In the NAS architecture environment, three hosts simultaneously read and write to a disk partition will bring about the problem of written data consistency.

What is the networking method of FC SAN? (Multiple choice)

What are the authentication methods of CIFS? (Multiple Choice)

Without hot backup, how many bad disks can raid 5 tolerate at most?

Which of the following two descriptions is correct?
Description 1: Synchronous remote replication. When the primary storage fails, the amount of data loss can be zero.
Description 2: When the host is a Linux-based file system, asynchronous remote replication must be used.