The Network Lines That Are Used to Connect Regional ISPs

question 55

Multiple Choice

The network lines that are used to connect regional ISPs to the backbone are usually:

• A)T3 Lines
• B)T1 Lines
• C)LAN Lines
• D)NAPs

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Definitions:

Sampling Distribution

The distribution of a statistic (such as the mean) computed from a sample, over repeated sampling from the same population.

Variability

The extent to which data points differ from each other and from the mean of the data set.

Sampling Distribution

The distribution that indicates the probabilities of a given statistic, which is acquired from a random sample.

T-distribution

A probability distribution used in statistics that arises when estimating the mean of a normally distributed population in situations where the sample size is small and the population standard deviation is unknown.