Data Communication

Geeks For Geeks

UNIT 1: Data Communication Fundamentals

• Data Communication Characteristics
• Communication Model
• Data Flow
• Data Representation
• Analog and Digital Data
• Analog and Digital Signals
• Bit Rate
  • Nyquist Bit Rate
  • Shannon Capacity
• Data Transmission Modes
  • Parallel Transmission
  • Serial Transmission
• Transmission Impairments
• Transmission Media
  • Guided Transmission
  • Unguided Transmission

UNIT 2: Signal Conversion & Multiplexing

• Digital-to-Digital Conversion
  • NRZ
  • Manchester
• Analog-to-Digital Conversion
  • Sampling
  • PCM
  • Quantization
• Digital-to-Analog Conversion
  • ASK
  • FSK
  • PSK
• Multiplexing
  • Frequency Division Multiplexing
  • Time Division Multiplexing
  • De-Multiplexing
• Modulation and Demodulation

UNIT 3: Networking Fundamentals

• Network Components
• Network Topologies
• Network Categories
  • LAN
  • WAN
  • MAN
• Network Models
  • OSI Reference Model
  • IP Model
• Network Switching
  • Circuit Switched Networks
  • Datagram Networks
  • Virtual Circuit Networks
• Routing

UNIT 4: Addressing & Protocols

• Network Addressing
  • Physical Addressing
  • Logical Addressing
  • Subnetting
  • IPV4
  • Classful Addressing
• Network Protocols
  • HTTP
  • FTP
  • SMTP
  • SNMP
  • DNS
• Error Detection and Correction
  • Hamming Distance
  • Parity Check
  • Cyclic Redundancy Check
  • Checksum

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