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السؤال #1
SmartThin is a storage space management technology provided by Huawei OceanStor V3 storage system that allocates storage resources on demand. Based on virtualization technology, SmartThin reduces the deployment of physical storage resources and maximizes the utilization of storage space.
A. Truecorrect
B. False
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اجابة صحيحة: A
السؤال #2
In ICT infrastructure storage architecture, providing block storage excuse instead of file system is ( ).
A. DAScorrect
B. SANcorrect
C. NAS
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اجابة صحيحة: AB
السؤال #3
The only cable type that can be used to connect disk enclosures is the mini SAS cable.
A. FALSE
B. TRUE
عرض الإجابة
اجابة صحيحة: B
السؤال #4
Most of the data generated by the Internet industry is structured data, and this part of the data accounts for about 80% of the total amount of data.
A. True
B. Falsecorrect
عرض الإجابة
اجابة صحيحة: B
السؤال #5
Based on common ICT architecture, what effect does network latency have on the performance of networks?
A. Low latency will cause network performance to drop
B. Higher latency has better network performance
C. Higher latency allows more data to be transmitted
D. Low latency allows quicker data transmission in networks
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اجابة صحيحة: D
السؤال #6
Cloud data center on the basis of data center to virtualize storage resources, computing resources, network resources, etc., providing a virtualization platform.
A. TRUEcorrect
B. FALSE
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اجابة صحيحة: A
السؤال #7
It provides connection between sets of nodes and allows the connected devices(nodes) to communicate with each other but it is not a device . Which of the following fits the above description?
A. Host
B. Network
C. Storage Array
D. Switch
عرض الإجابة
اجابة صحيحة: B
السؤال #8
What is the description of file-level HyperSnap feature data recovery in Huawei OceanStor V3 storage system, which Are these correct? (Multiple choice)
A. can restore a single filecorrect
B. can restore the original file with logical errorscorrect
C. can restore the original file accidentally deletedcorrect
D. can restore the file on the file system with physical failure
عرض الإجابة
اجابة صحيحة: ABC
السؤال #9
The InfiniBand interface is used as a front-end host interface in Huawei OceanStor V3 unified storage, which can flexibly support the direct connection and multiple networking modes of switch.
A. True
B. Falsecorrect
عرض الإجابة
اجابة صحيحة: B
السؤال #10
Regarding the snapshot technology, which of the following statement is incorrect?
A. When rolling back a file system snapshot, you must cancel the shared mount of the source file system
B. After opening multiple snapshots of the same file system, roll back to one of the snapshots
C. When manually creating a snapshot for a file system, if the product specification limit is exceeded, a new snapshot cannot be created for the file system
D. When creating a periodic snapshot for the file system, the storage system automatically deletes the earliest created snapshot and automatically generates a new snapshotcorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #11
Which of the following description about the characteristics of Huawei Oceanstor V3 storage product is correct ?
A. If you need to provide NAS function ,need to purchase additional NAS enginecorrect
B. If you need to take over other manufacturers storage arrays, and integrated into a unified resource pool, you need to purchase additional virtual gateway
C. Data can migrate between SSD and HDD in accordance with the strategy, performance and capacity have bothcorrect
D. remote replication function can not be carried out between 6800 V3 across and 5300 V3
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اجابة صحيحة: AC
السؤال #12
Xiao Wang, an employee of a company, serves as the administrator of the company's storage system. When he uses two sets of OceanStor5500 V3 as a disaster recovery solution, he only needs one of the OceanStor5500 V3 configuration data to remote replication software.
A. True
B. Falsecorrect
عرض الإجابة
اجابة صحيحة: B
السؤال #13
Which one of the following methods can achieve the RTO optimization?
A. Disk-disk
B. Disk-disk-tape
C. Remote replicationcorrect
D. Virtual tape library
عرض الإجابة
اجابة صحيحة: C
السؤال #14
Due to the earthquake, a company's IT system went down at 16:00 on November 11 leading to a business halt. By 23:00 on the same day, the IT system resumed operation and the data at 12:00 of that day can be restored. Then what respectively are the RTO and the RPO?
A. RTO=4 hours, RPO=7 hours
B. RTO=7 hours, RPO=4 hourscorrect
C. RTO=2 hours, RPO=4 hours
D. RTO=7 hours, RPO=3 hours
عرض الإجابة
اجابة صحيحة: B
السؤال #15
Statement 1: Multimode optic cables are usually longer than single mode cables. Statement 2: Sharp cable bends lead to weaker signal at the end of the cable.
A. Statements 1 and 2 are both true
B. Statement 1 is true and statement 2 is false
C. Statement 1 is false and statement 2 is true
D. Both statements 1 and 2 are false
عرض الإجابة
اجابة صحيحة: C
السؤال #16
Two CKs in a CKG of RAID 2.0+ can come from the same hard disk.
