The Backbone of the Internet Is Formed By

question 9

Multiple Choice

The backbone of the Internet is formed by:

• A) Internet Exchange Points (IXPs).
• B) Tier 1 ISPs.
• C) Network Access Points (NAPs).
• D) Metropolitan Area Exchanges (MAEs).

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Definitions:

Sample Mean

The average value of a sample set of data, calculated by summing all observations and dividing by the number of observations.

Population Mean

The average of all the values in a population; it is a parameter that represents the central point of a population distribution.

Unbiased Estimator

A statistical estimator that, on average, accurately reflects the parameter it estimates, without systematic error.

Sampling Distribution

The likelihood distribution of a statistic derived from a random sample.