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• What is bus topology?

  Bus topology is a network type where every computer and device is connected to a single cable.
• How does data transmission occur in bus topology?

  Data is transmitted from one end to another in a single direction.
• What is network topology?

  Network topology refers to the arrangement of nodes and connecting lines in a network.
• What are the various types of network topologies?

  • Bus
  • Ring
  • Star
  • Mesh
  • Hybrid
• What are the types of networks?

  • Local Area Networks (LAN)
  • Personal Area Networks (PAN)
  • Home Area Networks (HAN)
  • Wide Area Networks (WAN)
  • Campus Networks
  • Metropolitan Area Networks (MAN)
  • Enterprise Private Networks
  • Internetworks
  • Backbone Networks (BBN)
  • Global Area Networks (GAN)
  • The Internet
• What is a computer network?

  A computer network is a group of systems and devices linked through communication channels for sharing resources.
• What is ring topology?

  Ring topology forms a ring connecting all devices with exactly two neighboring devices.
• What is the Internet?

  The Internet is a worldwide collection of networks linking millions of users and organizations.
• When did ARPANET become functional?

  ARPANET became functional in September 1969.
• What were the two main goals of ARPANET?

  To allow scientists to share information and to function despite network failures.
• What is star topology?

  In star topology, all devices are connected to a single central hub.
• What is the difference between passive and active hubs in star topology?

  Passive hubs are not intelligent, while active hubs contain repeaters.
• What is mesh topology?

  In mesh topology, every device is connected to another device via a specific channel.
• What is the significance of the year 1984 for ARPANET?

  In 1984, ARPANET had more than 1,000 individual computers linked as hosts.
• What happened in 1986 regarding ARPANET?

  NSF connected NSFnet to ARPANET, leading to the Internet.
• What occurred in 1995 concerning NSFNet?

  NSFNet terminated its network on the Internet and resumed as a research network.
• What is Internet2?

  Internet2 connects more than 200 universities and 115 companies via a high-speed private network.
• What is hybrid topology?

  Hybrid topology is a combination of two or more different topologies.
• What is the World Wide Web?

  • A worldwide collection of electronic documents (Web pages)
  • A Web site is a collection of related Web pages
  • A Web server delivers requested Web pages
• What was Web 1.0?

  Web 1.0 was a read-only web where users could only look for information.
• What does Web 2.0 refer to?

  Web 2.0 refers to websites that allow user interaction.
• What are the types of Internet service providers (ISPs)?

  • Regional ISPs: provide access to specific areas
  • National ISPs: provide access nationwide
  • Online service providers (OSP): offer members-only features
  • Wireless ISPs: provide wireless access
• What is an IP address?

  An IP address is a number that uniquely identifies each device on the Internet.
• What is a domain name?

  A domain name is the text version of an IP address.
• What does a DNS server do?

  A DNS server translates a domain name into its associated IP address.
• What is a URL?

  A URL is a unique address for a web page.
• What are the types of broadband Internet services?

  • Cable Internet service
  • DSL
  • Fiber to the Premises (FTTP)
  • Fixed wireless
  • Cellular
  • Radio Network
  • Wi-Fi
  • Satellite Internet Service
• What is the function of a web browser?

  A web browser allows users to access web pages and web applications.
• What is tabbed browsing?

  Tabbed browsing allows users to open multiple web pages in a single browser window.
• What are the two types of search tools?

  • Search engines: find information on specific topics
  • Subject directories: classify web pages in organized categories
• What is a home page?

  A home page is the first page displayed by a website.
• What is a graphic?

  A graphic is a digital representation of non-text information.
• What is downloading?

  Downloading is the process of receiving information from the Internet.
• What are graphic formats?

  Graphic formats include BMP, GIF, JPEG, PNG, and TIFF.
• What is multimedia?

  Multimedia refers to applications that combine text with other forms of content.
• What is a thumbnail?

  A thumbnail is a small version of a larger graphic.
• What is virtual reality (VR)?

  Virtual reality is the use of computers to simulate a real or imagined environment.
• What is a plug-in?

  A plug-in is a program that extends the capability of a web browser.
• What is animation?

  Animation is the appearance of motion created by displaying a series of still images in sequence.
• What is streaming?

  Streaming is the process of transferring data in a continuous flow.