Which of the following would be used to implement digital phone service inside of a large company?

________ arranges records in a table by the value in field(s) within a table

Fill in the blank(s) with correct word

Which choice is not a proper method of managing keys?

A. Memory locations of keys should be overwritten seven times. B. Keys may be sent to and reused by a different department. C. Keys frequently in use should be replaced frequently. D. Key expiration dates should be carefully monitored.