What do web servers use to track whether a user has previously visited a web site?

A. cookies
B. keylogger
C. scripting language
D. plug-ins


Answer: A

Computer Science & Information Technology

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A. 32 B. 64 C. 48 D. 128

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Fill in the blank(s) with the appropriate word(s).

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Fill in the blank(s) with the appropriate word(s).

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