Refer to the exhibit. Which two commands must be added to update the configuration of router R1 so that it accepts only encrypted connections? (Choose two.)

Refer to the exhibit. Which two commands must be added to update the configuration of router R1 so that it accepts only encrypted connections? (Choose two.)

A. transport input ssh B. username CNAC secret R!41!3705926@ C. crypto key generate rsa 1024 D. line vty 0 4 E. ip ssh version 2