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السؤال #1
Huawei's hybrid flash storage supports the integration of NAS and SAN, and the software protocol stacks of the two are completely parallel, and they are integrated on the resource allocation and management plane.
A. True
B. Falsecorrect
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اجابة صحيحة: B
السؤال #2
The QoS characteristics of the object service, for applications with different priorities, different buckets can be configured, and the TPS of the buckets and the allocation of bandwidth resources can be controlled through QoS; different QoS policies can be configured for VIP tenants and ordinary tenants in the same system to ensure the quality of service for high-priority tenants.
A. Truecorrect
B. False
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اجابة صحيحة: A
السؤال #3
Which of the following aspects can pre-sales manager A recommend to e-commerce customers to purchase Huawei's intelligent distributed storage? (Multiple choice)
A. FlashLink performance accelerationcorrect
B. End-to-end data integrity check and self-healingcorrect
C. Massive on-demand expansion of cluster nodes, linear growth of performance capacity
D. Elastic Erasure Coding data redundancy protection
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اجابة صحيحة: AB
السؤال #4
In the "Oceanstor 9000 network diagram", what type of switch b should be?
A. S5700correct
B. IS5023
C. CE6800
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اجابة صحيحة: A
السؤال #5
(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
B. 6+3
C. 4+2
D. 12+3:1
عرض الإجابة
اجابة صحيحة: AD
السؤال #6
Multiple choice A large Internet company A purchased Huawei hyper - converged storage multiple choice to build an IT infrastructure platform. Which of the following can be applied Scenes()
A. Database
B. Virtualization
C. Desktop Cloud
D. Container
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اجابة صحيحة: ABCD
السؤال #7
A scientific research industry purchased several Huawei OceanStorPacific series distributed storages for business deployment, and engineers configured DPC file services on the storage. Because the front-end business operation requires higher performance, engineers want to set the CPU of the DPC node to performance mode through the CLI command line. Please analyze which of the following commands has this function?
A. change service ndmp_restart_service
B. change pms converged_qos_policy
C. cpupower frequency-info
D. cpupower frequency-set -g performancecorrect
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اجابة صحيحة: D
السؤال #8
In the era of big data, one should also have big data thinking. Which of the following statements is incorrect?
A. In the era of big data, data processing and analysis no longer depend on random samples
B. In the era of big data, one should be keen on pursuing the accuracy of datacorrect
C. In the era of big data, the processing and analysis of big data tends to predict what will happen
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اجابة صحيحة: B
السؤال #9
After purchasing a Huawei OceanStor Dorado series storage system, a customer needs to configure basic storage services in the storage system. Which of the following operations are optional in the basic service configuration?
A. Configuring connectivity between a host and the storage system
B. Creating a port group
C. Creating a mapping
D. Creating a LUN group
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اجابة صحيحة: BD
السؤال #10
Assume a financial customer purchases a Huawei OceanStor Pacific scale-out storage system for future service deployment. Which statement is false about software installation of the storage system?
A. During block service installation, if converged deployment of storage and compute nodes is required, the difference between the disk quantities on any two nodes in the same storage pool cannot be greater than 2 or 30% of the disk quantity on the node having most disks
B. During block service installation, if management nodes are deployed where compute and storage nodes are converged, the number of vCPUs on each converged compute and storage node must be greater than or equal to 20
C. If wizard-based software installation is used, an engineer must manually add nodes, configure networks, and create a control cluster on DeviceManager, and then install the OceanStor Pacific series software
D. To install the Distributed Parallel Client (DPC), the memory required for running the DPC software on a compute node must be greater than or equal to 20 GB
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اجابة صحيحة: C
السؤال #11
During the processing of the IO stack of Huawei's distributed big data service, the computing component sends a request to the DataNode module through the hdfs client and returns the file metadata information.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #12
In the AD domain environment, which CIFS share statement is correct? (Multiple choice)
A. The storage system supports AD domain clients can only access the CIFS shared directory with the same namecorrect
B. When an AD domain client accesses the CIFS file share provided by the storage system, all authentication is done through the AD domain controller
C. An AD domain client can view the CIFS directory of other domain clients
عرض الإجابة
اجابة صحيحة: AB
السؤال #13
Which of the following statements are not the features of the horizontally extended file storage function?
A. Distributed metadata management, supporting linear expansion of 3~4000 nodes
B. The self-developed distributed file system OceanStor DFS supports massive unstructured data storage and realizes a unified global namespace
C. Provide object storage services, compatible with Amazon S3 interface, and compatible with OpenStack Swif interface
D. Supports integration with FusionInsight Hadoop/Cloudera Hadoop packaged with open source Hadoop components, allowing users to easily build an enterprise-level big data analysis platform
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اجابة صحيحة: A
السؤال #14
Which of the following scenarios is most suitable for the SmartCache feature of Huawei hybrid flash storage?
A. Write random small I/O scenarios
B. Read random small I/O scenariocorrect
C. Write sequential I/O scenario
D. Read sequential I/O scenario
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اجابة صحيحة: B
السؤال #15
Huawei's hybrid flash storage supports the integration of NAS and SAN, and the software protocol stacks of the two are completely parallel, and they are integrated on the resource allocation and management plane.
A. True
B. Falsecorrect
عرض الإجابة
اجابة صحيحة: B
السؤال #16
Which of the following is the maintenance software supported by Huawei's hybrid flash storage products?
