What Type of Device Can Be Used to Block Unwanted

question 12

Multiple Choice

 What type of device can be used to block unwanted traffic initiated from the Internet and can also restrict Internet access from an internal network?

• A) hub
• B) switch
• C) firewall
• D) VPN

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Definitions:

Control Group

In experimental research, the group that does not receive the treatment or intervention being tested, serving as a comparison to the experimental group.

Cause-Effect Relationship

A connection between two events where the first event (the cause) makes the second event (the effect) happen.

Correlation

A statistical measure that describes the extent to which two variables change together, but does not imply causation.

Experimenter Bias

A form of bias introduced by the experimenter whose expectations about the outcome of the experiment can be subtly communicated to the participants.