Multiple choice technology architecture Output of the below expression? COUNT=expr $COUNT + 1 This sets the COUNT variable to the value given by the (+) operator. Concatenates the Given Expression inside Quotes. This adds 1 to the shell variable $COUNT. None. Reveal answer Fill a bubble to check yourself C Correct answer Explanation The expr command evaluates arithmetic expressions. expr $COUNT + 1 adds 1 to the value of COUNT, and the backticks capture this result. The assignment stores the incremented value back into COUNT. This is shell arithmetic increment.