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Course Code:
BCA109
Course Title:
Data Communication and Computer Networks
L T P
3 1 0
C
4
UNIT I:
08-LECTURES
Introduction and Physical Layer: Key concepts of computer network, transmission media, network
devices, network topology, topology design issues, types of network: LAN, MAN, WAN, PAN, ISDN
systems and ATM network, OSIreference model, open system standards, characteristics of network, TCP/IP
model, protocols and standards, encoding technique.
UNIT II:
10-LECTURES
Switching and Data Link Layer: Circuit switching, packet switching, message switching, hybrid switching,
and ATM switching, multiplexing techniques: TDMA, FDMA, WDMA, CDMA, data link layer: LLC &
MAC level protocols and design issues, issues IEEE 802 LAN Standards, framing, CRC, error control, flow
control, HDLC, ALOHA and performance issues. Frames relay networks and performance parameters.
UNIT III:
10-LECTURES
Network Layer:Network layer design issues, overview of IPv4 and IPv6, addressing: class full and classless,
static and dynamic, subnet and supernet, auto configuration through DHCP, routing protocols: RIP,
DVR,LSR, OSFP, BGP, congestion control algorithm, subnet concept, virtual LAN, ICMP, multicasting,
mobile IP.
UNIT IV:
09-LECTURES
Transport Layer:Port addressing schemes, connectionless and connection oriented services: TCP and UDP,
wireless TCP, Congestion control, queue management, NAT, PAT, socket format at transport level, socket
interface and programming.
UNIT V:
08-LECTURES
Application Layer: Client server architecture, domain name services, application services: HTTP, TELNET,
RLOGIN, FTP, CBR, NFS, SMTP, POP, IMAP, MIME, voice and video over IP.
TEXT BOOKS:
 Data Communications &Networking, A. Behrouz Forouzan, Tata McGraw Hill, 5th Edition.
REFERENCE BOOKS:
 Computer Networks, S. Tanenbaum, Prentice Hall, 2008, 4th Edition.
 Data and Computer Communications, W. Stallings, Prentice Hall, 2007, 8th edition.
 TCP/IP Principles, Protocols and Architecture, Douglus E. Comer, Pearson Education, Revised
Edition.