What is true regarding media access control? (Choose three.)

Ethernet utilizes CSMA/CD
defined as placement of data frames on the media
contention-based access is also known as deterministic
802.11 utilizes CSMA/CD
Data Link layer protocols define the rules for access to different media
controlled access contains data collisions

ccna exploration 1 chapter 7 Exam Question And Answers 

What is true regarding media access control? (Choose three.)