A. SmartKitcorrect
B. OceanStor UltraPath
C. BCManager eReplication
D. OceanStor eSDK
عرض الإجابة
اجابة صحيحة: A
السؤال #17
Regarding target deduplication, which of the following description is incorrect?
A. Does not occupy the resources of the source
B. Target end deduplication is equivalent to post-processing deduplication (Post-procesig)
C. Cannot save transmission bandwidth
D. The data block is transferred from the source end to the target end, and the deduplication operation is performed on the target end
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اجابة صحيحة: B
السؤال #18
In the existing network environment, Huawei's backup appliance can provide strong data protection capabilities. Which of the following descriptions of the functional architecture of the all-in-one machine is correct?
A. File system management and protocol access are mainly implemented by the data protection layer
B. The backup appliance can complete application data protection operations without the need for backup agents during data protection
C. DataEnable Engine is a data enabling module that can provide global retrieval and data desensitization related capabilitiescorrect
D. Protect Manager is a data flow module, mainly responsible for data processing such as backup, recovery, replication, archiving, and replica mounting
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اجابة صحيحة: C
السؤال #19
Huawei hybrid flash storage adopts the structure of RAID 2.0+ software architecture, which realizes the virtualization of the underlying media and the virtualization of the upper-level resources, and at the same time solves the problem of rapid data reconstruction and intelligent allocation of resources.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #20
The QoS characteristics of the object service, for applications with different priorities, different buckets can be configured, and the TPS of the buckets and the allocation of bandwidth resources can be controlled through QoS; different QoS policies can be configured for VIP tenants and ordinary tenants in the same system to ensure the quality of service for high-priority tenants.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #21
In the special feature of Huawei OceanStr Hybrid Flash Storage SmartQuota, each time an I/O operation, the system will check the used capacity and the number of files of the quota, plus if the incremental capacity and files of this operation exceed the hard quota. If it is exceeded, the operation will fail, otherwise the operation will succeed.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #22
LLD (Lom Level Desigm, detailed design) is based on the determined target network architecture, clearly designing the scope of the network and functional deployment plan; the specific design content was paid attention by the customers within the scope of the contract, including clarifying the interactive process of the important business, the function allocation of all services on each network element, the peripheral docking relationship of the design network element, the docking requirements and complianc
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #23
The offline upgrade process of the Huawei Oceanstor 9000 software version will interrupt business operation, and the business interruption time depends on the upgrade execution time
A. TRUEcorrect
B. FALSE
عرض الإجابة
اجابة صحيحة: A
السؤال #24
The Persistence layer of Huawei Distributed Storage provides persistent storage capabilities, EC and multiple copies capabilities, and Plog append only access capabilities through PlogClient.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #25
Which automatic load balancing method does Huawei Oceanstor 9000 InfoEqualrser support by default?
A. According to the throughput of node
B. According to the comprehensive load by node
C. According to the number of node connections
D. Polling
عرض الإجابة
اجابة صحيحة: D
السؤال #26
About the Huawei's SamtMulti-Tenant technology, which of the following statement is incorrect?
A. Role management is divided into preset default roles and custom roles
B. There are three types of authority management: read-only, write-only and read-writecorrect
C. A physical storage system can be divided into multiple virtual storage partitions, and the storage pools are shared among these virtual storage partitions
D. In role management, three default roles are preset for tenant groups, including tenant administrator, tenant data protection administrator, and tenant agreement administrator
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اجابة صحيحة: B
السؤال #27
A government customer has purchased several Huawei OceanStor Pacific series storage devices. An engineer wants to install the distributed parallel client (DPC) on the storage devices. The operations before DPC installation have been completed. Now, the engineer needs to add DPC nodes. Which of the following statements are true about adding nodes?
A. AThe engineer can add nodes by batch importing nodes or manually adding nodes
B. BIf the engineer selects 'Manually Add Node' on DeviceManager, the engineer must enter the management IP address of the node to be added
C. CIf the engineer selects 'Manually Add Node' on DeviceManager, the engineer must enter the service IP address of the node to be added
D. DIf the engineer selects 'Batch Import Node' on DeviceManager, the engineer must fill in the downloaded template, and upload the template to complete batch import
عرض الإجابة
اجابة صحيحة: BD
السؤال #28
In the Huawei HyerMetro active-active solution, when the active-active data center link fails, it will enter the "standby state". In order to quickly restore services, you can choose to force start the local storage system or the remote storage system to continue to provide services for the host. At this time, the active-active service status will enter "normal".
A. True
B. Falsecorrect
عرض الإجابة
اجابة صحيحة: B
السؤال #29
A company purchased multiple sets of Huawei distributed storage, deployed them in multiple data centers, and used object service remote replication to build a disaster recovery system. These distributed storages were planned in the same area, so this area has one and only one default cluster, other clusters are non-default clusters.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #30
Which of the following descriptions about the principle of the Flash Storage HyperReplication feature is wrong?
A. In synchronous remote replication mode, after the primary storage system receives a write I/O request from the host, it will send the write I/O request to the slave LU and the primary LUN at the same time
B. Asynchronous remote replication mode relies on snapshot technology
C. Remote replication can be divided into two modes: synchronous and asynchronous
D. In synchronous remote replication mode, the primary LUN of the production site and the secondary LUN of the disaster recovery site will establish a synchronous remote replication relationship and start the initial synchronization
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اجابة صحيحة: B

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