先試後買

A. eService

B. eSight

C. Decanstor DJ

D. DeviceManager

A. FALSE

B. TRUE

A. In the dual-switch network farm, each application server has multiple paths to the storage, providing link redundancy and avoiding a single point of failure in the network

B. The application server is directly connected to the AB controller of the storage through two optical fibers, and the path connecting the application server to the LUN's home controller is the optimal path

C. In a single-switch networking scenario, access through switches can extend the data transmission distance

D. In the morning of a single-switch network, the switch becomes a single point of failure, and there is a certain risk of network reliability

A. smartkit

A. Normal

B. Synchronize

C. Invalid

D. Unexpected interruption

A. Storage System Upgrade Planning

B. Confirmation of compatibility of operating system and storage

C. Storage Network Segment Planning

D. Confirm whether the computer room provides AC or DC power

A. FALSE

B. TRUE

A. After testing with HyperCDPO1, create a snapshot copy of HyperCDPO1 for other tests

B. Create two snapshot copies of HyperCDPO1 for data mining and data testing respectively

C. The test server can directly mount HyperCDPO1

D. Create a snapshot copy of HyperCDPO1 and snapshot this copy again

A. In MLC, 1 cell can store 2 bits of data

B. In SLC, 1 cell can store 1 bit of data

C. In QLC, 1 cell can store 3 bits of data

D. In TLC, 1 cell can store 4 bits of data

A. Demand analysis

A. When configuring an Oracle database in a Linux environment: It is recommended to use the UDEV strategy to bind the UUID and the drive letter, so as to avoid the change of the drive letter during the subsequent maintenance process and the database cannot be started.

B. If the log is written in a very short period of time in the database OLTP business, it is recommended to appropriately increase the online log file size, but it is recommended not to exceed 128MB.

C. The output result of OLAP business query is usually a statistical value (obtained by group by and order by), so a larger sga_target value can be set (relative to OLTP)

D. In the Window2008 or Windows2012 operating system environment, in order to improve the I/O processing efficiency, it is recommended to use the diskpart command to set the partition alignment when creating an MBR partition.

A. Use the iostat command to view disk I/O

B. Use the df command to view the storage space

C. Use the free command to view network I/O information

D. Use the top command to view the CPU usage