Types of Internet Services

Duration: 4 min

This video lesson is available to enrolled students.

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Inside: a video lesson and guided study material.

Module outline

  1. About the course: About the Course
  2. General Knowledge: Polity, Physics, Biology, State Wise GK, Chemistry, History, Geography, GK- Current Affairs, Indian Economy, Static General Knowledge, Environment, Evolution of Indian Banking (Banking & Financial Awareness)
  3. Mental Aptitude and Reasoning: Ratio and Proportion (Ratios), Divisibility Rules, Data Interpretation, Permutation and Combination, Number System, Sequence and Series (Series), Speed Time and Distance, Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Vocabulary, Profit and Loss, Arithmetic, Mental Ability, Percentage, Algebra, Mensuration and Geometry, Age Problems, Clock, Calendar, Verbal Analogy (Word Based Analogy), Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Analogy, Analytical Reasoning (Counting Figures Reasoning), Puzzle Solving (Puzzles), Selection Decision Table (Decision Making), Cubes & Dices, Blood Relations, Venn Diagram, Logical Sequence Of Words, Inequality, Directions (Direction Test), Data Arrangement, Facts, Inference and Judgements, Syllogisms, Seating Arrangements, Ranking, Order and Sequence
  4. CS | Computer Fundamentals: Basics of COA, Number System, Number Representation, C Fundamentals, Algorithm Analysis, Input Output Organisation
  5. CS | Database Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, SQL
  6. CS | Workplace productivity Tools: MS Office Applications, Keyboard Shortcuts
  7. CS | Computer Networks: Introduction to CN, Data Communication, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Transport Layer Services, Application Layer, Hardware Basics, Network Security
  8. CS | The Internet: Website, Browser & Services, Internet Fundamentals, Web Design & Development, Web Publishing & Hosting, Server Side & Security, Emerging Technologies
  9. CS | Emerging Technologies: Artificial Intelligence, Emerging Tech Trends, Introduction to OS, Windows OS, Linux OS, Unix OS, JavaScript-Basics
  10. CS | Boolean algebra: Digital Systems & Boolean Basics, Boolean Expression, Boolean Minimization, Logic Gates & Hardware
  11. CS | Data Structures: Introduction to DS, Array, Stack, Queue
  12. CS | Cryptography: Society, Law & Ethics, Cyber Threats and Malware Attacks, Role of Internet and Web Services, Security in Mobile and Wireless Computing, Electronic Data Interchange and E-Commerce, Physical Security and Cryptography Basics, Intrusion Detection Systems (IDS), Cyber Safety and Security
  13. UP Police Previous Year Papers:
  14. UP Police Full Mock Tests:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This educational video introduces the fundamental concept of Internet services, defining them as essential tools required to access and exchange large amounts of data such as software, audio clips, video clips, text files, and other documents. The lecture displays a slide listing commonly used internet services, including Communication Services, Information Retrieval Services, File Transfer, World Wide Web Services, Web Services, Directory Services, Automatic Network Address Configuration, Network Management Services, Time Services, Usenet, NewsGroup, and Ecommerce. The instructor systematically annotates this list with handwritten notes to provide concrete examples and technical protocols associated with each service type, ensuring students understand the practical application of each term.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The instructor begins by highlighting the first few items on the list to establish context. She places a checkmark next to Communication Services and writes Chat, Video call, VoIP call to illustrate real-world applications of this category. Next, she annotates Information Retrieval Services with (Chrome - Surfing) (Browsing) to explain how users access information via browsers. She then draws an arrow next to File Transfer and writes Upload / Download to describe the bidirectional data movement. Finally, she annotates World Wide Web Services with Web pages and provides the specific example www.wikipedia.org to demonstrate the service in action.

  2. 2:00 – 4:19 02:00-04:19

    The lecture continues with the remaining services on the slide. The instructor checks Web Services and annotates Directory Services with (Domain Name) to clarify its function. She writes DHCP next to Automatic Network Address Configuration to identify the specific protocol used for IP assignment. For Network Management Services, she writes PING as a common example tool used for connectivity testing. She concludes by placing checkmarks next to Usenet, NewsGroup, and Ecommerce, indicating their inclusion in the list of internet services and wrapping up the overview. This section solidifies the understanding of network management and directory functions.

The video provides a structured overview of internet services, moving from general definitions to specific examples. By annotating the slide, the instructor connects abstract service names like Directory Services or Automatic Network Address Configuration to practical concepts like Domain Name and DHCP. This visual reinforcement helps students understand the function of each service, such as using Chat for communication or Upload/Download for file transfer. The progression from top to bottom ensures a comprehensive coverage of the topic, ending with broader categories like Ecommerce, effectively summarizing the ecosystem of internet services. The annotations serve as a quick reference guide for students to recall key protocols and applications during their studies.

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