What is the term used for the activity of rendering data useless to anyone who might wrongfully intercept it?

Samson, Inc had the following balances and transactions during 2017:

Beginning Merchandise Inventory 15 units at $92 March 10 Sold 12 units June 10 Purchased 45 units at $98 October 30 Sold 39 units What is the amount of the company's Merchandise Inventory, as disclosed in the December 31, 2017 balance sheet as per the periodic FIFO inventory costing method? A) $552 B) $588 C) $9,016 D) $882

In recommendation letters, comparing the candidate's potential to that of his or her peers

A) should be avoided, since it opens the door to legal action. B) is unprofessional because it distracts attention from the candidate you are recommending. C) helps the recipient evaluate the candidate more effectively. D) is a good idea, even if you have only a "gut feeling" about how the candidate stacks up. E) almost always reduces the candidate's chances of landing the job.