GUJARAT TECHNOLOGICAL UNIVERSITY
Bachelor of Engineering
Subject Code:3143201
Page 1 of 2
w.e.f. AY 2018-19
Semester – IV
Subject Name: Data Communication & Computer Networks
Type of course: Undergraduate
Prerequisite: Basics of analog and digital communication and computer hardware and software
Teaching and Examination Scheme:
Teaching Scheme
Credits
Examination Marks
Total
Marks
L
T
P
C
Theory Marks
Practical Marks
ESE (E)
PA (M)
ESE (V)
PA (I)
4
0
2
5
70
30
30
20
150
Syllabus:
Sr.
No.
Content
Total
Hrs
%
Weightage
1
Introduction: Data communications, networking & the Internet, Data
Transmission - transmission techniques, Topologies & Transmission Media,
switched networks- circuit & packet switching. Digitization. OSI model, TCP/IP
protocol architecture.
6
11
2
Signals, Analog and Digital transmission: Analog signal, Digital Signal, Analog
vs Digital, Data rate, Transmission impairments, Propagation delay, sampling,
serial transmission, parallel transmission, ASK, FSK, PSK, QAM, modems
6
11
3
Data Link Layer Protocols: Data link layer fundamentals-error detection, error
correction. Flow control- Stop & wait, Sliding Window Protocols. Error Control -
Go-Back-N ARQ, Selective Reject ARQ .High level Data Link Control (HDLC)
8
14
4
Network Layer & Transport Layer Protocols: Routing protocols-Distance
vector routing, Link state routing, Path vector Routing. Internet protocols-ICMP,
IPv4& IPv6, Connection Oriented & Connectionless services-UDP, TCP
14
25
5
LAN & MAN Protocols: Channel Allocation, Multiple Access, LAN protocols
- Ethernet, CSMA/CD, Token bus, Token ring, FDDI. MAN Protocols- IEEE
802.6(DQDB), SMDS, Frame Relay & ATM.
8
14
6
Application Layer Protocols: Internet Applications, Electronic Mail (SMTP,
MIME) & Management, FTP, CMIP, SNMP, HTTP.
6
14
7
Network Security: Cryptography, Symmetric key Algorithms (DES,
AES), Public key Algorithms-RSA, Digital Signatures, IPSec ,Firewall
6
11
