Which of the following statements are correct about the protocol layer of Huawei's distributed storage products? (Multiple choice)

Which of the following statements are correct about the protocol layer of Huawei’s distributed storage products? (Multiple choice)

Which of the following statements are correct about the protocol layer of Huawei’s distributed storage products? (Multiple choice)
A . Support big data HDFS access
B . Objects support S3/Swift access
C . File NFS access is not supported
D . Block supports iSCSI protocol

Answer: ABD