A host connected to a switch port cannot belong to multiple zones, but can only be divided into a zone in.

Statement 1: The higher the number used to indicate the RAID level, the higher the overhead.
Statement 2: RAID 10 stripes the data, then mirrors the stripe set.

Regarding the steps of SAN synchronous replication, what is the correct order?
(1) The production storage receives the host write request. HyperReplication logs the request. Only the place is recorded in the log Address information, without recording data content.
(2) HyperReplication waits for both the primary LUN and secondary LUN write processing results to be returned. If both are written successfully, clear Log; otherwise keep the log, enter the abnormal disconnection state, and then copy the corresponding number of the log address again when starting synchronization According to the block.
(3) Write the request to the master LUN and slave LUN. Normally, the LUN is in the write-back state, and the data will be written Cache.
(4) Return the processing result of the host write request, which is subject to the processing result of the write master LUN.

Statement 1: Every time a tape is used to restore data, some data will be lost.
Statement 2: Backup strategies that use tape as backup media typically have a high RTO.

When determining hard disk performance, which of the following are relevant.
(Multiple Choice)