Course module
Paper 2 | Unit 9 | Data Communication and Computer Networks — UGC NET Computer Science (Paper 1 + Paper 2)
Explore the module outline and lessons below. Enroll free to begin studying here.
Return to /learn/NTA-UGC-NET-PAPER-2/unit-9-data-communication-and-computer-networks after enrolling
- Lessons
- 331
- Duration
- 30 hr 40 min
- PYQs
- 530
- Practice
- 344
7% of this course's PYQ weight is covered in this module.
Syllabus index
Lessons in this module
Introduction to CN
Basics & Criteria
Modes & Connections
Network Topologies
Types of Networks
Switching Techniques
Transmission Media
OSI Model & Layers
- OSI Models & LayersPdf
- Basics of Open System Interconnection OSI modelDrm Video
- Working of Open System Interconnection OSI modelDrm Video
- Basics of Physical Layer with functionality and dutiesDrm Video
- Data Link Layer duties, services and functionalityDrm Video
- Network Layer duties, services and functionalityDrm Video
- Transport Layer duties, services and functionalityDrm Video
- Session Presentation Application Layer duties, servicesDrm Video
Data Communication
Signals & Metrics
Channel Capacity Limits
Encoding & Modulation
DLL: Access Control
DLL Overview & MAC
ALOHA Protocols
CSMA/CA (Wireless)
Controlled Access
DLL: Flow Control
Basics & Delay Analysis
Stop-and-Wait ARQ
Go-Back-N Protocol
Selective Repeat ARQ
DLL: Error Control
Basics & Hamming Dist
- Basics & Hamming DistPdf
- Types of Error - Single Bit Error - Burst ErrorDrm Video
- Idea of Redundancy for Error DetectionDrm Video
- Idea of Block Coding for Error DetectionDrm Video
- Basics of Hamming DistanceDrm Video
- Minimum Hamming Distance for Error DetectionDrm Video
- Minimum Hamming Distance for Error Detection and CorrectionDrm Video
Linear Block Codes
DLL: Framing
Data Link Layer - Ethernet
Overview and Evolution of Ethernet – IEEE 802.3
Ethernet Frame Format – Preamble, SFD
Manchester Encoding – G.E. Thomas, IEEE, and Differential Manchester Schemes
Baud Rate, Bit Rate, and Signal Representation in Ethernet
Net Layer: IPv4 & Proto
Net Layer & IPv4 Basics
Fragmentation & MTU
TTL, Protocol & Checksum
IP Options & Padding
Net Layer: IP Addressing
Classful Addr & Casting
Subnetting & FLSM Design
CIDR & VLSM
- CIDR & VLSMPdf
- Address Depletion in ClassFull AddressingDrm Video
- ClassLess Interdomain Routing - CIDR With ExampleDrm Video
- Rules of Creating CIDR BlockDrm Video
- SubNetting In CIDRDrm Video
- CIDR block representation practice questionDrm Video
- CIDR Practice Question_Drm Video
- CIDR Practice Question_Drm Video
- CIDR Practice Question_Drm Video
- CIDR Practice Question_Drm Video
- CIDR Practice QuestionDrm Video
- Designing subnets for CIDRDrm Video
Net Layer:Routing Protocol
Routing Basics & Flooding
DVR, RIP & Split Horizon
Transport Layer Services
Services, Ports & UDP/TCP
TCP Header & Fields
- TCP Headeers and FieldsPdf
- TCP Header-Source-Destination Port AddressDrm Video
- TCP Header-Sequence Number-Acknowledgement NumberDrm Video
- Idea of Wrap-Around TimeDrm Video
- TCP Header-Header Length FieldDrm Video
- TCP Header-Check Sum FieldDrm Video
- TCP Header-Window Size FieldDrm Video
- TCP Header-Urgent Pointer FieldDrm Video
- TCP Header-Control FlagsDrm Video
- Option Field in TCP HeaderDrm Video
Conn. Mgmt & Reliability
TCP State Transition Diag
TL: Congestion & UDP
Congestion Control Policy
Timers, RTT & SWS
UNIX Socket Programming
UDP Protocol & Header
Application Layer
Email: SMTP, POP & IMAP
WWW Basics & Cookies
HTTP Protocol
FTP, DNS & Telnet
PPP, TCP/IP & VoIP Protocols
Mobile Communication Protocols
Introduction to Web Services
Hardware basics
Repeater, Hub, Bridge & Switch
Router & Gateway
Miscellaneous Topics
Network Security
Basics of Network Security
Encryption Algorithms
Authentication Security
Cloud Computing
Cloud Computing Basics
Cloud Fundamentals & Infrastructure
Cloud Services & Models
Modern Cloud Technologies
- Modern Cloud TechnologiesPdf
- Containers, Docker, KubernetesDrm Video
- Serverless, Microservices, CICDDrm Video
- IaC, Fog Computing, Distributed Cloud, API Gateway, Sevice Mesh, ObservabilityDrm Video
- DBaas, Cloud Bursting, Auto Scaling, Cloud-Native DBs, Green Cloud & Edge ComputingDrm Video
- Parallel vs Distributed ComputingDrm Video
Cloud of Things
Cloud Computing Summary
Module lessons
Previous-year questions
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Explore the course
Previous modulePaper 2 | Unit 8 | Theory of Computation and CompilersNext modulePaper 2 | Unit 10 | Artificial Intelligence
- Course Overview
- Paper - 1 | Unit - 1 | Teaching Aptitude
- Paper - 1 | Unit - 2 | Research Aptitude
- Paper - 1 | Unit - 3 | Comprehension
- Paper - 1 | Unit - 4 | Communication
- Paper - 1 | Unit - 5 | Mathematical Reasoning and Aptitude
- Paper - 1 | Unit - 6 | Logical Reasoning
- Paper - 1 | Unit - 7 | Data Interpretation
- Paper - 1 | Unit - 8 | Information and Communication Technology
- Paper - 1 | Unit - 9 | People Development and Environment
- Paper - 1 | Unit - 10 | Higher Education System
- Paper 2 | Unit 1 | Discrete Structures and Optimization
- Paper 2 | Unit 2 | Computer System Architecture
- Paper 2 | Unit 3 | Programming Languages and Computer Graphics
- Paper 2 | Unit 4 | Database Management Systems
- Paper 2 | Unit 5 | System Software and Operating System
- Paper 2 | Unit 6 | Software Engineering
- Paper 2 | Unit 7 | Data Structures and Algorithms
- Paper 2 | Unit 8 | Theory of Computation and Compilers
- Paper 2 | Unit 10 | Artificial Intelligence
- Live Classes
- Paper 1 | Full Mock Tests
- Paper 2 | Full Mock Tests
- Paper 1 | Previous Year Papers
- Paper 2 | Previous Year Papers