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(multiple choice) The value of Huawei OceanStor 9000 InfoTier is reflected in:

A.
It can ensure the system's response speed to hot data access and improve the storage performance of the entire system.
A.
It can ensure the system's response speed to hot data access and improve the storage performance of the entire system.
Answers
B.
Comprehensively utilize the cost advantages of different storage media to effectively reduce deployment and maintenance costs.
B.
Comprehensively utilize the cost advantages of different storage media to effectively reduce deployment and maintenance costs.
Answers
C.
Improve system storage performance and realize intelligent data management.
C.
Improve system storage performance and realize intelligent data management.
Answers
D.
Realize automatic file migration according to the corresponding relationship between file attributes and different storage devices, reducing the cost and complexity of manual management.
D.
Realize automatic file migration according to the corresponding relationship between file attributes and different storage devices, reducing the cost and complexity of manual management.
Answers
Suggested answer: A, B, C, D

(Judgment) The InfoLocker feature of OceanStor 9000 can be used to meet the business scenario of one write and multiple read.

A.
True
A.
True
Answers
B.
False
B.
False
Answers
Suggested answer: A

(single choice) Which of the following is the correct power-on sequence of the Huawei OceanStor 9000 big data storage system?

A.
Cabinet-->Switch-->KVM--->Node
A.
Cabinet-->Switch-->KVM--->Node
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B.
Cabinet-->KVM-->Switch--->Node
B.
Cabinet-->KVM-->Switch--->Node
Answers
C.
Cabinet-->Switch-->Node--->KVM
C.
Cabinet-->Switch-->Node--->KVM
Answers
D.
Cabinet-->Node-->KVM--->Switch
D.
Cabinet-->Node-->KVM--->Switch
Answers
Suggested answer: A

(multiple choice) The basic principles of daily maintenance of big data storage systems include:

A.
Develop a reliable backup plan
A.
Develop a reliable backup plan
Answers
B.
Keep spare parts on site for timely replacement in case of failure
B.
Keep spare parts on site for timely replacement in case of failure
Answers
C.
Use the resources and software provided by the original manufacturer
C.
Use the resources and software provided by the original manufacturer
Answers
Suggested answer: A, B, C

(multiple choice) The daily inspection performance indicators of the big data storage system include:

A.
Disk utilization
A.
Disk utilization
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B.
CPU utilization
B.
CPU utilization
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C.
Memory utilization
C.
Memory utilization
Answers
D.
Node throughput
D.
Node throughput
Answers
Suggested answer: A, B, C, D

(Judgment) Whether the Huawei OceanStor 9000 is upgraded online or offline, it has no impact on device management.

A.
True
A.
True
Answers
B.
False
B.
False
Answers
Suggested answer: B

(Judgment) FusionStorage Block uses a unique data block slicing technology and data based on DHT Hash The routing algorithm can evenly distribute the data of the volume to the fault domain of a larger resource pool, so that each volume can obtain a larger IOPS and MBPS performance also makes the load of each hardware resource relatively balanced.

A.
T
A.
T
Answers
B.
F
B.
F
Answers
Suggested answer: A

(Multiple choice) The quota types supported by OceanStor 9000 InfoAllocator are:

A.
Capacity quota
A.
Capacity quota
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B.
File quota
B.
File quota
Answers
C.
Calculate quota
C.
Calculate quota
Answers
D.
Mandatory quota
D.
Mandatory quota
Answers
Suggested answer: A, B

(multiple choice) Which of the following is correct in IDC's description of the characteristics of big data?

A.
Volume
A.
Volume
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B.
Variety-Diversity
B.
Variety-Diversity
Answers
C.
Value-value density
C.
Value-value density
Answers
D.
Velocity-speed
D.
Velocity-speed
Answers
Suggested answer: A, B, C, D

(multiple choice) OceanStor 9000 adopts Erasure code technology to protect dat a. If a site has 6 nodes, And the customer wants to ensure that the data can be recovered even if three disks are broken in one strip, the redundancy protection levels that can be adopted are:

A.
4+3:1
A.
4+3:1
Answers
B.
6+3
B.
6+3
Answers
C.
4+2
C.
4+2
Answers
D.
12+3:1
D.
12+3:1
Answers
Suggested answer: A, D
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