Which of the following is a secure method for file transfer to a network device?

According to operator precedence, the correct order of mathematical operations is ________

A) addition or subtraction; multiplication or division; parentheses B) parentheses; addition or subtraction; multiplication or division C) parentheses; multiplication or division; addition or subtraction D) multiplication or division; addition or subtraction; parentheses

To program an app on an iPhone, a programmer would use a programming language named ____, which is similar to the Objective-C language. ? Eclipse

A. Notepad B. Eclipse C. Visual Studio D. Swift