Storage Virtualisation

Duration: 1 min

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Module outline

  1. Quantitative Ability: Percentage, Profit and Loss, Ratio and Proportion (Ratios), Average, Time and Work, Speed Time and Distance, Simple Interest and Compound Interest, Age Problems, Number System, Divisibility Rules, HCF LCM, Algebra, Permutation and Combination, Probability, Data Interpretation, Logarithm, Sequence and Series (Series), Powers and Exponents (Surds and Indices), Speed Mathematics and Basic Mathematics
  2. Logical Reasoning: Seating Arrangements, Puzzle Solving (Puzzles), Data Arrangement, Coding Decoding, Blood Relations, Directions (Direction Test), Ranking, Order and Sequence, Data Sufficiency, Venn Diagram, Inequality, Series (Number and Letter Series) (Numerical Relations and Reasoning), Logical Sequence Of Words, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Selection Decision Table (Decision Making), Analogy, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning)
  3. Verbal Ability: Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Subject Verb Agreement (Verb Noun Agreement), Tenses, Articles, Preposition, Conjunction, Modals, Active Passive Voice (Voice), Direct and Indirect Speech, Vocabulary, Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Sentence Completion (Fill in the blanks), Sentence Correction (Error Correction), Cloze Test (Cloze Passage), Facts, Inference and Judgements
  4. Programming Fundamentals (Technical): C Fundamentals
  5. Data Structures (Technical): Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  6. Algorithms (Technical): Algorithm Analysis, Sorting Algorithms, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Time Complexity Analysis, Advanced Algorithms
  7. OOPs (Technical): Object Oriented Programming (OOPS)
  8. DBMS (Technical): Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, Relational Calculus, Transaction Management, Concurrency Control, Database Recovery, ORDBMS, Database Security & Authorization, Query Processing & Optimization, Enhanced Data Models, Data Warehousing & Mining, Big Data Systems, NoSQL
  9. SQL (Technical): SQL
  10. Operating Systems (Technical): Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Deadlock, Threads & Process Creation, Memory Management, Virtual Memory, Disc Scheduling, File Management, Windows OS, Linux OS, Security, Distributed Systems, Virtual Machines
  11. Computer Networks (Technical): Introduction to CN, Data Communication, 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, Network Security, Mobile Technology, Cloud Computing and IoT, Cyber and Info Security
  12. Software Engineering (Technical): Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  13. Coding/Automata Round: Coding Questions by Yash Sir, C Programming by Yash Sir, Programming in C++, Java, Python for Placements by Yash Sir, Pseudo Codes
  14. Personality / Behavioral Assessment: Behavioral Assessment (Behavioral Competency Profiling) (Psychometric Test)
  15. Writing Assessment: English Writing Ability
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The video presents a lecture on storage virtualization, explaining that it involves consolidating multiple physical storage devices into a single, logical storage unit. The on-screen text highlights key benefits such as increased performance, speed, load balancing, and reduced costs. It also emphasizes the role of storage virtualization in disaster recovery, as data can be duplicated and quickly transferred to another location, reducing downtime. The instructor uses a digital pen to draw a diagram illustrating multiple physical storage devices being combined into a single logical unit, visually reinforcing the concept. The lecture is part of a larger presentation, as indicated by the transition to the next topic, 'Network Virtualization,' at the end of the clip.

Chapters

  1. 0:00 – 0:43 00:00-00:43

    The video displays a presentation slide titled 'C. Storage Virtualization' with bullet points explaining the concept. The first point states that storage can be virtualized by consolidating multiple physical storage devices to appear as a single device. The second point lists benefits like increased performance, speed, load balancing, and reduced costs. The third point discusses disaster recovery, noting that virtual storage data can be duplicated and transferred to reduce downtime. The instructor uses a digital pen to draw a diagram of multiple physical storage units being combined into a single logical unit, with an arrow indicating the consolidation process. The text 'HDFS' is written above the diagram. The slide transitions to the next topic, 'D. Network Virtualization,' at the end of the clip.

The lecture effectively explains storage virtualization by first defining it as the consolidation of multiple physical storage devices into a single logical unit. It then outlines the key benefits, including performance improvements, load balancing, and cost reduction. The instructor reinforces the concept with a visual diagram, showing how separate physical devices are combined. The discussion also highlights the importance of storage virtualization for disaster recovery, emphasizing data duplication and quick transfer to minimize downtime. This foundational concept is presented as a key component of modern storage management, setting the stage for the subsequent topic on network virtualization.

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