DNS servers cache name and address pairs for addresses they resolved, and they keep information about name requests that result in error messages. What is this information called?

A. DNS round robin
B. name resolution
C. negative caching
D. IP spoofing

Answer: C

Computer Science & Information Technology

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To join two similar fields in two separate tables:

A) drag the field of one table to the corresponding field in the other table. B) access will automatically link all similar fields. C) double click the field in one table then in the other table. D) hold down the Ctrl key while clicking the two similar fields.

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Unlike the decision tree used in management science, what doesn't the analyst's tree contain?

A) decisions B) conditions C) outcomes D) actions

Computer Science & Information Technology