber? Apr 13 UNIT III S.No Questions PART - A (Minimum 15 Questions) 3.1 What is Ethernet? Apr 17 3.2 Define: Circuit Switching. Apr 15 3.3 Distinguish between Multiplexer and De-multiplexer. Apr 2016 3.4 What is message switching? Apr 2016 3.5 How is telephone system network differ from computer networks? Nov 2015 3.6 Mention the differences between a multiplexer and concentrator Nov 2015 3.7 Mention the two features of Ethernet. Nov 2015 3.8 What is datagram? Nov 2015 3.9 Define: Packet Switching. Apr 2014 3.10 What is FDDI? Apr 2014 3.11 What are the categories of IEEE 802.3? 3.12 What is Inverse Multiplexing? 3.13 What is interleaving? 3.14 What is collision? 3.15 What are the advantages of FDDI over a token ring? 3.16 Identify the differences between SVC & PVC? 3.17 What are the types of offices in PSTN? 3.18 Name the two technologies used in a time-division switch. 3.19 What are the three switching methods? 5
3.20 What is the function of control unit in a TSI and a TDM bus? 3.21 What is the purpose of a guard band? 3.22 What are the types of TDM? 3.23 How does a DSU differ from a modem? PART - B (Minimum 10 Questions) 3.24 Give a Short note on Telephone System. Apr 17 3.25 Write Short Notes on: Ethernet. Apr 15 3.26 Write briefly on: connection oriented and connectionless services. Apr 2016 / Apr 15 3.27 Discuss briefly about any two multiplexing. Apr 2016 3.28 What is meant by switching? Specify different methods of switching Nov 2015 followed by network layer. 3.29 Discuss briefly on : Token bus and token ring Apr 2014/Apr15 3.30 What is the function of a DSU in switched/56 service? 3.31 What is the format of IEEE 802.3 MAC frame? 3.32 What is the difference between an analog switched service and an analog leased service? 3.33 What are the features of SMDS? 3.34 How is WDM similar to FDM? How are they different? 3.35 Explain Space Division Switches? 3.36 Define and Explain the data link layer in IEEE Project 802? PART - C (Minimum 7 Questions) 3.37 Explain about Frequency Division multiplexing Nov 17 3.38 Write short notes on: a) Ethernet b) IEEE 802.6 Apr 2016 3.39 Explain Ethernet and packed switching Nov 2015 3.40 Explain different types of multiplexing. Apr 2014 Apr 17 3.41 Briefly explain the implementation of telephone system? 3.42 Give a detail description of standards defined in IEEE 802.3? 6
3.43 Discuss in detail about the implementation of token ring? 3.44 Explain the implementation of DQDB? 3.45 Illustrate briefly the types of switching? 3.46 Give a detail description about access method of Ethernet CSMA/CD UNIT IV S.No Questions PART - A (Minimum 15 Questions) 4.1 Write short note on x.21 interface. Nov17 4.2 Write a note on: Packet layer protocol. Apr 2016 4.3 Define Bridges in computer networks Apr 17 4.4 How is an IDN different from ISDN? 4.5 What are the channels and mention its rates of ISDN standards? 4.6 Name the three frames in X.25 and their primary functions? 4.7 Define TE1 and TE2? 4.8 Define reference point? 4.9 What is a logical channel number? 4.10 How is an ATM virtual connection identified 4.11 What is a TA? 4.12 What are the data link protocols used by ISDN? 4.13 What is data rate for a BRI? 4.14 What is the purpose of UNI? 4.15 What are the two general PLP packet types? 7
PART - B (Minimum 10 Questions) 4.16 Write short notes on: ATM topology. Apr 2016 4.17 Describe the concept of virtual terminals. Nov 2015 4.18 Write Short Notes on: TCP/IP Networks Apr 17, Nov13 4.19 Differentiate BRI and PRI? 4.20 Compare the three access methods of B-ISDN? 4.21 Describe the different AAL and their specific data type. 4.22 What are the four types of message in the network layer? 4.23 Describe the ATM standard. 4.24 Describe the format of an ATM cell. 4.25 Name the X.25 frame types and their primary functions. PART - C (Minimum 7 Questions) 4.26 Describe various ATM protocol. Nov 17 4.27 Discuss the remote procedure call (RPC) Nov14 4.28 Describe the ISDN architecture in detail. Nov12 4.29 Explain about packet layer protocol (PLP) Apr 17 4.30 Explain X.25 layer in detail? Apr 15 4.31 Discuss in detail ISDN layers. Apr 2014 4.32 Illustrate the ATM layers in detail? 4.33 Explain the Subscriber access to the ISDN. 4.34 Discuss the functional grouping of ISDN? 4.35 Explain the Broadband ISDN in detail. 8
UNIT-V S.No Questions PART - A (Minimum 15 Questions) 5.1 Sketch the format of IP address. Nov 2015 5.2 Explain briefly the need for DNS. Nov 2015 5.3 Compare the components Bridge and gateway. Nov 2015 5.4 Write Short Notes on: HTML Apr 17 5.5 What is meant by No adaptive Routing Algorithm Apr 17 5.6 Define WWW? Apr 15 5.7 What is TCP/IP network? Apr 2014 5.8 What is the function of SMTP? 5.9 What are the two cost factors that determine the route for the packet? 5.10 What are the elements of link state routing? 5.11 What are the three most popular routing algorithms? 5.12 How is a repeater different from amplifier? 5.13 How does a router differ from a bridge? 5.14 Differentiate adaptive and non-adaptive routing? 5.15 Define the types of internetworking devices? 5.16 Define datagram? PART - B (Minimum 10 Questions) 5.17 5.18 Discuss about WWW Apr 2016 Discuss about the concepts of routing table? 5.19 5.20 5.21 5.22 What are the protocols found in the network layers? What are the advantages of using UDP over TCP? Describe the function of four connecting devices in internetwork. Contract and compare distance vector routing and link state routing. 5.23 What is the difference between a physical address and logical address 9
5.24 Discuss the three main division of domain name space. 5.25 What is the difference between a user agent (UA) and a mail transfer agent (MTA). 5.26 What are the three protocols that interact to manage a network? PART - C (Minimum 7 Questions) 5.27 Discuss the TCP connection needed in FTP? Nov 14 5.28 Give a short note on World Wide Web. Nov14 5.29 Describe the relationship between java and an active documents Apr 17 5.30 Discuss in detail, any ONE Routing Algorithm. Apr 15 5.31 Discuss in detail of routers and gateways. Apr 2016 5.32 Describe the TCP/IP Architecture in detail. Nov 2015 5.33 Write short notes on : a) Repeaters b) Bridges. Apr 2014 5.34 Contrast and compare distance vector routing with link state routing? 5.35 Explain the algorithm which is used for calculating the routing table? 5.36 What are the categories of web documents? 5.37 Describe the transport layer in TCP/IP in detail? 5.38 Discuss the Internetwork protocol (IP) related to TCP/IP. 5.39 Describe the Dijkstra Algorithm with routing table. 10