问题：

[多选] Which two statements about FCIP and iSCSI are correct？（）

A .  The FCIP stack supports file-level storage for remote devices.
B .  Both require high throughput with low latency and low jitter.
C .  The purpose of FCIP is to provide connectivity between host and storage.
D .  The iSCSI stack supports block-level storage for remote devices.
E .  The purpose of iSCSI is to provide connectivity between separate wide-area SANs.