Here you can download the free lecture Notes of Data Communication and Computer Networks Pdf Notes – DCCN Notes pdf materials with multiple file links to download. The Data Communication and Computer Networks Notes Pdf – DCCN Pdf Notes book starts with the topics covering Communications, Multiplexing and Spreading, Block Coding, Backbone Networks, Logical Addressing, Process- to-Proccss Delivery, Network Management System, etc.
Data Communication and Computer Networks Pdf Notes – DCCN Notes
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UNIT-I
Introduction: Data: Communications, Networks. The Internet. Protocols and Standards. Network Models, Layered Tasks. The OSI Model. Layers in the OSI Model. TCP/IP Protocol Suite. Addressing. Physical Layer Media. Data and Signals, Analog and Digital. Periodic Analog Signals. Digital Signals. Transmission impairment. Data Rate Limits, Performance. Digital Transmission. Digital-to-Digital Conversion. Analog-to-Digital Conversion, Analog Transmission. Digital-to-analog Conversion. Analog-to-analog Conversion
UNIT-II .
Bandwidth utilization: Multiplexing and Spreading, Multiplexing. Spread Spectrum. Transmission Media, Guided media. unguided Media:wireless, Switching. Circuit-Switched Networks. Dntagram Networks, Virtual-Circuit Networks. Structure of a Switch. Using Telephone and Cable Networks for Data Transmission. Telephone Networks. Dial-up Modems. Digital Subscriber Line. Cable TV Networks. Cable TV for data transfer.
UNIT-III
Error Detection and Correction, Introduction. Block Coding, Liner Block Codes, Cyclic Codes. Checksum. Data Link Control. Framing. Flow and Error Control. Protocols. Noiseless Channels, HDLC, Point-to-Point Protocol. Multiple Access. Random Access, Aloha, Controlled Access, Channelization, lEEE Standards. Standard Ethernet. Changes in the Standard. Fast Ethernet,Gigabit Ethernet.lEEE 802.1l.Bluetooth
UNIT-IV
Connecting LANs. Backbone Networks, and Virtual LANs. Connecting Devices. Backbone Networks, Virtual LANS, Cellular Telephony. Satellite Networks, Sonet/SDH. Architecture. Sonet Layers. Sonet Frames. STS Multiplexing, Sonet Networks. Virtual Tributaries. Virtual-Circuit Networks: Frame Relay and ATM, Frame Relay. ATM. ATM LANs
Data Communication and Computer Networks Notes Pdf – DCCN Pdf Notes
UNIT-V
Network Layer: Logical Addressing, IPv4 Addresses. IPv6 Addresses, V Network Layer: lntemet Protocol. Intemetworking. lPv4. IPv6. Transition from IPv4 to IPv6, Network Layer: Adress Mapping, Error Reporting and Multicasting. Address Mapping, ICMP, IGMP. ICMPv6. Network Layer: Delivery. Forwarding and Routing, Delivery. Forwarding. Unicast Routing Protocols, Multicast Routing Protocols
UNIT-VI
Transport Layer: Process-Process Delivery: UDP,TCPand SCTP, Process- to-Proccss Delivery. User Datagram Protocol (UDP), TCP. SCTP. Congestion Control and Quality of Service. Data Trafiic. Congestion, Congestion Control, Two Examples. Quality Service. Techniques to improve QoS. Integrated Services, Differentiated Services. QoS in Switched Networks
UNIT VII
Application Layer: D0mainName System. Name Space. Domain Narnespace, Distribution of Name Space. DNS in the Internet, Resolution, DNS Messages. Types of Records, Registrars, Dynamic Domain Name System (DDNS). Encapsulation, Rmote Logging. Electronic Mail and File Transfer. Remote Logging. Telnet, Electronic Mail, File Transfer
UNIT-VIII
WWW and HTTP: Architecture. Web Documents, HTTP, Network Management: SNMP, Network Management System. Simple Network Management Protocol (SNMP). Multimedia. Digitizing Audio and Video, Audio and Video Compression. Streaming Stored Audio/Video, Streaming Live Audio/Video, Real-Time lnteractive Audio/Video. RTP. RPCP. Voice over IP.
TEXT BOOKS:
l. Data Communications and Networking, Fourth Edition by Behrouza A. Forouzan.TMH.
2. Computer Networks.A.S .Tanenbaum.4th edition,Pearson education.
REFERENCE BOOKS:
I. Introduction to Data communications and Networking. W.Tomasi. Pearson education.
2. Z Data and Cotnputcr Co|nmunications,GS.Hura and M.Singhal,CRC Press.Taylor and Francis Group.
3. An Engineering Approach to Computer Networks~S.Keshav,2nd Edition,Pearson Education.
4. Understanding communications and Networks.3rd Edition. . \V.A.Shay.Cengage beaming. ‘
5. Computer Networks.L.L.Peterson and B.S.Davie;4’* odition, HEVIBK
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Frequently Asked Questions
Q1: What does data communication mean?
A1: Transmission of the digital data between two or more computer systems is known as data communication. The telecommunication network that allows any computers to exchange the data is known as computer network or data network. Cable media or wireless media helps to establish the physical connection between computing device network. Best known example for a computer network is the Internet. Basic concepts of computer like mouse, keyboard, input, output, primary/secondary memory etc is required to get to know more about the field.
Q2: What are the applications of computer networking?
A2: Computer networking provides number of advantages. Some are as follows
- Instant messaging through any apps or social medias
- IP phones
- Video or audio conferences
- Interaction with people through web pages or any other applications
- Parallel computing
- Resource sharing such as storage devices and printers
- Information sharing using internet
Q3: What is network engineering?
A3: Network engineering is a complicated process. Firmware, software, hardware, chip level engineering, electric pulses are involved in the network engineering. The entire concept is divided into different layers. These layers share the data in between them. Layers are dependent on each other to receive input and send output. Individual layers in a particular task. Almost all the networking process is dependent on this entire procedure of transfer of data in between layers.
