Basics of Ethernet

Duration: 5 min

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Module outline

  1. General Intelligence & Reasoning: Analogy, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Blood Relations, Directions (Direction Test), Ranking, Order and Sequence, Logical Sequence Of Words, Syllogisms, Venn Diagram, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Selection Decision Table (Decision Making), Data Sufficiency, Puzzle Solving (Puzzles), Data Arrangement, Cubes & Dices, Calendar, Clock, Arithmetic, Number System, HCF LCM, Verbal Analogy (Word Based Analogy), Visual Recognition and Figure Completion, Paper Folding and Cutting, Transformation of Shapes, Clocks and Calendars, Direction Sense, Cubes and Dice, Patterns in Two-Dimensional Figures, Seating Arrangements, Analogy and Classification, Logical Deduction and Induction, Alphabet and Word Tests, Mathematical Operations, Series Completion, Simplification and Approximation, Coding and Decoding, Numerical Reasoning, Assembling and Grouping of Shapes, Three-Dimensional Patterns and Visualization, Vocabulary, Number System, Averages, Mixtures and Alligation, Simple and Compound Interest, Percentages, Algebra, Speed, Time and Distance, Seating and Arrangement Puzzles, Traverse Surveying, Order, Ranking and Sequence, Constraint Puzzles, Syllogisms and Venn Diagrams, Reading Comprehension, Critical Reasoning, Permutations and Combinations, Narrative Sequencing, Project Monitoring, Resources and Safety, Profit, Loss and Discount, Ratio and Proportion, Time and Work, Mensuration, Data Interpretation, Powers, Surds and Logarithms, Sequences and Series, Articles and Determiners, Sentence Completion, Data Sufficiency, Blood Relations, Simple Interest and Compound Interest, Mixture and Alligation, Sequence and Series (Series), Speed Time and Distance, Algebra, Profit and Loss, Powers and Exponents (Surds and Indices), Permutation and Combination
  2. General Awareness: Physics, Chemistry, Biology, History, Geography, Polity, Indian Economy, Environment, Static General Knowledge, GK- Current Affairs, Artificial Intelligence, MS Office Applications, Terms & Abbreviations, Keyboard Shortcuts, Evolution of Indian Banking (Banking & Financial Awareness), Emerging Tech Trends
  3. Engineering Mathematics: Set Theory, Relations, Functions, Graph Theory, Group Theory, Propositional and Predicate Logic, Linear Algebra, Calculus, Probability, Statistics, Signal Space and Optimum Detection, Probability, Statistics
  4. Digital Logic: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation, Floating Point Rep, Number Systems and Codes, Registers and Counters, Boolean Algebra and Logic Gates, Microprocessors and Microcontrollers, Logic Families and CMOS Logic, Microprocessors, Logic Gates and Boolean Algebra, Minimization of Boolean Functions, Timing, Hazards and Testing, Logic Families, Combinational Logic Design, Arithmetic Circuits, Waveform Generators and Timer Circuits, Semiconductor Memories and Programmable Logic Devices, Combinational Logic Circuits, Latches and Flip-Flops, Finite State Machines, Sequential Circuits and State Machines, Minimization of Boolean Functions, Arithmetic Circuits, Latches and Flip-Flops, Number Systems and Codes, Registers and Counters
  5. Computer Organisation & Architecture: Basics of COA, Cache Memory Organization, Input Output Organisation, Pipelining, Instr Formats & Modes, Control Unit Design, Programming the Basic Computer, Register Transfer and Microoperations, Semiconductor Memories and Programmable Logic, Processor Organization and Instructions, Memory Hierarchy and Input/Output, Registers and Counters
  6. Programming & Data Structures: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling, Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, HTML Basics, OOPS with C++, Java, Object Oriented Technology
  7. Databases: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, SQL, Relational Calculus, Transaction Management, Concurrency Control, Database Recovery, Database Security & Authorization
  8. Algorithms: Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos
  9. Theory of Computation: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Moore & Mealy Machines, Pushdown Automata & CFG, Turing Machines, Complexity Theory
  10. Compiler Design: Intro to Compilers, Lexical Analysis, Grammar & CFG, Syntax Analysis: Top-Down, Syntax Analysis: Bottom-Up, Semantic Analysis & SDT, Intermediate Code Gen, Code Optimization, Run Time Environment
  11. Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management, Security, Windows OS, Distributed Systems, Unix OS, Linux OS
  12. Computer Networks: Introduction to CN, DLL: Access Control, DLL: Flow Control, DLL: Error Control, DLL: Framing, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Net Layer:Routing Protocol, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware Basics, Data Communication, Website, Browser & Services, Web Design & Development, Network Security, Cyber Threats and Malware Attacks, Cyber Safety and Security
  13. Full Length Mock Tests:
  14. Sectional Tests:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The lecture introduces Ethernet as a family of networking technologies used in local area networks (LANs) and metropolitan area networks (MANs). It covers the historical development of Ethernet, including its commercial introduction in 1980 and standardization as IEEE 802.3 in 1983, replacing competing technologies like token ring and FDDI. The instructor explains the evolution of physical media from coaxial cable in 10BASE5 to twisted pair and fiber optic links, along with the increase in data transfer rates from 2.94 Mbps to 100 Gbps. Key characteristics of Ethernet are discussed, including its use of bus topology, the absence of an acknowledgment mechanism at the data link layer, and the use of Manchester encoding. The lecture concludes with a hierarchical diagram illustrating the evolution of Ethernet speeds, from Standard Ethernet at 10 Mbps to 10 Gigabit Ethernet at 10 Gbps.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The instructor introduces Ethernet as a family of computer networking technologies commonly used in local area networks (LANs) and metropolitan area networks (MANs). The slide titled 'Ethernet' lists four bullet points, including its commercial introduction in 1980 and first standardization in 1983 as IEEE 802.3. The instructor explains that Ethernet eventually replaced competing wired LAN technologies like token ring and FDDI. The text on screen notes that the original 10BASE5 Ethernet used coaxial cable as a shared medium, while newer variants use twisted pair and fiber optic links with hubs or switches. The instructor gestures toward the slide while underlines appear sequentially under key terms like 'LANs', 'MANs', and 'IEEE 802.3'.