A. True
B. Falsecorrect
عرض الإجابة
اجابة صحيحة: B
السؤال #17
In Huawei Oceanstor V3 storage system, Which description about file-level HyperSnap characteristic data recovery are correct? (Multiple choice)
A. You can restore a single filecorrect
B. You can restore the original file with logical errorcorrect
C. can recover the original file deleted by mistakecorrect
D. You can restore files on the file system with physically failure
عرض الإجابة
اجابة صحيحة: ABC
السؤال #18
Which one of the following methods can achieve the RTO optimization?
A. Disk-disk
B. Disk-disk-tape
C. Remote replicationcorrect
D. Virtual tape library
عرض الإجابة
اجابة صحيحة: C
السؤال #19
When there are bad sectors or bad blocks on the hard disk, which reconstruction method is used?
A. Whole disk reconstruction
B. Local Remeshingcorrect
C. Restoration reconfiguration
D. Local remodeling
عرض الإجابة
اجابة صحيحة: B
السؤال #20
The number of erasable times of the storage medium cell of the SSD disk is limited. Multiple erasing causes the wear of the SSD, which also makes the SSD Has a limited period of use, which is related to the number of specific erasures.
A. wrong
B. yes
عرض الإجابة
اجابة صحيحة: B
السؤال #21
In which stage of the lifecycle management of information and data, does the data management operation such as copying and backup occurs?
A. Generation
B. Transmission
C. Maintenance
D. Usage
عرض الإجابة
اجابة صحيحة: C
السؤال #22
Select the correct statements about the structure and functions of the hard disk components. (Choose all that apply.)
A. isk platter is responsible of storing data in binary form
B. he disk connector is responsible of connection and rotation of the platter
C. he spindle is responsible for sending commands to the disk head
D. he actuator is responsible of moving the Read/Write arm
عرض الإجابة
اجابة صحيحة: AD
السؤال #23
HA (High Availability) refers to the ability to continue to access applications in the event of a single component failure of the local system. In a data center, the downtime is one hour in a year. What is the HA of this data center?
A. 0
B. 0
C. 0
D. 0
عرض الإجابة
اجابة صحيحة: B
السؤال #24
Which of the following are the 3 layers of components that storage systems are made up of? (Choose three.)
A. Storage Analysis
B. Storage Solution
C. Storage Software
D. Storage Hardware
عرض الإجابة
اجابة صحيحة: BCD
السؤال #25
Incremental backups must rely on the last full backup and the last incremental backup to perform data recovery Complete recovery, data reconstruction during recovery is slower than full backup, and recovery window is larger.
A. TRUE
B. FALSE
عرض الإجابة
اجابة صحيحة: A
السؤال #26
An enterprise adopts cloud primary and backup data-level disaster recovery. During business planning, storage can be divided into two types of LUNs based on actual needs: protected LUNs and unprotected LUNs. VMs that need disaster recovery are created on the protected LUNs, and only configure array replication for protection LUNs to save the storage space requirements of the disaster recovery center.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #27
The InfiniBand interface is used as a front-end host interface in Huawei OceanStor V3 unified storage, which can flexibly support the direct connection and multiple networking modes of switch.
A. True
B. Falsecorrect
عرض الإجابة
اجابة صحيحة: B
السؤال #28
Statement 1: Hyper Mirror one LUN failure, the host business is not interrupted, Hyper Clone primary LUN failure, the host business is interrupted. Statement 2: Hyper Mirror supports dual copy, and Hyper Clone supports a maximum of 1 primary LUN: 16 secondary LUNs.
A. Statement 1 is correct, Statement 2 is correct
B. Statement 1 is correct, Statement 2 is wrongcorrect
C. Statement 1 is wrong, Statement 2 is correct
D. Statement 1 is wrong, Statement 2 is wrong
عرض الإجابة
اجابة صحيحة: B
السؤال #29
Regarding the snapshot technology, which of the following statement is incorrect?
A. When rolling back a file system snapshot, you must cancel the shared mount of the source file system
B. After opening multiple snapshots of the same file system, roll back to one of the snapshots
C. When manually creating a snapshot for a file system, if the product specification limit is exceeded, a new snapshot cannot be created for the file system
D. When creating a periodic snapshot for the file system, the storage system automatically deletes the earliest created snapshot and automatically generates a new snapshotcorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #30
Statement 1: Virtual Tape libraries allow for a highly scaleable backup strategy as storage can be added later. Statement 2: Virtual Tape Libraries should be used when remote datacenters are NOT available.
A. Statements 1 and 2 are both true
B. Statement 1 is true and statement 2 is false
C. Statement 1 is false and statement 2 is true
D. Both statements 1 and 2 are false
عرض الإجابة
اجابة صحيحة: B

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