Course module
Paper 2 | Data Communication and Network Security — RSSB (Senior Computer Instructor)
- Lessons
- 290
- Duration
- 28 hr 9 min
- PYQs
- 350
- Practice
- 734
5% 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
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
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
TL: Congestion & UDP
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
Cryptography
Encryption Algorithms
Authentication Security
Ethical Hacking
Ethical Hacking & Phases
Wireless Network Hacking
Virus Lifecycle
Password Cracking Techniques
Module lessons
Previous-year questions
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Explore the course
- About the Course
- Paper-1 & 2 | Basic Numeracy
- Paper-1 & 2 | Data Interpretation
- Paper-1 & 2 | General Mental Ability
- Paper-1 & 2 | Logical Reasoning and Analytical Ability
- Paper-1 & 2 | Decision Making and Problem Solving
- Paper-1 | General Science
- Paper-1 | General Awareness
- Paper-2 | Fundamentals of Computer
- Paper - 2 | Digital Logic Systems
- Paper-2 | Operating Systems
- Paper-2 | Database Management System
- Paper-2 | Data Structures
- Paper-2 | C Programming
- Paper 2 | Oops, C++, Java
- Paper 2 | Python
- Paper 2 | Emerging Trends and AI
- Paper-2 | Algorithms
- Paper-2 I Software Engineering
- Paper-2 | Computer Organization and Architecture
- Paper-2 | Web Development
- Pedagogy
- Live Sessions
- RSSB Paper 1 - Full Mock Tests
- RSSB Paper 2 - Full Mock Tests
- SCI Previous Year Papers
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