Apenetration tester has written an application that performs a bit-by-bit xor 0xff operation on binaries prior to transmission over untrusted media. which of the following best describes the action performed by this type of application?

Which action is good business etiquette? a. switching your cell phone off before you enter a meeting b. keeping your cell phone on low volume before you enter a meeting c. setting a pleasant ring tone on your cell phone before you enter a meeting d. setting a standard ringtone on your cell phone before you enter a meeting

When you mouse over and click to add a search term this(these) boolean operator(s) is(are) not implied. (select all that apply)?

Ihave been given the number of guns per 100, and the total firearm-related deaths per 100,000. i have to find the actual number of guns per country and actual number of gun-related deaths. if somebody could show me how to do 1 question, i can finish the rest, i am just confused. tia