What protocol is used by an ESXi host to communicate with NAS devices? 04/07/2017 – by Mod_GuideK 0 What protocol is used by an ESXi host to communicate with NAS devices? A. iSCSI B. CIFS C. NFS D. SMB SHOW ANSWERSCorrect Answer: C Explanation/Reference: Many NAS devices support CIFS, SMB and NFS for file shares. However, NFS is the only supported protocol for ESX.