For huawei OceanStor V3 storage system prefetch strategy, which is true? A . smart prefetching is suit for single data flow reading application, or unable to determine whether the reading application is sequentially scene. B . variable prefetching is suit for fixed-size size sequentially reading application. Such as multi-user streaming media on demand, users use the same stream. C . fixed prefetching is suitable for the database application. D . prefetch not suitable for multi-user multimedia on demand.
In the HyperMetro Active-Active Data Center solution, which of the following statements about the preferred array is correct? A . Specify a preferred access array on the OceanStor Ultra Path B . Specify a preferred access array on the storage array C . Selecting the preferred access array based on the business characteristics by the upper application D . Specify a preferred access array when use the HyperMetro feature.
Under HPUX system has two user volume group: vg01 and vg02, run the following command: vgexport -v -s -p -m/tmp/vg01.map /dev/vg01 and vgexport -v -s -m /tmp/vg01.map /dev/vg02, execute vgdisplay can check which volume group? A . vg01 B . vg02 C . vg01, vg02 D . empty
The customer environment is RedHat 6, and the HBA is Emulex LPe12002. The operating system is powered by Huawei OceanStor V3. When the storage system and the host environment are directly connected to each other, the storage host port can select the P2P topology mode. A . TRUE B . FALSE
Which description of OceanStor V3 remote file system copy is correct? (Multiple choice) A . using the object-based layer way to get the data replication. B . using the ROW-based snapshot periodic ratio way to get the data replication. C . can trigger or trigger system timing synchronization manually by the user. D . support the terminal file system Quota information copy to the slave side and slave side is no need to set allocation Quota.
In the two places but with three-center disaster recovery solutions provided by Huawei, about the relevant network and replication technology’s selection, which of the following combinations are recommended? (Multiple choice) A . Same city Ethernet, asynchronous data replication B . Same city FC networking, synchronous data replication C . remote Ethernet, asynchronous data replication D . offsite FC networking, synchronous data replication