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Regarding data-level, application-level, and business-level disaster recovery, which of the following statements is correct?
Regarding data-level, application-level, and business-level disaster recovery, which of the following statements is correct?A . Regarding RTO, data-level <application-level <business-level B. Regarding RTO, data-level <business-level <application-level C. Regarding TCO, data-level <application-level <business-level D. Regarding TCO, business-level <data-level <application-levelView AnswerAnswer: C
Xiao Wang, an employee of a company, serves as the administrator of the company's storage system. When he uses two sets of OceanStor5500 V3 as a disaster recovery solution, he only needs one of the OceanStor5500 V3 configuration data to remote replication software.
Xiao Wang, an employee of a company, serves as the administrator of the company's storage system. When he uses two sets of OceanStor5500 V3 as a disaster recovery solution, he only needs one of the OceanStor5500 V3 configuration data to remote replication software.A . True B. FalseView AnswerAnswer: B
Regarding the characteristics of the four disaster recovery modes of active-active, hot standby, warm standby, and cold standby, which of the following statement is wrong?
Regarding the characteristics of the four disaster recovery modes of active-active, hot standby, warm standby, and cold standby, which of the following statement is wrong?A . The RTO time of the data center adopting the cold standby mode is long and unpredictable. B. The data center with the active-active mode...
If a company uses an OLTP database, which migration strategy is suitable for the company's Smart Tier?
If a company uses an OLTP database, which migration strategy is suitable for the company's Smart Tier?A . No migration B. Automatic migration C. Migrate to the high-performance tier D. Migrate to the low-performance tierView AnswerAnswer: C
Regarding the disaster recovery drills, which of the following statement is incorrect?
Regarding the disaster recovery drills, which of the following statement is incorrect?A . Perform the drills in accordance with the real disaster recovery steps. B. Familiarize with the disaster recovery process through disaster recovery, and exercise business recovery capabilities when a disaster strikes C. Through disaster tolerance drills, business integrity...
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 . Recalculation B. Refactoring C. Hot backup D. 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 . True B. FalseView AnswerAnswer: A
The full name of RPO used in disaster recovery backup is:
The full name of RPO used in disaster recovery backup is:A . Return Purchase Order B. Recover Plan Objective C. Restore Point Objective D. Recovery Point ObjectiveView AnswerAnswer: D
Which one of the following options is stored in a narrow-sense storage?
Which one of the following options is stored in a narrow-sense storage?A . Disk B. Disk array C. Disk cabinet D. Tape libraryView AnswerAnswer: A
Hybrid cloud is a solution that uses both private cloud and public cloud at the same time.
Hybrid cloud is a solution that uses both private cloud and public cloud at the same time.A . True B. FalseView AnswerAnswer: A
