Examlex
Fill in the blank. The users of the local network complain that name resolution is not fast enough. Which command shows the time taken to resolve a DNS query? (Specify the command without path.)
Variance
A statistical measure of the dispersion of a set of data points in a data set.
Deviations
The differences between observed values and the average of those values within a dataset.
Mean
The arithmetic average of a set of numbers, calculated as the sum of all values divided by the count of values.
Sample Variance
A measure of the dispersion or variability of a sample dataset, representing how much the data points differ from the sample mean.
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