Course module

Data Communication & Networking (IT Specialist) — NIACL AO 2026 IT SPECIALIST

Lessons
323
Duration
26 hr 48 min
PYQs
280
Practice
1471

6% of this course's PYQ weight is covered in this module.

Syllabus index

Lessons in this module

Introduction to CN

Multi-Topic Content (Cross-Concept Material)

  1. Networking & Security NotesPdf

Data Communication

Channel Capacity Limits

  1. Channel Capacity LimitsPdf

Encoding & Modulation

  1. Encoding & ModulationPdf

DLL: Access Control

DLL: Flow Control

DLL: Error Control

Multi-Topic Content (Cross-Concept Material)

  1. Mix question on Data Link Layer Error Control notesPdf

DLL: Framing

Multi-Topic Content (Cross-Concept Material)

  1. Mix question on Data Link Layer Framing notesPdf

Data Link Layer - Ethernet

Manchester Encoding – G.E. Thomas, IEEE, and Differential Manchester Schemes

  1. Manchester Encoding – G.E. Thomas, IEEE, and Differential Manchester SchemesPdf
  2. Manchester CodingDrm Video

Baud Rate, Bit Rate, and Signal Representation in Ethernet

  1. Baud Rate, Bit Rate, and Signal Representation in EthernetPdf

Multi-Topic Content (Cross-Concept Material)

  1. Mix Question on Data Link Layer Ethernet notesPdf

Net Layer: IPv4 & Proto

Multi-Topic Content (Cross-Concept Material)

  1. Mix Question on Network Layer(Basics and Protocols) notesPdf

Net Layer: IP Addressing

Net Layer:Routing Protocol

Multi-Topic Content (Cross-Concept Material)

  1. Network Layer - Routing Protocols ( Mix Numericals) notesPdf

Transport Layer Services

Multi-Topic Content (Cross-Concept Material)

  1. Mix question on Transport Layer(Basics and Protocol) notesPdf

TL: Congestion & UDP

Multi-Topic Content (Cross-Concept Material)

  1. Mix Question on Transport Layer- Congestion Control notesPdf

Application Layer

Hardware basics

Network Security

Cyber and Info Security

Basics of Cyber Security

  1. Introduction to Cyber SecurityPdf

Cyber Threats & Attacks

  1. Cyber SecurityDrm Video

Previous-year questions

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