Question 1

If a performance Issue occurs in Huawei flash storage, an engineer can perform optimization operations according to the storage performance optimization process. Which of the following statements is false about the performance optimization process?

Options :

A :

In the information collection phase, the engineer needs to collect basic information about applications and data, such as the impact of application configurations on data, data size, and read/write ratio.

B :

In the test and application phase, the engineer needs to test the configurations to check whether the optimization objective is achieved. If yes, the engineer can put the system into use.

C :

In the optimization analysis phase, the engineer needs to specify the performance optimization objective, find out the performance bottleneck, and identify the parts that play a key role in Improving the system performance.

D :

In the optimization operation phase, the engineer needs to deploy DR for the service system, and needs to modify multiple configuration at a time during the optimization configuration.

Answer: D

Question 2

Huawei OceanStor Pacific series storage systems support the _______ client access mode. This mode allows a single client to connect to multiple storage nodes and supports MPI-I/O access. (Enter an acronym.)

Options :

A : CIFS

B : NFS

C : S3

D : FTP

Answer: B

Question 3

Huawel OceanStor Pacific series storage supports the volume- or snapshot-based clone feature. Which of the following statements Is false about this feature?

Options :

A :

Small storage space occupation: A clone generated by the storage system is not a full physical data copy, which does not occupy large storage space.

B :

Quick generation: The storage system can generate a clone within several seconds to obtain the consistent copy of the source volume data.

C :

Lossless performance: Based on the ROW mechanism, the done write performance is equivalent to the source volume write performance.

D :

Cascading: Clones can be created based on clone volumes or snapshots of clone volumes in the storage system. A maximum of 64 cascading levels are supported.

Answer: C

Question 4

uses Huawei's optimized FlexFC algorithm. This algorithm allows the system to tolerate simultaneous failures

of three disks, greatly shortening the reconstruction time and

effectively addressing data protection challenges in the large capacity disk era.

Options :

A : RAID 6

B : Flexec

C : OceanProtect

D : SmartTier

Answer: B

Question 5

During routine O&M, an engineer finds that the system time of multiple Huawei flash storage devices Is Incorrect, and needs to correct the system time. Which of the following Is not a possible impact of changing the system time?

Options :

A :

If the new device time is later than the deadline for saving historical performance data, the system will no longer save historical performance data.

B :

Changing the device time will affect the life spans of disks and controllers, which may trigger alarms indicating that the hardware life span expires or hardware is aging.

C :

If the new system time is later than the user-defined password expiration date, the system may force the user to change the login password.

D : If the new device time is later than the certificate validity period, the certificate will expire.

Answer: B

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