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السؤال #1
Regarding the description of the data protection function of the Huawei Oceanstor 9000 system, which of the following options is incorrect?
A. Oceanstor 9000 implements N+M redundant storage of data through ErasureCode
B. Oceanstor 9000 implements redundant storage of metadata through mirroring
C. After physical domain division is enabled, a hard disk or node failure in a single domain will cause data reliability degradation or failure in other domainscorrect
D. When the protection level is N+1, the minimum number of nodes required by the cluster is 3
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اجابة صحيحة: C
السؤال #2
A live gaming platform uses Huawei OceanStor all-flash storage systems with the flash-dedicated FlashLink technology. Which of the following statements about the multi-core technology of FlashLink are correct?
A. vNodes are bound to CPUs to reduce the overheads for scheduling and transmission across CPUs
B. Read/write I/Os are deployed in different groups from other types of I/Os to avoid mutual interference
C. A request is processed by one core until its completion
D. The intelligent multi-core technology drives linear growth of storage performance with CPUs and cores
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اجابة صحيحة: D
السؤال #3
When planning the front-end service network IP address for the C72 node of Huawei Oceanstor 9000, it is necessary to plan 4 static front-end IP addresses for each node.
A. TRUE
B. FALSEcorrect
عرض الإجابة
اجابة صحيحة: B
السؤال #4
(multiple choice) The basic principles of daily maintenance of big data storage systems include:
A. Develop a reliable backup plan
B. Keep spare parts on site for timely replacement in case of failure
C. Use the resources and software provided by the original manufacturer
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اجابة صحيحة: ABC
السؤال #5
Which of the following statements about Huawei SmartQuota features are correct? (Multiple choice)
A. The default directory quota is only a configuration and will not update the usage status statisticscorrect
B. The default directory quota refers to the quota items configured at the file system level that take effect for all Quota Treescorrect
C. Huawei Smart Quota technology only supports the configuration of directory quotas on the Quota Treecorrect
D. Directory quota refers to limiting the maximum available space for all files in a directorycorrect
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اجابة صحيحة: ABCD
السؤال #6
Which of the following descriptions about Wushan SQL is wrong?
A. Each node in Wushan SQL shares system resources such as CPU, memory, and storage with each othercorrect
B. In Wushan SQL, business data is scattered on multiple physical nodes, and data analysis tasks are pushed to the nodes where the data resides for execution
C. Wushan SQL needs to be coordinated through the control module to complete large-scale data processing
D. All business data in Wushan SQL is redundantly stored in different storage nodes
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اجابة صحيحة: A
السؤال #7
(Multiple choice) The quota types supported by OceanStor 9000 InfoAllocator are:
A. Capacity quota
B. File quota
C. Calculate quota
D. Mandatory quota
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اجابة صحيحة: AB
السؤال #8
Which of the following are the main indicators to measure the performance of the storage system? (Multiple choice)
A. IOPScorrect
B. Response timecorrect
C. Bandwidthcorrect
D. Memory utilization
عرض الإجابة
اجابة صحيحة: ABC
السؤال #9
Huawei's hyper-converged storage adopts the structure of distributed storage logic frame. Which of the following is the function of the MDC module?
A. Provide hard disk management
B. Provide standard SCSI/iSCSI services for VMs and databases
C. Provide management of storage cluster statuscorrect
D. DASH partition
عرض الإجابة
اجابة صحيحة: C
السؤال #10
Huawei's hyper-converged storage adopts the structure of distributed storage logic frame. Which of the following is the function of the MDC module?
A. Provide hard disk management
B. Provide standard SCSI/iSCSI services for VMs and databases
C. Provide management of storage cluster statuscorrect
D. DASH partition
عرض الإجابة
اجابة صحيحة: C
السؤال #11
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
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اجابة صحيحة: A
السؤال #12
Huawei's hyper-converged storage uses the structure of distributed storage logic. Which of the following is the function of the OSD module?
A. Provide standard SCSI/iSCSI services for VMs and databases
B. Provide hard disk management
C. CHASH partition
D. Provide management of storage cluster statuscorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #13
In the Huawei Oceanstor 9000 storage system, when a certain InfoReplicator is in a split state, which of the following statements is incorrect?
A. Pair split occurs, the possible reason is temporary link abnormality or network bandwidth expansion
B. At this time, the master-slave relationship of the directories at both ends specified by Pair remains unchanged
C. When the pair is resynchronized, the difference data that was not copied to the secondary directory due to the split operation of the last synchronization and the synchronized quantity need to be synchronizedcorrect
عرض الإجابة
اجابة صحيحة: C
السؤال #14
In the N8500 cluster NAS system, there are many service support system functions, such as NFS and CIFS basic service groups. Which of the following is not an NFS service group resource agent?
A. NIC
B. Hashadow
C. Disk
D. IPcorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #15
HyperCDP can generate more intensive recovery points for the data on the storage device. HyperCDP copy is a full copy backup of the source data at a certain point in time.
A. True
B. Falsecorrect
عرض الإجابة
اجابة صحيحة: B
السؤال #16
Which of the following is an impossible cause of this phenomenon?
A. Storage controller temperature is too high
B. LUN Fault page exceeds the limit
C. A reserved port on the storage switch is faulty
D. Battery failure
عرض الإجابة
اجابة صحيحة: C
السؤال #17
An engineer is going to install the hardware of Huawei flash memory devices. Which of the following descriptions about hardware installation is correct?
