Computer Network Practice Questions

  1. Expand the following terms :
    (i) POP3
    (ii) URL
    (i) POP3 – Post Office Protocol 3
    (ii) URL – Uniform Resource Locator
  2. Give one difference between XML and HTML.
    HTML( Hyper text mark Up language)
    We use pre-defined tags
    Static web development language – only focuses on how data looks
    It use for only displaying data, cannot transport data
    Not case sensistive

    XML (Extensible Markup Language)
    we can define our own tags and use them
    Dynamic web development language – as it is used for transporting and storing data
    Case sensitive
  3. Define the term bandwidth with respect to networks.
    Bandwidth is the maximum rate of data transfer over a given transmission medium.
    or
    The amount of information that can be transmitted over a network.
  4. How is http different from https?
    https (Hyper Text Transfer Protocol Secure) is the protocol that uses SSL (Secure Socket Layer) to encrypt data being transmitted over the Internet. Therefore, https helps in secure browsing while http does not.