In November of 2005 It Was Discovered That Many of the New

question 70

Multiple Choice

In November of 2005 it was discovered that many of the new CDs distributed by Sony BMG installed software when they were played on a computer.The software was intended to protect the CDs from copying.Unfortunately,it also made the computer vulnerable to attack by malware run over the Internet.The scandal and resulting backlash was very costly.The software installed by the CDs is a

• A)virus.
• B)worm.
• C)rootkit.
• D)squirrel.

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Definitions:

Normal Curve

A symmetrical bell-shaped curve that represents the distribution of many types of data in statistics.

Normal Distribution

is a bell-shaped curve that represents the distribution of many types of data, where most values cluster around a central mean or average.

Frequently Occurring

Events or phenomena that happen often or with regularity within a determined period.

50th Percentile

A statistical measure indicating the value below which 50% of the data points in a data set fall.