Company.com is considering converting from IPAT via replacement to IPAT via IP aliasing. What condition of IPAT via IP aliasing must be taken into consideration？（）

A.The clients must support gratuitous ARP.

B.The network type must support gratuitous ARP.

C.Additional TCP/IP interfaces must be allocated for backup in case of failure.

D.Using IPAT via IP aliasing will reduce the number of rotating resource groups that can be used.