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When selecting storage devices, if the business requires a single hard disk IOPS greater than 3000, which of the following hard disk types can be selected select()
An enterprise mail application service has limited storage resources, so a quota is set for the business user, and the soft quota for user A is 500 MB. The hard quota is 800 MB. Under this configuration, which of the following statements are correct ()
The Persistence layer of Huawei's distributed storage provides single-select persistence storage capabilities, EC and multiple copies capabilities. PlogClient provides the append only access capability of Plog.
Huawei's hyper-converged storage adopts a distributed hash algorithm, and single-selects HASH calculation and local memory metadata, which can be The bottleneck can be arbitrarily expanded horizontally.
The SmartCache feature of Huawei hybrid flash storage is most suitable for which of the following scenarios?
Select the following statements about the HyperSnap feature of the file system, which options are correct ()
Through the InfoAllocator feature, which of the following multi-select functions can be achieved by the administrator?
The object storage services (compatible with Amazon S3 and OpenStack Swift) provided by Huawei Distributed Storage A RESTful API, the client can access the storage node through the RESTful API to realize data storage.
When purchasing a storage device, the available capacity is less than the actual hard disk capacity. Which of the following possible reasons is correct ()
What are the key technologies included in InfoTurbo features () Multiple choice

Question 251

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After purchasing Huawei's all-flash storage devices, when planning the basic storage business, which of the following options must be planned ()

A.
Disk domain
A.
Disk domain
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B.
LUN capacity
B.
LUN capacity
Answers
C.
Storage pool capacity
C.
Storage pool capacity
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D.
Number of LUNs
D.
Number of LUNs
Answers
Suggested answer: A, B, C, D

Question 252

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Which of the following options are the shortcomings of HDFS components?

A.
Remote replication feature is not supported
A.
Remote replication feature is not supported
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B.
Low hardware fault tolerance
B.
Low hardware fault tolerance
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C.
File system performance bottlenecks are likely to occur under large-scale deployment
C.
File system performance bottlenecks are likely to occur under large-scale deployment
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D.
Low capacity utilization and high cost
D.
Low capacity utilization and high cost
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Suggested answer: A, D

Question 253

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The game live broadcast platform A uses Huawei's all-flash storage to protect its business, and the storage system uses a storage system designed for flash memory.

FlashLink technology. Regarding the many-core technology, which of the following statements are correct

A.
Through many-core technology, storage device performance can increase linearly with the number of CPUs and cores
A.
Through many-core technology, storage device performance can increase linearly with the number of CPUs and cores
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B.
vnode is bound to the CPU to reduce the overhead of cross-CPU scheduling and cross-CPU transmission
B.
vnode is bound to the CPU to reduce the overhead of cross-CPU scheduling and cross-CPU transmission
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C.
A request is continuously executed on the same core and a lock-free design is implemented to avoid frequent multi-core switching
C.
A request is continuously executed on the same core and a lock-free design is implemented to avoid frequent multi-core switching
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D.
Read and write I/O and other I/O are deployed in different groups to avoid mutual interference
D.
Read and write I/O and other I/O are deployed in different groups to avoid mutual interference
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Suggested answer: A, D

Question 254

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The remote replication feature is mainly used in disaster recovery and backup scenarios. Which of the following statements about the remote replication feature is correct:

A.
During the remote replication process, if the replication link fails suddenly, the slave L data will be unavailable.
A.
During the remote replication process, if the replication link fails suddenly, the slave L data will be unavailable.
Answers
B.
The remote replication slave LUN can be mapped to the host in advance. When the primary L-end fails, it can save business recovery time.
B.
The remote replication slave LUN can be mapped to the host in advance. When the primary L-end fails, it can save business recovery time.
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C.
The peak bandwidth of asynchronous replication is higher than that of synchronous replication.
C.
The peak bandwidth of asynchronous replication is higher than that of synchronous replication.
Answers
D.
If the disaster recovery solution requires RPO=0, it is recommended to use synchronous remote replication.
D.
If the disaster recovery solution requires RPO=0, it is recommended to use synchronous remote replication.
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Suggested answer: B, D

Question 255

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Which of the following options describes the single-choice feature of Huawei Distributed Storage Intelligent Load Balancing incorrectly?

A.
Nodes can be classified as required. For each partition, the load balancing system supports the configuration of independent load strategies and independent access domain name.
A.
Nodes can be classified as required. For each partition, the load balancing system supports the configuration of independent load strategies and independent access domain name.
Answers
B.
When automatic load balancing is performed between all nodes, only performance load balancing is supported, and capacity load balancing is not supported.
B.
When automatic load balancing is performed between all nodes, only performance load balancing is supported, and capacity load balancing is not supported.
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C.
Load balancing strategy can be based on: CPU, memory, bandwidth, number of network connections, node capability value.
C.
Load balancing strategy can be based on: CPU, memory, bandwidth, number of network connections, node capability value.
Answers
D.
Load average street service support: polling mode, CPU usage rate, number of node connections.
D.
Load average street service support: polling mode, CPU usage rate, number of node connections.
Answers
Suggested answer: B

Question 256

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When planning and designing storage solutions, if customers pay attention to the satisfaction of performance, which of the following aspects should be planned and designed ()

A.
Network bandwidth
A.
Network bandwidth
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B.
Hard disk type C.Number of hard disks
B.
Hard disk type C.Number of hard disks
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C.
RAID level
C.
RAID level
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Suggested answer: A, B, C

Question 257

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When configuring basic storage services on Huawei all-flash storage, which of the following statements are correct ()

A.
When user application data is stored in multiple LUNs, LUN groups can be created to facilitate management
A.
When user application data is stored in multiple LUNs, LUN groups can be created to facilitate management
Answers
B.
Before configuring basic services, you must first import the license
B.
Before configuring basic services, you must first import the license
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C.
If the business host is a cluster, add all the hosts in the cluster to the same host group
C.
If the business host is a cluster, add all the hosts in the cluster to the same host group
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D.
If you need to specify a specific port to connect to a certain business host, you need to create a port group to complete the relevant operations
D.
If you need to specify a specific port to connect to a certain business host, you need to create a port group to complete the relevant operations
Answers
Suggested answer: A, B, C, D

Question 258

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Before deploying and implementing storage devices, you need to plan and design storage solutions.

Which of the following options are in planning and design

Action to be performed when ()

A.
Storage network segment planning
A.
Storage network segment planning
Answers
B.
Storage system upgrade planning
B.
Storage system upgrade planning
Answers
C.
Confirm whether the computer room provides AC or DC power
C.
Confirm whether the computer room provides AC or DC power
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D.
Confirmation of compatibility of operating system and storage
D.
Confirmation of compatibility of operating system and storage
Answers
Suggested answer: A, B, C, D

Question 259

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A TV station uses a Huawei hybrid flash storage device with FC networking to store videos. When I use it recently, it occasionally appears The video screen freezes. Engineer A will troubleshoot the fault after arriving at the site. Which of the following is the correct troubleshooting method ()

A.
Check the open status of the client firewall port
A.
Check the open status of the client firewall port
Answers
B.
Check if there is a RAID group degradation alarm
B.
Check if there is a RAID group degradation alarm
Answers
C.
First check whether the client status is normal, whether the resource is tight and cause the freeze
C.
First check whether the client status is normal, whether the resource is tight and cause the freeze
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D.
Check the storage device failure alarm indicator
D.
Check the storage device failure alarm indicator
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Suggested answer: B, C, D

Question 260

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Huawei Oceanstor 9000 (30) infoEqualizer function is restricted by license, including dynamic application name, static Domain name and partition function, support scheduling load in polling mode

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