Which IPv4 subnetted addresses represent valid host addresses? (Choose three.)

172.16.4.127 /26
172.16.4.155 /26
172.16.4.193 /26
172.16.4.95 /27
172.16.4.159 /27
172.16.4.207 /27

ccna exploration 1 chapter 6 Exam Question And Answers 

Which IPv4 subnetted addresses represent valid host addresses? (Choose three.)