Basics of IP Addressing

Duration: 9 min

This video lesson is available to enrolled students.

Return to /learn/RSSB-BASIC-COMPUTER-INSTRUCTOR/paper-2-data-communication-and-network-security/net-layer-ip-addressing/classful-addr-casting/asset-basics-of-ip-addressing after enrolling

Inside: a video lesson and guided study material.

Module outline

  1. About the Course: About the Course
  2. Paper-1 & 2 | Basic Numeracy: Ratio and Proportion (Ratios), Divisibility Rules, Mixture and Alligation, Permutation and Combination, Logarithm, Number System, HCF LCM, Sequence and Series (Series), Speed Time and Distance, Percentage, Average, Mensuration and Geometry, Age Problems, Arithmetic, Statistics, Probability, Profit and Loss, Simple Interest and Compound Interest, Partnership, Speed Mathematics and Basic Mathematics, Algebra, Powers and Exponents (Surds and Indices), Time and Work, Pipe and Cistern, RSSB Specific Videos - Basic Numeracy
  3. Paper-1 & 2 | Data Interpretation: Data Interpretation
  4. Paper-1 & 2 | General Mental Ability: Mental Ability, RSSB Specific Videos - Mental Ability
  5. Paper-1 & 2 | Logical Reasoning and Analytical Ability: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Syllogisms, Seating Arrangements, Blood Relations, Directions (Direction Test), Analytical Reasoning (Counting Figures Reasoning), Puzzle Solving (Puzzles), Calendar, Clock, Cubes & Dices, Venn Diagram, Analogy, Ranking, Order and Sequence, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Data Arrangement, Logical Sequence Of Words, Crypt Arithmetic
  6. Paper-1 & 2 | Decision Making and Problem Solving: Selection Decision Table (Decision Making)
  7. Paper-1 | General Science: Physics, Biology, Chemistry, RSSB Specific Videos
  8. Paper-1 | General Awareness: State Wise GK, GK- Current Affairs
  9. Paper - 2 | Digital Logic Systems: Digital Systems & Boolean Basics, Logic Gates & Hardware, Combinational Circuit, Sequential Circuits
  10. Paper-2 | Database Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, Relational Calculus, Relational Algebra, SQL, NoSQL
  11. Paper-2 | Data Structures & Algorithms: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Algorithm Analysis, Sorting Algorithms, Intro to Compilers, Hashing
  12. Paper 2 | Data Communication and Network Security: Introduction to CN, Data Communication, Data Link Layer - Ethernet, DLL: Error Control, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Application Layer, Hardware basics, Network Security, Ethical Hacking
  13. Paper-2 | Operating Systems: Introduction to OS, Process Management, Memory Management, File Management, Deadlock
  14. Paper-2 | Computer Organization and Architecture: Basics of COA, Floating Point Rep, Cache Memory Organization, Input Output Organisation, Instr Formats & Modes, Control Unit Design, Register Transfer and Microoperations, Programming the Basic Computer, Number System, Number Representation
  15. Paper 2 | System Analysis and Design: Fundamentals of Systems and Information Systems, Fundamentals of Software Engineering, SDLC and Development Approaches, Software Documentation and Software Requirements Specification (SRS), SDD and Quality Assurance, Security, Risk Management & Maintenance, Software Testing
  16. Paper-2 | C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  17. Paper 2 | OOPS , C++ , JAVA: Language Design, OOPS with C++, Java, .Net Programming, Java Fundamentals
  18. Paper 2 | Python: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis
  19. Emerging Trends and AI: Emerging Tech Trends, Artificial Intelligence
  20. Paper-2 | Data Processing (Ms-Office): MS Office Applications
  21. Paper-2 | Internet and Web Technologies: HTML Basics, CSS, XML, JavaScript-Basics, Internet Fundamentals, Protocols & Services, Web Publishing & Hosting, Server Side & Security, Emerging Technologies, Terms & Abbreviations, Cyber Threats and Malware Attacks, Role of Internet and Web Services, Security in Mobile and Wireless Computing
  22. Paper 2 | Pedagogy: Child Development, Theories, Concept of Pedagogy, Inclusive Education, Experiential Pedagogy, Assessment & Evaluation, Psychology, Curriculum Framework & Reforms, National Education Policy (NEP) 2020
  23. Live Classes: RSSB Live Sessions
  24. Paper 1 - Full Mock Tests:
  25. Paper 2 - Full Mock Tests:
  26. BCI Previous Year Papers:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This lecture introduces the fundamentals of IP addressing, focusing on IPv4 and its limitations. The instructor explains that an IPv4 address is 32 bits in length, which mathematically allows for a maximum of 2^32 (4,294,967,296) unique addresses. While this theoretically supports more than 4 billion devices connecting to the Internet, actual usage is restricted by various network constraints. To address the growing need for more addresses and other IP layer concerns, the lecture introduces IPv6 (IP version 6), a newer design that utilizes 128-bit addresses to provide significantly greater flexibility in address allocation. The core properties of IP addressing are then detailed: an IP address is uniquely and universally defining the connection of a host or router to the Internet. Uniqueness means that each address defines one, and only one, connection at any given time; therefore, two devices on the Internet can never have the same address simultaneously. Universality means that the addressing system must be accepted by any host on the network. Finally, a critical conceptual distinction is made: an IP address represents the address of the connection itself, not the physical host or router. This means that if a device moves to a different network and its connection changes, its IP address will change accordingly.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The lecture begins by introducing IPv4 addresses, stating on the slide that they are '32 bits in length' and allow for a maximum of 2^32 addresses. The instructor explains that this theoretical limit equates to more than 4 billion devices, though actual connected device counts are lower due to network restrictions. The slide also introduces IPv6 (IP version 6) as a new design using '128-bit addresses' to solve address exhaustion.

  2. 2:00 – 5:00 02:00-05:00

    The instructor continues to emphasize the mathematical basis of IPv4, pointing to the specific calculation on the slide showing 2^32 equals 4,294,967,296 devices. The discussion contrasts this theoretical maximum with the practical limitations of current networks. The transition to IPv6 is reinforced as a necessary evolution for greater flexibility in address allocation, with the instructor using hand gestures to highlight the scale of the 128-bit address space.

  3. 5:00 – 8:55 05:00-08:55

    The focus shifts to the fundamental properties of IP addresses. The slide states that an 'IP address is uniquely and universally defining the connection.' The instructor underlines key terms, explaining that uniqueness means two devices can never have the same address at the same time. Universality requires the addressing system to be accepted by any host. A key distinction is made that an IP address belongs to the connection, not the physical device, meaning it changes if a host moves networks.

The lecture progresses from the mathematical structure of IPv4 to its practical limitations and finally to the conceptual nature of IP addressing. By establishing that 32-bit addresses limit the Internet to roughly 4 billion connections, the instructor justifies the introduction of 128-bit IPv6. The most important conceptual takeaway is that IP addresses are assigned to connections rather than physical hardware, ensuring a universal and unique identifier for every active link on the Internet.

Loading lesson…