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السؤال #1
When Smart Virtualization is used to host external LUNs in a heterogeneous storage system, if read I/O requests for external LUN data do not pass through the heterogeneous storage system, where might the data be stored?
A. In the data volume of the local LUN
B. eDevLUN Cache
C. In the metadata volume of the eDevLUN
D. In the metadata volume of the local LUNcorrect
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اجابة صحيحة: D
السؤال #2
Which of the following statements about Thin LUN are correct? (Multiple choice)
A. After enabling the SmartThin feature, users can create a Thin LUN that is larger than the maximum physical available space in the storage pool
B. Thin LUN cannot be directly converted to Thick LUNcorrect
C. All LUNs in a storage pool need to enable SmartThin
D. Thin LUN consumes very little storage capacity when it is created
عرض الإجابة
اجابة صحيحة: ABD
السؤال #3
Huawei Standard Edition N8500 has two nodes the business mount Pubeth1 and Pubeth4. It opened the NFS service. NFS server except recovery after NFS guest. Client mount point can not be accessed into the directory for a long time without echo. What do you need to do to fix it?
A. Restart the NFS server of the N8500
B. Restart the client's NFS service
C. Reseat the NFS client network cable
D. Forcibly unmount the NFS client mount point and mount it again
عرض الإجابة
اجابة صحيحة: D
السؤال #4
Which of the statement about OceanStor V3 storage system tuning process is wrong?
A. need to understand the business (applications and data, etc
B. after tuning all systems involved in performance bottlenecks configuration parameters, and then determine whether the tuning goals is completed
C. before tuning to be backed up business systems and data
D. process monitoring and analysis of the business performance data, confirm the performance bottlenecks and analyze the root cause
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اجابة صحيحة: AB
السؤال #5
In the process of SAN storage migration of AIX LVM, the design of data migration is a very important stage. Before access to the new equipment, you need to consider some issues help for the design of data migration, including ( ) (Multiple choice)
A. could/should this device be connected to the existing SAN?correct
B. how is AIX system connected to new storage devicescorrect
C. how can AIX system and data migrate from the old disk to the new diskcorrect
D. Whether the format of the file system, genus group of storage files are compatible with the new device volume
عرض الإجابة
اجابة صحيحة: ABC
السؤال #6
Which of the following statements about the protocol layer of Huawei's distributed storage products is wrong?
A. Block supports iSCSI protocol
B. Objects support S3/Swift access
C. Support big data HDFS access
D. File NFS access is not supportedcorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #7
Which are the main characteristic of backup network mode as shown? (multiple choice)
A. production system equipment card occupancy rate is highcorrect
B. production system equipment card occupancy rate is lowcorrect
C. This kind of networking way's production host memory usage is lower than LAN-Base
D. This kind of networking way's production host memory usage is higher than LAN-Basecorrect
عرض الإجابة
اجابة صحيحة: ABD
السؤال #8
Huawei OceanStor 9000 external shared mainly NFS and CIFS at the moment. Set some parameters to improve performance of NFS mounted under the Linux operating system. Which of the following description is correct?
A. Rsize / wsize, read and write the maximum size of each block, it is recommended to adjust to the maximum
B. Async, allowing asynchronous data write, synchronous write requirements
C. Noatime, if you do not need to record the file access time, you can increase this parameter to avoid frequent access, modify the access time to open pin
D. Nolock, if there is a shared file between NFS clients, you can use this parameter
عرض الإجابة
اجابة صحيحة: ABC
السؤال #9
A company purchased two Huawei OceanStor 9000 devices, in order to protect the security of data, one set provides storage space for the production site, and the other set provides data redundancy on the disaster site. Establish a remote replication between two sets of Huawei QceanStor 9000 storage systems, about the related configuration of creating remote replication Pair synchronisation strategy, the incorrect description is:
A. Recovery strategy supports manual and automatic the two modes
B. Sync rate has high, medium and low, the three grades
C. Synchronization Type has manual, time wait after the synchronization start, time wait after the synchronization complete, the three kinds of
D. When the "Synchronization Type" set as "manual", no need to set the timing length
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اجابة صحيحة: B
السؤال #10
Which of the following steps are not part of the homogeneous online migration scheme are?
