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Questions and Answers

Which of the following is the most efficient type of network topology?

  • Tree Topology
  • Ring Topology
  • Bus Topology
  • Star Topology (correct)
  • What does a "Gateway" do in a network?

  • It learns the MAC addresses of all devices connected to it
  • It regenerates weak signals
  • It translates data between different networks (correct)
  • It connects two dissimilar LANs on the same protocol
  • What is the purpose of a "Repeater" in a network?

  • To connect two dissimilar LANs on the same protocol
  • To learn the MAC addresses of all devices connected to it
  • To translate data between different networks
  • To regenerate weak signals (correct)
  • Which transmission medium provides the highest bandwidth and is least susceptible to interference?

    <p>Optical Fiber Cable</p> Signup and view all the answers

    Match the following network devices with their corresponding function:

    <p>Hub = Broadcasts received data to all connected nodes Switch = Learns the MAC address of connected devices and forwards data to the intended destination Router = Directs data packets based on logical addresses and routing tables Repeater = Regenerates weakened signals</p> Signup and view all the answers

    The term “DHTML” refers to a specific programming language.

    <p>False</p> Signup and view all the answers

    The <i> and <b> tags in HTML are both paired tags.

    <p>True</p> Signup and view all the answers

    Wireless communication, like radio waves and microwaves, can penetrate solid objects.

    <p>False</p> Signup and view all the answers

    What is the purpose of the <h2> tag in HTML?

    <p>To create a heading of level 2.</p> Signup and view all the answers

    What is the purpose of the <b> tag in HTML?

    <p>To display text in bold.</p> Signup and view all the answers

    A _________ is a collection of linked web pages.

    <p>website</p> Signup and view all the answers

    Which of the following is NOT one of the common types of e-commerce business models?

    <p>Business-to-Everything (B2E)</p> Signup and view all the answers

    Which of the following is a key feature of an e-business?

    <p>Seamless Communication</p> Signup and view all the answers

    Which of the following is NOT a benefit of e-business?

    <p>Decreased customer service costs</p> Signup and view all the answers

    Which of the following is NOT a challenge faced by e-businesses in India?

    <p>High acceptance of credit cards</p> Signup and view all the answers

    Which of the following is a website related to a central government initiative aimed at facilitating business transactions online?

    <p>gem.gov.in</p> Signup and view all the answers

    Which of the following describes a user-friendly front-end of an application?

    <p>It is easy to learn and navigate</p> Signup and view all the answers

    Which of the following components is used to get an option out of several mutually exclusive options where the number of options is small?

    <p>Radio Button</p> Signup and view all the answers

    Which of the following component is used to get an option out of several options where the number of options is large?

    <p>ComboBox</p> Signup and view all the answers

    A password field is used to get some secret textual information like a password or CVV number of a credit card.

    <p>True</p> Signup and view all the answers

    Which of the following is a method used in database management systems to ensure that a set of operations occur as a single unit, ensuring that either all operations are successfully completed or none are completed?

    <p>Transaction</p> Signup and view all the answers

    Which of the following SQL commands is used to modify the structure of a database, such as creating, deleting, or altering tables?

    <p>DDL</p> Signup and view all the answers

    Which of the following is used to display distinct values from a column of a table?

    <p>DISTINCT</p> Signup and view all the answers

    Which of the following SQL commands is used to retrieve data from a table?

    <p>SELECT</p> Signup and view all the answers

    Which of the following SQL commands is used to insert new data into a table?

    <p>INSERT</p> Signup and view all the answers

    Which of the following SQL commands is used to change existing data in a table?

    <p>UPDATE</p> Signup and view all the answers

    Study Notes

    Bureau's Higher Secondary Information Technology (Class XII)

    • Prescribed by the Council of Higher Secondary Education, Odisha, Bhubaneswar
    • Board of Writers: Ranjan Kumar Bal, Ajay Kumar Mishra, Dhruba Charan Pradhan, Nrusingha Charan Samal
    • Published by: The Odisha State Bureau of Textbook Preparation and Production
    • Publication Number: 198
    • ISBN: 978-81-8005-391-7
    • First Edition: 2017/5000
    • Price: ₹120/- (Rupees One Hundred Twenty Only)

    Syllabus (2016)

    • Unit 1: Networking and Open Standards (25 periods / 30 marks)

      • Computer Networking (8 periods / 10 marks)
        • Overview, network devices (hub, switch, bridge, router, repeater, gateway) and their functions
        • Network types (LAN, MAN, WAN, PAN)
        • Network topologies (star, ring, bus, tree), communication media
        • Wired technologies (coaxial, ethernet cable, optical Fiber) and wireless technologies (bluetooth, infrared, microwave, radio link, satellite link)
      • Internet and its Applications (12 periods / 10 marks)
        • Overview, internet backbone, internet access (dial-up, direct, broadband connections), role of ISP
        • Internet protocols (TCP/IP, HTTP, FTP, TELNET, WAIS, GOPHER)
        • Internet addressing (IP address, domain name, MAC (Media Access Control))
        • Internet application (Web browser & search engines, URL, WWW, web pages & web sites, SMS, voice mail, electronic mail, chat, IRC, video conferencing), wireless/mobile communication (GSM, CDMA, WLL, 3G, 4G)
    • Unit 2: Programming (40 periods / 16 marks)

      • Programming Fundamentals (28 periods / 10 marks)
        • Access specifiers for class members, basics of inheritance, common libraries (String methods, Math methods), & MySQL database accessing (ODBC/JDBC)
      • HTML Based Web Pages (12 periods / 6 marks)
        • Basic HTML tags (H1-H6, P, BR, HR, UL, OL, FORM), creating and accessing static and dynamic pages
        • Introduction to XML.
    • Unit 3: Relational Database Management System (30 periods / 14 marks)

      • Review of RDBMS from 1st Year Course
        • Database fundamentals
        • Introduction to MySQL
    • Unit 4: IT Applications (10 periods / 10 marks)

      • e-Business
        • Definition, e-commerce, types of e-commerce, and their benefits
        • Website features, societal impact, and challenges of e-business

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