When an investor places a ________ order, he agrees to buy or sell at the best available price when the trade is executed

Identify the mode of the set of data below: 12 34 26 31 24 37 26 31 29 42 28 17 26 30 17

a. 26 b. 12 c. 31 d. 17

Which data retention solution should be applied to a file in order to reduce the data footprint by deleting fixed content and duplicate data?

A. Backup B. Caching C. Archiving D. Saving