One Way to Guard Against a Hacker Reading a Message

question 5

Multiple Choice

One way to guard against a hacker reading a message sent from one company to another over the Internet is to use:

• A) a firewall
• B) encryption
• C) an intrusion protection device
• D) an incident response procedure

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Definitions:

Squared Deviation

The squared difference between each data point and the mean, used in statistical analysis to measure variance.

Arithmetic Average Return

The sum of returns in each period divided by the number of periods, often used to calculate the average return of an investment.

Multi-year Period

An extended timeframe that spans over multiple years, often used in the context of financial planning or contracts.

Variance

A numerical indicator representing the variance within a dataset, highlighting the extent to which the values deviate from the mean.