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Regarding the common protocols used by the storage, which of the following statement is correct?
Regarding the common protocols used by the storage, which of the following statement is correct?A . ATA protocol uses parallel interface, which can only be used internally, and there are requirements for cable length.B . SCSI protocol does not support hot plug.C . A SAS domain can connect 15 devices.D...
In a data center, the downtime is one hour in a year. What is the HA of this data center?
HA (High Availability) refers to the ability to continue to access applications in the event of a single component failure of the local system. In a data center, the downtime is one hour in a year. What is the HA of this data center?A . 0.99999B . 0.9998858C . 0.999999D...
An enterprise adopts cloud primary and backup data-level disaster recovery. During business planning, storage can be divided into two types of LUNs based on actual needs: protected LUNs and unprotected LUNs. VMs that need disaster recovery are created on the protected LUNs, and only configure array replication for protection LUNs to save the storage space requirements of the disaster recovery center.
An enterprise adopts cloud primary and backup data-level disaster recovery. During business planning, storage can be divided into two types of LUNs based on actual needs: protected LUNs and unprotected LUNs. VMs that need disaster recovery are created on the protected LUNs, and only configure array replication for protection LUNs...
LAN Free and Server Free are the backup networking modes that have little impact on host performance.
LAN Free and Server Free are the backup networking modes that have little impact on host performance.A . TrueB . FalseView AnswerAnswer: A
From the perspective of the cloud computing business model, Huawei's network disk belongs to PaaS.
From the perspective of the cloud computing business model, Huawei's network disk belongs to PaaS.A . TrueB . FalseView AnswerAnswer: B
Regarding database-level disaster recovery, which of the following statement is wrong?
Regarding database-level disaster recovery, which of the following statement is wrong?A . Database-level disaster recovery technology is a disaster recovery solution designed for fixed databases.B . Database-level disaster recovery supports WAN, but requires separate hardware support.C . Database-level disaster recovery is mainly achieved by transmitting data logs and replaying them...
The process of regenerating all user data and parity data on the failed disk in the mirror array or RAID array is called:
The process of regenerating all user data and parity data on the failed disk in the mirror array or RAID array is called:A . RecalculationB . RefactoringC . Hot backupD . RecoveryView AnswerAnswer: B
The hard disk domain supports online adding hard disks, and the storage pool supports online expansion.
The hard disk domain supports online adding hard disks, and the storage pool supports online expansion.A . TrueB . FalseView AnswerAnswer: A
Log in to Device Manager
Log in to Device ManagerA . 6->2->3->4->5->1B . 6->3->2->4->5->1C . 3->2->4->5->1->6D . 4->5->2->3->1->6View AnswerAnswer: B
Which one of the following methods can achieve the RTO optimization?
Which one of the following methods can achieve the RTO optimization?A . Disk-diskB . Disk-disk-tapeC . Remote replicationD . Virtual tape libraryView AnswerAnswer: C
