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Which of thefollowing statement about RAID 2.0 is correct? (Multiple choice.)

A.

The hard disk is divided into chunks.

B.

Lun consists of extend or grain

C.

A CKG chunk may come from the same hard disk.

D.

Chunk in a CKG may come from a different storage pool.

Disaster recovery project information research mainly includes information about who, what, and why. What is the following information background? (multiple choice)

A.

A bank has more than XXcustomers and XX corporate customers.

B.

Data loss will be huge and business disruption may result in significant financial loss.

C.

Business interruption has a huge impact, and the interruption time in business deployment is less than 2 hours.

D.

Clientswant to build two live-action data centers in the same city to realize the key business activities such as RTO 2.

True or Falese, backup media using PTL or VTL simpana backup software can not start the deduplication function.

A.

True

B.

False

What are the common high-riskoperations with Linux? (Multiple choice.)

A.

rm delete file operation

B.

mkfs. ext3 format file system operation

C.

dd command

D.

Continue to write new data to the file system after the file system is damaged

When a customer uses simpana software, CS can not start normally and you need to recover the CS. Which of the following situations will cause the restoration to fail?

A.

The backup server and the media server can not communicate properly.

B.

The link between the backup media and themedia server is down.

C.

Backup server SQL database failure.

D.

DDB is abnormal.

Which of the following is not part of the storagetroubleshooting process?

A.

Manually clear the NMS alarm and turn off the alarm light.

B.

Observe the symptom and collect the fault information.

C.

Troubleshoot according to the "Event Reference" or "Troubleshooting" manual.

D.

Maintain the faulty environment and contact technical engineer for support.

An Engineer installed a OceanStor 9000 for a customer (a total of 5 OceanStor 9000 C Node, front and rear ends are 10GE TOE networking, on-site installation TOE network card). Then connected the signal lines, power lines, and debugged the software. During the installation there were issues. Which of the following description of these issues are correct? (Multiple choice.)

A.

5 devices TOE NIC A0, B1, and A0, B3 inserted into the PCIe slot will not affect the system. Deployment will not affect the network bandwidth, so it cannot be adjusted.

B.

The signal cables are long and need to be strapped to the cabinet or placed on the bottom tray.

C.

Label NODE 01 A0-0 The signal cable is inserted in the network port A0-1. The signal cable labeled NODE01 B3-1 is inserted in the network positionB3-0, due to the same network card two network port peer, you can place the wrong line, you cannot adjust.

D.

CE6850 switch connected to two stacked copper cables, one of which is needed to post-cold more cold, because it does not affect the network interoperability. You can base this software debugging.

What is correct about the reconstruction of the Huawei OceanStor V3 storage system? (Multiple choice.)

A.

It can quickly recover valid data, not updated data does not need to be restored.

B.

Completereconstruction requires data difference log information.

C.

Recovery Refactoring uses a scenario where the disk can not be used for downgrade.

D.

In the event of a sudden disk failure recovery reconstruction.

Which of the following best practice descriptions of Oralce database is correct? (Multiple choice.)

A.

OLAP business query output is usually a statistical value (using group by with order by), soyou can set a larger SGA-target value (relative to OLTP).

B.

It is recommended to use UDEV UUID and drive letter binding, in Linux environment configuration Oracle database, to avoid subsequent maintenance letter changes caused by the database which can not start.

C.

If the database OLTP business log write is very frequent, it is recommended that the appropriate online log file up, but it is recommended not to exceed 128MB.

D.

In Windows2008 or windows2012 operating system environment, in order to improve I/ O processing efficiency, MBR partition is created, and diskpart command is recommended to set the partition alignment.

The client environment is the HP-UX11i v2 operating system, the HBA is the AD193A, and the operating system comes with the driver. The storage array is Huawei OceanStor V3. When the LUN mapping between HP-UX and the storage system is completed, you can not change the topology mode of the FC host interface card on the storage system.

A.

True

B.

False