Questions and Answers
Which of the following is a characteristic of DSL internet connections?
What is a key benefit of using broadband cable for internet access?
Mobile services typically allow users to connect to the internet through which means?
Which of the following best describes the use of extranet in an organization?
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What type of internet connection is typically provided as a business-class option by service providers?
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Which internet access technology is known for being 'always on'?
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Why might organizations prefer business DSL over residential DSL?
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What is one disadvantage of using mobile internet services compared to other broadband technologies?
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What technology allows everyday appliances to interconnect within a smart home?
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Which type of internet service is primarily found in rural environments?
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How does powerline networking enable devices to connect to a local area network (LAN)?
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What advantage does using a smart oven provide?
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Which of the following best describes the function of a Wireless Internet Service Provider (WISP)?
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What is a primary function of Wide Area Networks (WANs)?
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What cellular technology is utilized by wireless broadband solutions?
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Which statement accurately describes the relationship between LANs and WANs?
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What is the main limitation of powerline networking?
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What is one major characteristic of the Internet?
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Which broadband option is often less common in urban areas due to competition?
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Which organization is NOT involved in maintaining the structure of the Internet?
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What distinguishes an intranet from the Internet?
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What type of connections do WANs predominantly utilize?
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Which of the following is typically NOT a characteristic of WANs?
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Who is responsible for the allocation of domain names in the Internet structure?
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Study Notes
Extranets
- Extranets provide secure access to organizational networks for users from other organizations, enabling data sharing.
Internet Access Technologies
- Various methods connect users and organizations to the Internet, including broadband cable, DSL, wireless WANs, and mobile services.
- Organizations require faster connections to utilize IP phones, video conferencing, and data centers effectively.
- Business-class interconnections, such as business DSL, leased lines, and Metro Ethernet, are typically provided by service providers.
Home and Small Office Internet Connections
- Cable: Offers a high-bandwidth, always-on Internet connection through cable television providers.
- DSL: Provides a high-bandwidth, always-on Internet connection via telephone lines.
Technology Trends in the Home
- Smart home technology integrates with everyday appliances, allowing devices to communicate (e.g., ovens coordinating cooking times with calendars).
Powerline Networking
- Powerline networking enables LAN connections where traditional data cables or wireless signals are unfeasible, using electrical outlets to transmit data signals.
Wireless Broadband
- Wireless Internet Service Providers (WISPs) offer connections mainly in rural areas, linking users to designated access points.
- Wireless broadband utilizes cellular technology, delivering high-speed bandwidth to devices within a network.
Wide Area Networks (WANs)
- WANs connect multiple LANs over vast geographical areas (cities, states, countries) and are managed by multiple service providers.
- They usually offer slower speed links compared to LANs.
The Internet Overview
- The Internet is a global network of interconnected LANs and WANs, linking them through various transmission methods (copper wires, fiber optics, wireless).
- Not owned by any entity, it has several organizations maintaining structure:
- IETF: Internet Engineering Task Force
- ICANN: Internet Corporation for Assigned Names and Numbers
- IAB: Interactive Advertising Bureau
Intranets and Extranets
- An intranet is a private network of LANs and WANs restricted to an organization’s members or authorized users, contrasting with the open nature of the Internet.
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Description
This quiz explores various internet access technologies, including the use of extranets for secure data sharing between organizations. It discusses the importance of secure communication and connectivity in modern business environments.