A. Source storage creates a spoofed eDevLUN and maps it to the target storagecorrect
B. Create a SmartMigration migration task on the target storage
C. Use the multipath command on the host to scan the disk and check the disk link information
D. Consistent split migration task after migration is complete
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اجابة صحيحة: A
السؤال #11
What are the application scenarios supported by LUN migration? (Multiple choice)
A. Adjust the LUN type (thick, thin, deduplication and compression)correct
B. Adjust the WWN of the LUN
C. Adjust the RAID level of the LUNcorrect
D. Adjust the read and write performance of the LUNcorrect
عرض الإجابة
اجابة صحيحة: ACD
السؤال #12
Huawei's all-flash storage system automatically adds all Ethernet ports and bonded ports in the cluster to which of the following drift groups?
A. Default Drift Groupcorrect
B. VLAN drift group
C. User-defined drift group
D. Ethernet port drift group
عرض الإجابة
اجابة صحيحة: A
السؤال #13
Dual-control 5500V3 online migration S2600 storage, when the migration rate selects "medium speed", what is the maximum migration rate?
A. 80OMB/S
B. 40OMB/S
C. 28OMB/S
D. 15OMB/S
عرض الإجابة
اجابة صحيحة: C
السؤال #14
In the OceanStor 9000 system, the partition of InfoEqualizer can’t be subnetted.
A. Truecorrect
B. False
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اجابة صحيحة: A
السؤال #15
The two-site three-center disaster recovery solution adopts the "synchronous + asynchronous cascade" networking mode. Disk array A is deployed in the production center, disk array B is deployed in the disaster recovery center in the same city, and disk array C is deployed in the disaster recovery center in a different location. Which of the following is wrong about the introduction of this networking method?
A. Disk array A and disk array B establish synchronous remote replication
B. The data of disk array B is synchronized to array C regularly
C. Disk array B and disk array C establish synchronous remote replicationcorrect
D. The production center A and the disaster recovery center B are interconnected through FC links
عرض الإجابة
اجابة صحيحة: C
السؤال #16
OceanStor 9000 provides directory-level snapshots. What are the application restrictions of snapshots? (Multiple choice)
A. If a directory or its subdirectories have snapshots, the directory cannot be destroyedcorrect
B. Remote synchronization of snapshot directories and the snapshot files in them is not supportedcorrect
C. Snapshots do not support nesting
D. Creating snapshots of the root directory is not supportedcorrect
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #17
Which of the following description on the dual-live pair running status and host access status in HyperMetro is wrong?
A. double-live Pair running status: suspendedHost Access Status: The primary LUN is readable and writable, and the secondary LUN is not readable or writable
B. double-live Pair running status: synchronizationHost Access Status: The primary LUN is readable and writable, and the secondary LUN is not readable or writable
C. double-live Pair running status: normalHost Access Status: The primary LUN is readable and writable and the secondary LUN is readable and writable
D. double-live Pair running status: mandatory startHost Access Status: The primary LUN is readable and writable and the secondary LUN is readable and writable
عرض الإجابة
اجابة صحيحة: D
السؤال #18
The MTTR indicator is used to describe the average continuous failure-free time during operational use or testing.
