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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 OrderB . Recover Plan ObjectiveC . Restore Point ObjectiveD . Recovery Point ObjectiveView AnswerAnswer: D
For random accessing to mechanical disks, the biggest impact on the time taken to complete an IO is:
For random accessing to mechanical disks, the biggest impact on the time taken to complete an IO is:A . Seek timeB . Rotation delayC . Data transfer timeView AnswerAnswer: A
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
In Huawei OceanStor V3, what unit does Thick LUN apply for space from the storage system?
In Huawei OceanStor V3, what unit does Thick LUN apply for space from the storage system?A . grainB . chunkC . stripeD . extentView AnswerAnswer: D
A certain bank will launch a set of business systems, which have very high performance and security requirements. The database uses an Oracle database and plans to deploy the Oracle database to a storage system. Then, when creating a RAID group for the Oracle database, the optimal RAID strategy should be:
A certain bank will launch a set of business systems, which have very high performance and security requirements. The database uses an Oracle database and plans to deploy the Oracle database to a storage system. Then, when creating a RAID group for the Oracle database, the optimal RAID strategy should...
Which type of backup do you recommend?
A company needs to make a backup strategy. The company has a small amount of backup data and hopes to back up in a short time and save storage space to the utmost extent. Which type of backup do you recommend?A . Full backupB . Cumulative incremental backupC . Differential...
Most of the data generated by the Internet industry is structured data, and this part of the data accounts for about 80% of the total amount of data.
Most of the data generated by the Internet industry is structured data, and this part of the data accounts for about 80% of the total amount of data.A . TrueB . FalseView AnswerAnswer: B
SmartThin is a storage space management technology provided by Huawei OceanStor V3 storage system that allocates storage resources on demand. Based on virtualization technology, SmartThin reduces the deployment of physical storage resources and maximizes the utilization of storage space.
SmartThin is a storage space management technology provided by Huawei OceanStor V3 storage system that allocates storage resources on demand. Based on virtualization technology, SmartThin reduces the deployment of physical storage resources and maximizes the utilization of storage space.A . TrueB . FalseView AnswerAnswer: A
When deploying random small IO-based database services on storage, which RAID type should be more appropriate? Why?
When deploying random small IO-based database services on storage, which RAID type should be more appropriate? Why?A . RAID 10, no write penaltyB . RAID 5, no write penaltyC . RAID 10, no read penaltyD . RAID 5, no read penaltyView AnswerAnswer: A
Statement 1: A RAID composed of several hard disks is called a physical volume.
Statement 1: A RAID composed of several hard disks is called a physical volume. Statement 2: RAID 5 can increase the read and write speed and provide a certain degree of data security, but when a single hard disk fails, the read and write performance will be greatly reduced.A ....
