What is Responsive Design and why is mobile web an important element of web design?

What type of computer network ensures high security ?

Im doing this last minute and literally none of my neighbors or people that my dad works with use excel so if anyone could me make up an example

Leo is a recruitment executive for a large company. he has identified new labor resource requirements in both the marketing and production departments. what should be his first step in recruiting candidates for the positions? a. conduct background checks of candidates b. make job offers c. arrange interviews d. conduct reference checks e. place job ads on job sites