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4A0-102 · Question #7

Which of the following statements regarding the Internet is FALSE?

The correct answer is C. It is a settlement-free global network that provides interconnection between Internet service providers. Option C is false because the Internet is not settlement-free - ISPs have complex financial relationships involving transit agreements (where smaller ISPs pay larger/upstream ISPs for access) and peering agreements (which may or may not involve payment depending on traffic…

BGP Fundamentals

Question

Which of the following statements regarding the Internet is FALSE?

Options

  • AIt is a global network relying on interconnections provided by Internet service providers.
  • BIt is a continuous and interconnected set of public IP networks, advertised and shared across the globe.
  • CIt is a settlement-free global network that provides interconnection between Internet service providers.
  • DIt is a network that allows any Internet service provider to reach every other Internet service provider in the world.

How the community answered

(45 responses)
  • A
    4% (2)
  • B
    2% (1)
  • C
    93% (42)

Explanation

Option C is false because the Internet is not settlement-free - ISPs have complex financial relationships involving transit agreements (where smaller ISPs pay larger/upstream ISPs for access) and peering agreements (which may or may not involve payment depending on traffic balance). The term "settlement-free" applies only to specific bilateral peering arrangements between networks of roughly equal size, not to the Internet as a whole.

Options A, B, and D are all accurate descriptions: the Internet genuinely is a global network built on ISP interconnections (A), it operates as a collection of public IP networks advertised via routing protocols like BGP (B), and by design it enables any ISP to reach any other ISP worldwide (D).

Memory tip: Think about your monthly internet bill - you pay your ISP, and your ISP pays upstream providers. Money changes hands throughout the hierarchy, so the Internet cannot be "settlement-free." If you see "settlement-free" applied to the entire Internet, that's your red flag.

Topics

#ISP Interconnection#Peering Models#Settlement-Free Peering#Internet Architecture

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