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For the description of Huawei Oceantor9000 products, which of the following options is incorrect?

A.
Oceanstr 9000 adopts non-comprehensive symmetrical architecture
A.
Oceanstr 9000 adopts non-comprehensive symmetrical architecture
Answers
B.
Oceanstr 9000 provides flexible and seamless expansion of 3-288 nodes
B.
Oceanstr 9000 provides flexible and seamless expansion of 3-288 nodes
Answers
C.
Oceanstor 9000 system adopts fully interconnected and fully redundant networking mode
C.
Oceanstor 9000 system adopts fully interconnected and fully redundant networking mode
Answers
D.
Oceanstor 9000 adopts distributed cluster architecture, no single point of failure
D.
Oceanstor 9000 adopts distributed cluster architecture, no single point of failure
Answers
Suggested answer: A

Multi-choice Hua is what node types does Oceanstor 9000 (V100R001C30) support?

A.
PI2
A.
PI2
Answers
B.
P25
B.
P25
Answers
C.
P36
C.
P36
Answers
D.
c36
D.
c36
Answers
E.
cn2
E.
cn2
Answers
Suggested answer: A, B, C, D, E

Multiple choice Ooceanstor 9000 Ifollocator supports quota types: (multiple choice)

A.
capacity frequency allocation
A.
capacity frequency allocation
Answers
B.
file quota
B.
file quota
Answers
C.
calculate quota
C.
calculate quota
Answers
D.
Mandatory Quota Answer
D.
Mandatory Quota Answer
Answers
Suggested answer: A, B

Single choice Huawei Oceanstor 9000 adopts decentralized technology, the Wushan distributed file system has no performance The bottleneck, as the number of nodes increases, storage capacity and computing power increase linearly, and ultimately provide users with linearly increasing bandwidth and concurrency

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

multiple choices. The possible causes of common business failures in the Huawei Oceanstor 9000 storage system include: (multiple choices)

A.
File system is abnormal
A.
File system is abnormal
Answers
B.
protocol exception
B.
protocol exception
Answers
C.
Abnormal connection with external authentication server
C.
Abnormal connection with external authentication server
Answers
D.
Client setting is abnormal
D.
Client setting is abnormal
Answers
Suggested answer: A, B, C, D

Single-select a customer who plans to store a large number of files in a certain directory of Huawei Oceanstor 9000. Most of these files are of the same size.

Between 64-128K, in order to improve hard disk utilization and read and write performance, how big should be the strip of files in the file directory?

A.
16K
A.
16K
Answers
B.
32K
B.
32K
Answers
C.
64K
C.
64K
Answers
D.
128K
D.
128K
Answers
Suggested answer: B

Single-choice Oceanstor 9000's wiselink and smartconnecet technologies are different, which one of the following?

A.
Domain name resolution function
A.
Domain name resolution function
Answers
B.
Domain name design and zone management
B.
Domain name design and zone management
Answers
C.
Reabance function l
C.
Reabance function l
Answers
D.
IP filver function between nodes
D.
IP filver function between nodes
Answers
Suggested answer: C

Single choice If the Huawei N8000 clustered NAS system has 6 engine nodes and 4 5500T back-end storage, each engine node has 8 business network ports, how many IP addresses need to be planned in total?

A.
103
A.
103
Answers
B.
104
B.
104
Answers
C.
105
C.
105
Answers
D.
106
D.
106
Answers
Suggested answer: B

Single-choice Which one of the following descriptions about the trembling characteristics of Huawei Oceansor 9000 is incorrect?

A.
Quota can be set based on users
A.
Quota can be set based on users
Answers
B.
quota is set based on user group
B.
quota is set based on user group
Answers
C.
Support setting quotas for file directories
C.
Support setting quotas for file directories
Answers
D.
Support setting quotas on files
D.
Support setting quotas on files
Answers
Suggested answer: D

Multi-selection On the LINUX client accessing the Oceanstor 9000 cluster, you can adjust the client NFS mounting parameters to improve access.

Ask performance. Regarding the adjustment of NFS mount parameters, which of the following descriptions is correct: (multiple choice)

A.
It is recommended not to set noatime, because this parameter will reduce accessibility.
A.
It is recommended not to set noatime, because this parameter will reduce accessibility.
Answers
B.
It is recommended not to set nodiratime, because this parameter will reduce access performance.
B.
It is recommended not to set nodiratime, because this parameter will reduce access performance.
Answers
C.
rsize/wsize is the maximum size of each read and write block, it is recommended to adjust to the maximum
C.
rsize/wsize is the maximum size of each read and write block, it is recommended to adjust to the maximum
Answers
D.
It is recommended to set to async to improve access performance
D.
It is recommended to set to async to improve access performance
Answers
Suggested answer: C, D
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