Which of the Following Is NOT True About Network Security

question 36

Multiple Choice

Which of the following is NOT true about network security?

• A) It is not always evident that some type of computer crime or intrusion has occurred.
• B) The best way to protect data is to effectively control access to it.
• C) The most common form of restricting access to data is biometrics.
• D) A secure password uses a mixture of upper- and lower-case letters, as well as numbers and special characters.

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Definitions:

Mean Lifetime

The average length of time that an entity (like a product or component) is expected to last under specified conditions.

Critical Value(s)

Critical values are threshold values that define regions where the test statistic leads to the rejection of the null hypothesis.

Significance Level

The probability of rejecting the null hypothesis in a statistical test when it is actually true, used as a threshold for determining the statistical significance of a result.

Sample Mean

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