For SQL Server 2005 and 2008, user can connect to the database engine of a specified server through the SQL Server Management Studio tool. Which kind of connection authentication requires the user ID and password for login while connecting the database through the client application?
A. SQL Server Authentication
B. Windows authentication
C. When login as a super user
D. Others
Database applications are one of the important applications supporting storage arrays. Different application configurations and parameter settings may affect the service performance. In order to store arrays (such as OceanStor V3 series storage) with SQL server applications with the best performance, which of the following statements is wrong:
A. OLTP database generally have a large number of random write, it is recommended to choose RAID 10 to store data.
B. In order to improve write performance, all SQL server database data stored in the LUN write strategy is configured to "write back the image".
C. Because the size of the SQL server page is 8K, in order to ensure the best performance of the database, NTFS allocated block size should not be less than 8KB.
D. SQL Server database instance memory size and recovery mode of choice has no effect on the performance of the database.
A customer needs to create an OLAP backup database for batch importing online database data at night. The database software is SQL Server 2008. The data file size is 20 TB. The storage system is OceanStor V3. The stable write throughput is required to reach 1800 MB/s. Which configuration best meets customer requirements?
A. Use 2 TB NL-SAS disks and configure RAID 6 (8D+2P).
B. Use 2 TB NL-SAS disks and configure RAID 5 (8D+1P).
C. Use 600 GB 15k rpm SAS disks and configure RAID 5 (8D+1P).
D. Use 600 GB 15k rpm SAS disks and configure RAID 10.
A Simpana client fails to perform a backup. When you view the status of the task, it reported the following error "library, media Agent, Drive pool, Media: mount path is offline: please check if the mount path is online and accessible ".
What may can be the cause of this problem?
A. Client offline
B. Media Services Offline
C. The client cannot resolve the media server host name
D. backup media failure
Simpana client failed to the perform backup task. When you view the task status, it reports the following
error: libary mediaagent drive pool media
[]: Mount path is offlline advice: please check if the mount path is online and accessible "
What can cause this?
A. Client offline
B. Media Server Offline
C. The client can not resolve the media server host name
D. backup media failure
In a client application scenario, IO business model for the random read, the IO size is about 100K, and the depth of the storage array LUN stripe set to______.
A. 8K
B. 16K
C. 64K
D. 128K
Customers need to migrate 10TB service data from a manufacturer's mid-tier storage to Huawei OceanStor S5600T (V100R005), storage array, A total of 120 LUN carrying oracle, ESXI virtual machine business plans to use VIS6000T local image data migration. Based on this, which of the following is incorrect?
A. Check the compatibility list of the VIS 6000T to determine if all the storage devices are compatible with the VIS6000T
B. Check the number of fiber switch ports to ensure that each node and switch VIS6000T redundant links
C. Check if there is enough room for DCO configuration
D. Confirm that heterogeneous common storage multipathing software and Ultrapath multipathing must be compatible
Which of the following is a description of the WORM feature of OceanStor V3: (Multiple choice) A. When the file is locked, the file protection time can be extended or shortened by manual operation
B. Locked file system WORM clock is greater than the file atime value, the file will be in an expired state
C. When the file is in an append state, after the legal clock of the WORM file system exceeds the file expiration time, the file is moved Moved to expired status
D. When the size of the file is 0 bytes, the lock state can be migrated to the additional state
Which of the following is NOT correct regarding the backup RMAN?
A. Backup slice size is unlimited, but its size can be set by maxpiecesize
B. The backup piece is a binary file used to store the backup set information
C. One or more backup pieces form a backup set
D. A backup piece corresponds to a separate input output file
Which statements are true about Huawei OceanStor V3 HyperMirror feature? (Multiple Choice)
A. Create a mirror LUN for a common LUN. Due to internal information exchange, the LUN ID for hosts' read and write I/Os changes based on the information exchange result.
B. A LUN stores 2 GB of data. Create a mirror LUN for this LUN. During the creation, the system automatically generates a copy. The total data amount of the copy and mirror LUN is 4 GB.
C. HyperMirror can be configured for external LUNs, and external LUNs can be configured as HyperMirror copies.
D. When configuring HyperMirror, its copies must come from different disk domains.