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data communication

Semester :  IV

Course Code : 18CS46

CIE Marks : 40                       SEE Marks : 60

Full Notes




Introduction: Data Communications, Networks, Network Types, Internet History, Standards and Administration, Networks Models: Protocol Layering, TCP/IP Protocol Suite, The OSI model, Introduction to Physical Layer-1: Data and Signals, Digital Signals, Transmission Impairment, Data Rate limits, Performance. Textbook1: Ch 1.1 to 1.5, 2.1 to 2.3, 3.1, 3.3 to 3.6


Digital Transmission: Digital to digital conversion (Only Line coding: Polar, Bipolar and Manchester coding).
Physical Layer-2: Analog to digital conversion (only PCM), Transmission Modes,
Analog Transmission: Digital to analog conversion.
Textbook1: Ch 4.1 to 4.3, 5.1


Bandwidth Utilization: Multiplexing and Spread Spectrum,
Switching: Introduction, Circuit Switched Networks and Packet switching.
Error Detection and Correction: Introduction, Block coding, Cyclic codes, Checksum, Textbook1: Ch 6.1, 6.2, 8.1 to 8.3, 10.1 to 10.4


Data link control: DLC services, Data link layer protocols, Point to Point protocol (Framing, Transition phases only).
Media Access control: Random Access, Controlled Access and Channelization,
Introduction to Data-Link Layer: Introduction, Link-Layer Addressing, ARP
IPv4 Addressing and subnetting: Classful and CIDR addressing, DHCP, NAT
Textbook1: Ch 9.1, 9.2, 11.1, 11.2 11.4, 12.1 to 12.3, 18.4


Wired LANs Ethernet: Ethernet Protocol, Standard Ethernet, Fast Ethernet, Gigabit
Ethernet and 10 Gigabit Ethernet,
Wireless LANs: Introduction, IEEE 802.11 Project and Bluetooth.
Other wireless Networks: Cellular Telephony

Important Questions

Model Paper