  2. 2:00 – 5:00 02:00-05:00

    The lecture continues with the evolution of Ethernet data transfer rates, which have increased from the original 2.94 megabits per second (Mbit/s) to the latest 100 gigabits per second (Gbit/s). The instructor then transitions to a slide listing key characteristics of Ethernet, including that it uses Bus Topology, has no idea of acknowledgement (if an application requires ack, it can send ack as a data packet), uses Manchester encoding techniques, and employs a 48-bit MAC address. The instructor draws simple rectangular diagrams on a whiteboard to illustrate the concept of data packets or frames being sent without an acknowledgment. The slide also mentions IEEE 802.11, though the context is unclear.

  3. 5:00 – 5:16 05:00-05:16

    The final segment covers the evolution of Ethernet speeds and its fundamental characteristics. The instructor lists key features such as backward compatibility, bus topology, and Manchester encoding before transitioning to a hierarchical diagram titled 'Ethernet evolution'. The tree diagram illustrates the progression from Standard Ethernet at 10 Mbps, to Fast Ethernet at 100 Mbps, Gigabit Ethernet at 1 Gbps, and 10 Gigabit Ethernet at 10 Gbps. The instructor points to the speed labels under each Ethernet generation in the diagram, emphasizing the technological progression and speed increases.

The lecture provides a structured overview of Ethernet technology, starting with its historical context and standardization. The instructor uses slides to present key facts about Ethernet's development, including its replacement of competing technologies and the evolution of physical media. The teaching flow moves from historical background to technical characteristics, using visual aids like underlines and whiteboard drawings to emphasize key concepts. The lecture concludes with a hierarchical diagram showing the progression of Ethernet speeds, providing students with a clear understanding of how the technology has evolved over time. The use of both slides and whiteboard illustrations helps reinforce the concepts of bus topology, Manchester encoding, and the lack of acknowledgment mechanisms in Ethernet.

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