Which carrier sense technology is used on wireless networks to reduce collisions?

Jenna updated her status on a social network regarding her upcoming vacation. what information should jenna not provide when updating her status on a social networking site? a. her favorite quote b. her likes in popular culture c. her routine d. her opinions on social issues res

These factors limit the ability to attach files to e-mail messages. location of sender recipient's ability to open file size of file type of operating system used

Me and category do i put them in because this is science