A. When connecting the flash storage device, the AC power cord needs to be connected to the same independent power supply to ensure line redundancy
B. If the flash memory device is a low-end flash memory, after removing the cabinet filler panel, the engineer needs to use the installation template to locate the device installation position
C. If the flash memory device is a high-end flash memory, the engineer needs to connect the cabinet ground wire before connecting the external power cord, and then install the cabinet after the connection is completed
D. When removing the cabinet filler panel, you need a flat-blade screwdriver and floating nut mounting strip, which are mainly used to remove the 16 screws on the filler panel and remove the filler panel
عرض الإجابة
اجابة صحيحة: B
السؤال #18
Which of the following descriptions of the networking principles of Huawei flash storage device disk enclosures is wrong?
A. The P0 port of the disk enclosure is an upstream port and can only be connected to the P1 port of the upper disk enclosure
B. The P1 port of the disk enclosure expansion module is connected to the P0 port of the next-level disk enclosure expansion module
C. Disk enclosure cascading networking usually adopts full positive connection
D. The interface modules of the two ports on the controller enclosure connected to the same disk enclosure should be symmetrical and have the same port number
عرض الإجابة
اجابة صحيحة: A
السؤال #19
A financial customer purchased a Huawei flash storage for subsequent business deployment. During the storage system initialization process, engineers need to configure security policies for the storage. Which of the following is not included in the content of configuring security policies?
A. Configure blacklist and whitelist policiescorrect
B. Configure account policies
C. Configure user account auditing
D. Configure login policy
عرض الإجابة
اجابة صحيحة: A
السؤال #20
An enterprise administrator created a shared folder on the root directory of the file system, and created 3 different Quota Trees under the root directory for Manager A (Quota Iree 1), Project Department B (Quota Tree 2) and Sales Department C (Quota Tree 3) for being used alone. Which of the following statement is correct?
A. You can limit the CPU usage on Quota Tree
B. Quota Tree quotas in the root directory must be consistent
C. According to business needs, different quotas can be configured for each Quota Treecorrect
D. Cache partition can be set on Quota Tree 2
عرض الإجابة
اجابة صحيحة: C
السؤال #21
The Huawei Oceanstor 9000 storage system adopts layered security maintenance. Which item does not belong to the application layer security content?
A. Cryptography
B. Authorization and Authentication Mechanisms
C. Use SSH/SFTP method to circumvent insecure network communicationcorrect
D. Activity log
عرض الإجابة
اجابة صحيحة: C
السؤال #22
Which of the following is correct in describing the CIFS protocol? (Multiple choice)
A. The authentication and flow control of the remote replication communication link are completed through different channels
B. Only one replication zone channel is allowed between two storage system clusters
C. The replication area channel is a set of communication links established in the same replication area of the primary and secondary storage systems
D. The remote replication pair between the two clusters will correspond to their respective replication zone channels
عرض الإجابة
اجابة صحيحة: CD
السؤال #23
At the time of Oceanstor 9000, Huawei adopted a scale-out architecture for the characteristics of big data and used a big data storage platform launched through X86 architecture hardware
A. TRUEcorrect
B. FALSE
عرض الإجابة
اجابة صحيحة: A
السؤال #24
Among the node types of Oceanstor 9000, the node that does not need to consider IPMI management networking is the C72 node.
A. TRUEcorrect
B. FALSE
عرض الإجابة
اجابة صحيحة: A
السؤال #25
A financial customer purchased several Huawei distributed storages. Engineers now need to install the distributed storage software through LID configuration. Which of the following descriptions of LID configuration is wrong?
A. When installing software using LID, engineers need to create a LID configuration file
B. Before engineers use the LID Designer tool to create LID configuration files, they need to complete the planning of system deployment parameters and IP addresses
C. In LID configuration mode, engineers need to manually complete operations such as node addition and network configuration on the DeviceManager interface
D. In LID configuration mode, engineers can use SmartKit to configure node iBMC IP addresses, configure node management, and other operations based on the exported configuration file
عرض الإجابة
اجابة صحيحة: C
السؤال #26
The Huawei Oceanstor 9000 InfoTier file pool policy will determine the storage location of the file creation and the target classification when the file is re-striped. Which of the following statements about the file pool policy is incorrect?
A. The default policy has the lowest priority
B. The default policy can be modified
C. The relationship between the combination of strategy parameters is "or"correct
D. Up to 128 file pool policies can be configured
عرض الإجابة
اجابة صحيحة: C
السؤال #27
Huawei's end-to-end active-active data center solution is divided into six layers. What are these six layers?
A. Storage layer, session layer, application layer, network layer, transport layer and physical layer
B. Storage layer, computing layer, application layer, network layer, transport layer and security layer
C. Storage layer, session layer, application layer, network layer, transport layer and security layer
D. Storage layer, computing layer, application layer, network layer, transport layer and physical layer
عرض الإجابة
اجابة صحيحة: B
السؤال #28
In RAID2.0+ technology, what is the default size in MB of the CHUNK segmented from SAS hard disks?
A. 512MB
B. 256MB
C. 64MBcorrect
D. 64KB
عرض الإجابة
اجابة صحيحة: C
السؤال #29
During routine inspections, Engineer B discovered that the power module indicator light of the OceanStor Dorado 6800 storage system that had just been used was green and flashing. What are the possible states of the power module at this time?
A. The power input is normal, but the device is not powered on
B. No external power input
C. The power module is in the process of online upgrade
D. The power module failscorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #30
(single choice) In the Huawei OceanStor 9000, which of the following is not an authentication method supported by NFS sharing?
A. NIS authentication
B. LDAP authentication
C. Client IP address/host name authentication
D. Local user authentication
عرض الإجابة
اجابة صحيحة: D

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