JNTUK R19 3-1 Computer Networks Material/Notes PDF Download


JNTUK R19 3-1 Computer Networks Material/Notes PDF Download

Students those who are studying JNTUK R19 CSE Branch, Can Download Unit wise R19 3-1 Computer Networks Material/Notes PDFs below.


JNTUK R19 3-1 Computer Networks Material/Notes PDF Download

Course Objectives: The main objectives are

  • Study the basic taxonomy and terminology of the computer networking and enumerate the layers of OSI model and TCP/IP model
  • Study data link layer concepts, design issues, and protocols
  • Gain core knowledge of Network layer routing protocols and IP addressing
  • Study Session layer design issues, Transport layer services, and protocols
  • Acquire knowledge of Application layer and Presentation layer paradigms and protocols

Course Outcomes: At the end of the course, the students will be able to:

  • Illustrate the OSI and TCP/IP reference model
  • Analyze MAC layer protocols and LAN technologies
  • Design applications using internet protocols
  • Implement routing and congestion control algorithms
  • Develop application layer protocols


Introduction: History and development of computer networks, Basic Network Architectures: OSI reference model, TCP/IP reference model, and Networks topologies, types of networks (LAN, MAN, WAN, circuit switched, packet switched, message switched, extranet, intranet, Internet, wired, wireless).

Download UNIT-1 Material PDF | Reference-2 | Ref-3


Physical layer: Line encoding, block encoding, scrambling, modulation demodulation (both analog and digital), errors in transmission, multiplexing (FDM, TDM, WDM, OFDM, DSSS), Different types of transmission media.

Data Link Layer services: framing, error control, flow control, medium access control. Error & Flow control mechanisms: stop and wait, Go back N and selective repeat. MAC protocols: Aloha, slotted aloha, CSMA, CSMA/CD, CSMA/CA, polling, token passing, scheduling.

Download UNIT-2 Material PDF


Local Area Network Technology: Token Ring. Error detection (Parity, CRC), Ethernet, Fast Ethernet, Gigabit Ethernet, Personal Area Network: Bluetooth and Wireless Communications Standard: Wi-Fi (802.11) and Wi-MAX.

Download UNIT-3 Material PDF


Network layer: Internet Protocol, IPv6, ARP, DHCP, ICMP, Routing algorithms: Distance vector, Link state, Metrics, Inter-domain routing. Sub netting, Super netting, Classless addressing, Network Address Translation

Download UNIT-4 Material PDF


Transport layer: UDP, TCP. Connection establishment and termination, sliding window, flow and congestion control, timers, retransmission, TCP extensions, Queuing theory, Single and multiple server queuing models, Little’s formula. Application Layer. Network Application services and protocols including e-mail, www, DNS, SMTP, IMAP, FTP, TFTP, Telnet, BOOTP, HTTP, IPSec, Firewalls.

Download UNIT-5 Material PDF


1) Computer Networks , Andrew S. Tanenbaum, David J. Wetherall, Pearson Education
India; 5 edition, 2013

2) Data Communication and Networking , Behrouz A. Forouzan, McGraw Hill, 5th Edition,


1) Computer Networks: A Systems Approach, LL Peterson, BS Davie, Morgan-Kauffman ,
5th Edition, 2011.

2) Computer Networking: A Top-Down Approach JF Kurose, KW Ross, Addison-Wesley,
5th Edition, 2009

3) Data and Computer Communications , William Stallings , Pearson , 8th Edition, 2007


1) https://nptel.ac.in

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