A. True
B. Falsecorrect
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اجابة صحيحة: B
السؤال #19
Which of the following descriptions of HyperMetro's arbitration server mode is wrong? (Multiple choice)
A. It is recommended that the arbitration server be deployed in a data center with good storage performance
B. In arbitration server mode, if a site has priority in obtaining genres, you can also configure site priority
C. The active-active domain contains array A, array B, and the arbitration server
D. If the arbitration server fails, the business will continue to operate normally
عرض الإجابة
اجابة صحيحة: AC
السؤال #20
A company's business runs on a Linux system (with a Linux 2.6 kernel) and is connected to storage via ISCSI. Engineers tested and found that the read and write bandwidth of the host accessing the storage is very low, causing application stalls and read and write errors. Which of the following actions would help resolve the issue in this scenario? (Multiple choice)
A. Change the Linux block device queue depthcorrect
B. Change the CPU operation mode of Linux to downclocking
C. Change the amount of pre-reading in Linuxcorrect
D. Change the Linux block device 10 scheduling policycorrect
عرض الإجابة
اجابة صحيحة: ACD
السؤال #21
When deploying a backup network, in order to ensure the best performance of the ISCSI network, which of the following statements is correct? (Multiple Choice)
A. GE network bandwidth often becomes the bottleneck of backup performance
B. Try to avoid routing the backup network
C. Try to deploy the backup network in the local area network
D. Assign separate VLANs to the backup network on the switch
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #22
Currently, there are more and more demand for centralized storage of different types of services, and different types of services have different storage requirements. A company plans to purchase a set of OceanStor V3 storage, configure 10 600GB SSD disks, 20 1.2T SAS disks, 40 4TB SATA disks, and plan to deploy oracle database, Exchange mail application and video application on this storage device. Which of the following configurations can improve overall business performance? (Multiple choice)
A. Set 4 SSD to SmartTien and configure all remaining disks into one disk domain and one storage pool and enable SmartTier
B. For the LUN that provides the Oracle datastore, the write cache is set to WriteBack
C. Create separate disk domains and storage pools for video applications
D. Enable SmartTier for LUN that provide mail data storage, and set the migration policy to automatic migration
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #23
The customer replaced the old storage based on volume migration. Which parts need to be checked and verified before officially launching the business? (Multiple choice)
A. File group, file system mount pathcorrect
B. Hard disk load and other situationscorrect
C. Storage multipath redundancycorrect
D. Complete information about volume groups and volume informationcorrect
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #24
Which steps required on the target side in the Exchange 2013 DAG migration solution? (Multiple choice)
A. new create CAS servercorrect
B. new create Mailbox servercorrect
C. Add the target Mailbox server to DAGScorrect
D. Add a database copy to the source Mailbox server
عرض الإجابة
اجابة صحيحة: ABC
السؤال #25
The following about Huawei OceanStor V3 series storage array synchronous remote replication and asynchronous remote replication, which is wrong? (Multiple choice)
A. synchronous remote replication and asynchronous remote replication are use bitmap progresscorrect
B. synchronous remote replication use difference log, asynchronous remote replication use difference bitmap
C. synchronous remote replication and asynchronous remote replication are use the snapshotcorrect
D. remote replication consistency group one task failure will not affect other tasks in the groupcorrect
عرض الإجابة
اجابة صحيحة: ACD
السؤال #26
Huawei OceanStor storage two controllers' BBU appear faulty alarm, at this time, which of the following description about the upper business is correct?
A. Upper business IO read and write will not have any impact
B. If the device at this time accidental power-down, part of the business data will be lost
C. Operational performance is not affected
D. The system does not work normally
عرض الإجابة
اجابة صحيحة: B
السؤال #27
A company plans to deploy a disaster recovery system, requiring that when a data center-level failure occurs, the business will not be interrupted and the business data will not be lost. It plans to use a two-site three-center interconnection frame. Which of the following solutions can meet the requirements?
A. Local high availability architecture based on active/standby mode
B. Two-site three-center architecture based on dual-center active-standby mode
C. Two-site three-center architecture based on dual-center mutual backup mode
D. Two-site three-center architecture based on dual-center dual-active modecorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #28
A customer's database application is running on an OceanStor V3 storage system. The database uses six LUNs. The customer wants to migrate data from the OceanStor V3 storage system to an OceanStor 18000 series storage system based on the functions provided at the storage side. Which statements are true? (Multiple Choice)
A. If you use the HyperReplication function to migrate data on multiple LUNs used by the database, you must add multiple remote replication tasks to one consistency group
B. The HyperReplication function can implement online data migration
C. After data is migrated using HyperCopy or HyperReplication, services can be started without the need to make any configuration on the host
D. If data is migrated using HyperCopy, the migration speed can be dynamically changed during the copy process
عرض الإجابة
اجابة صحيحة: ACD
السؤال #29
Which of the statement about OceanStor V3 storage system tuning process is wrong?
A. need to understand the business (applications and data, etc
B. after tuning all systems involved in performance bottlenecks configuration parameters, and then determine whether the tuning goals is completed
C. before tuning to be backed up business systems and data
D. process monitoring and analysis of the business performance data, confirm the performance bottlenecks and analyze the root cause
عرض الإجابة
اجابة صحيحة: B
السؤال #30
For various types of storage product portfolios, Huawei has launched a series of data management software to support the management and operation of different storage. Which of the following data include? (Multiple choice)
A. DeviceManagercorrect
B. eSightcorrect
C. Decanstorcorrect
D. eServicecorrect
عرض الإجابة
اجابة صحيحة: ABCD

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