Please choose correct command to add an “emailserver1” host with IP address 10.50.23.90 using GAiA management CLI?

Please choose correct command to add an “emailserver1” host with IP address 10.50.23.90 using GAiA management CLI?
A . host name myHost12 ip-address 10.50.23.90
B . mgmt: add host name ip-address 10.50.23.90
C . add host name emailserver1 ip-address 10.50.23.90
D . mgmt: add host name emailserver1 ip-address 10.50.23.90

Answer: D