Download DCN-Assignment_List-2013

DCN Assignment List (2013)
1. Introduction to Communications:
1) What is Data Communication?
2) A communication system is made up of _______, _______, and _______ OR
What does data communication network consists of? OR Explain the basic
components of electronic communication system.
3) Discuss applications of Data Communications.
2. Fundamentals of Data Communications:
1) Define the following terms:
a. Baud Rate
b. Bit Rate
2) Define Bandwidth. Calculate the bandwidth if the frequency range is 100 Hz to
2500 Hz OR What is Bandwidth? How is it calculated?
3) Write a short note on Modem.
4) Explain various Data Codes.
2) Discuss the working of telephone handset.
3) Discuss the telephone network.
4) What are GuardBands?
5) What are common carriers?
6) Discuss 800 and 900 telephone services.
7) Give the difference between analog and digital communication. OR Give the
difference between analog signal and digital signal.
3. Communications Media, Servers and Clients:
1) Explain Twisted Pair Media with at least 2 advantages and disadvantages.
2) Explain Coaxial Cable Transmission media with at least 2 advantages and
disadvantages.
3) Explain Fiber Optic Media with at least 2 advantages and disadvantages.
4) Explain Broadcast Radio.
5) Explain Microwave Transmissions in detail.
6) Explain Cellular radio with layout of cellular radio cells.
7) List the factors for selection of transmission media.
8) Explain Point-to-Point and Multipoint connections.
9) Explain frequency spectrum.
10) What is handshaking?
11) Explain RS232 interface pin diagram.
4. Communications Equipment:
1)
2)
3)
4)
5)
Define Multiplexer and Demultiplexer.
Discuss FDM and FDM grouping.
Explain TDM and Statistical TDM.
Discuss in brief Wavelength Division Multiplexing (WDM).
Explain multiple access techniques in data communication system. OR Explain
the concept of FDMA, TDMA and CDMA.
6) Give the main difference between Router and Switch.
7) Give the function of protocol converter.
8) Explain any 2 ancillary equipments.
5. Data Transmission:
1)
2)
3)
4)
5)
6)
7)
8)
9)
Compare analog modulation techniques – AM, FM, PM.
Explain PCM in detail.
How are digital signals used to transmit digital data?
Explain simplex, half-duplex and full-duplex transmissions?
Explain serial and parallel transmission modes.
Explain Synchronous and Asynchronous transmissions.
What is Crosstalk in electronic communication?
Discuss error detection and error correction mechanism in data communication.
Discuss different DSL technologies.
6. Protocols:
1)
2)
3)
4)
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6)
7)
8)
9)
Explain OSI model in detail.
Explain Internet Protocols. OR Explain Wide Area Network Protocols.
List and discuss any 2 email protocols.
List and explain LAN protocols.
Explain CSMA/CD.
Explain Wireless protocols.
Discuss 3G mobile communication.
Explain Bluetooth standard.
Explain Wireless Application Protocol (WAP).
7. Network Security:
1)
2)
3)
4)
5)
Explain Symmetric and Public Key Encryption techniques.
Write a note on Digital Signatures.
Write a note on Digital Certificates.
Explain working of SSL (Secure Socket Layer). OR Explain working of HTTPS.
Discuss Firewalls.
8. Network Management:
1) Explain the main functions of network management.
2) Explain the objectives of network management.
9. Communication Services:
1)
2)
3)
4)
5)
6)
7)
8)
9)
Explain switched networks. OR Discuss Circuit and Packet Switching.
Write a short note on Intranet and Extranet.
What is Routing? Discuss Static Routing.
Explain distributed systems with its characteristics and types.
Explain ATM (Asynchronous Transfer Mode).
Explain Frame Relay (Fast Packet Service)
Write a note on SONET.
Discuss ISDN.
Discuss Peer and Server based Networks.
10.Full Forms:
1) Give the full forms of IEEE, INTELSAT, ADSL, HTTPS, RSA, ATM, POP,
CSMA/CD, PPP.