Which Statement Is True of Firewalls

question 19

Multiple Choice

Which statement is true of firewalls?

• A)They protect against external access, but they leave networks unprotected from internal intrusions.
• B)They can identify attack signatures, trace patterns, and generate alarms for a network administrator.
• C)They monitor network traffic and use the "prevent, detect, and react" approach to security.
• D)They cause routers to terminate connections with suspicious sources.

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Definitions:

Normal Distribution

A bell-shaped probability distribution that is symmetric about the mean, describing how continuous data is dispersed around the average value.

Standard Deviation

A gauge for determining the level of difference or scattering in a series of amounts.

Mean High Temperature

The average of the highest temperatures observed over a specified period.

Normal Distribution

A symmetric, bell-shaped distribution of values in which the mean, median, and mode are all equal and located at the center of the distribution.