Data Communication (3413) AIOU Spring 2012 assignment for BCS
Course: Data Communication (3413) Semester: Spring, 2012
Level: Bachelor Total Marks: 100
1. PLAGIARISM OR HIRING OF GHOST WRITER(S) FOR SOLVING THE ASSIGNMENT(S) WILL DEBAR THE STUDENT FROM AWARD OF DEGREE/CERTIFICATE, IF FOUND AT ANY STAGE.
2. SUBMITTING ASSIGNMENT(S) BORROWED OR STOLEN FROM OTHER(S) AS ONE’S OWN WILL BE PENALIZED AS DEFINED IN “AIOU PLAGIARISM POLICY”.
Note: All questions carry equal marks.
Q. 1 a) Discuss the various communication tasks with the help of examples.
b) Explain the addressing and routing technique in the communication networks.
Q. 2 What are ISDN and Broadband ISDN? Elaborate in detail.
Q. 3 a) Discuss the importance and functionalities of point to point and multipoint communication network.
b) What are the types of impairments that are encountered in transmission of signal? Elaborate.
Q. 4 Write a detail note on the characteristics of Guided & Un-Guided transmission Medias.
Q. 5 Study the various modern encoding techniques and write a summarized report of your study.
Note: All questions carry equal marks.
Q. 1 What is modulation? Also write down a detail explanation of various modulation techniques.
Q. 2 Define Multiplexing. Also describe the techniques used for frequency and time division multiplexing.
Q. 3 Describe the technique used for flow control of transmission communication traffic.
Q. 4 Study the behaviour of Fast and High Speed Ethernet and Write a concluding summary of your study.
Q. 5 Study the switching network and write an article on circuit and packet switching techniques.
Data Communication (3413) Credit Hours: 4(4+0)
Recommended Book:
Data and Computer Communication by William Stallings
Course Outlines:
Unit No. 1 Data Transmission and Networking Concepts
Communication Model and Communication Tasks, Transmission System Utilization, Interfacing & Signal Generation, Exchange Management, Error Detection and Correction, Flow Control, Addressing, & Routing, Recovery, Message Formatting, Security, Network Management Protocol and Protocol Architecture, OSI Standard, TCP/IP Suite, Bus, Tree, Ring, Star LANs, Circuit Switching And Packet Switching, Frame Relay and ATM, ISDN and Broadband ISDN, Point to Point and Multipoint, Simplex, Half-Duplex and Full-Duplex Transmission, Analog and Digital Data Transmission
Unit No. 2 Signal Fundamentals and Transmission Impairments
Basics of Signals, Time Domain and Frequency Domain, Attenuation, Delay Distortion, Noise and Channel Capacity
Unit No. 3 Transmission Media
Guided Transmission Media – Twisted Pair, Coaxial Cable and Optical Fiber, Unguided Transmission Media – Terrestrial & Satellite Microwave and Broadcast Radio, Practical*
Unit No. 4 Data Encoding
Digital Data & Digital Signals, Encoding Techniques (NRZ-L, NRZI, Bipolar Ami, Pseudo ternary, Manchester, Differential Manchester), Digital Data & Analog Signals–Modem Encoding Techniques (ASK, FSK, PSK, QPSK), Analog Data & Digital signals–Code Encoding Techniques (PCM, TDM), Modulation Techniques (Am, Fm, Pm)
Unit No. 5 Data Communication Interface and Multiplexing
Asynchronous and Synchronous Transmission, Line Configurations, Interfacing, Null Modem, Frequency Division, Multiplexing, Synchronous and Statistical Time Division Multiplexing
Unit No. 6 Data Link Control
Flow Control Techniques – Stop & Wait, Sliding Window, Error Detection (Even and Odd Parity Check, CRC or FCS), Error Control Techniques (Stop And Wait ARQ, Go-Back-N ARQ, Selective-Reject ARQ, High Level Data Link Control Protocols (HDLC))
Unit No.7 LAN Technologies and Systems
LAN Architecture, Ethernet and Fast Ethernet LANs (CSMA/CD), Token Ring Network, FDDI, High Speed Ethernet (Gigabit LANs)
Unit No. 8 Inter Network Devices and WAN Services
Switch, Bridge, Router, Circuit Switching Network, Packet Switching Network, ISDN Links, ATM and Frame Relay
Unit No. 9 Disaster Recovery and System Configuration
Disaster Recovery, Data Protection Techniques, System Failures Protection Techniques, System Configuration, Installing and Configuring Network devices (Modem and NIC), Network Configuration and Administration, Practical **
* The institution should arrange the following to make and test UTP Cable from the students used in star topology:
(a) Direct Cable (b) Cross over Cable
** The Institution should arrange the following labs:
(a) Install network OS and configuration of Network devices
(b) Managing user accounts and user rights
