H13-612-ENU HCNA-Storage-BSSN exam dumps

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Share some HCNA H13-612-ENU exam questions and answers below.
Which of the following options are not the necessary components of FC SAN environment ? (multiple choice) 
A. storage device 
B. FC switch 
C. FC HBA 
D. Windows operating system 
Answer: AD

About Huawei 2.0+ advantage, Which description is correct? (Multiple choice) 
A. data on the hard disk storage pools automatically load balancing, avoiding hard disk uneven cold and heat, thus reducing the failure rate of storage system as a whole 
B. overcome the target disk (hot standby) performance bottlenecks of traditional RAID reconstruction , making the reconstructed data stream write bandwidth is no longer a bottleneck of reconstructed speed, thereby greatly enhancing the reconstruction speed and reduces the double disk failure probability, enhance the reliability of the storage system 
C. There is no writing punishment in RAID2.0+ , overcome the impact of writing punishment to LUN writing performance of RAID5 and RAID6 level in the traditional RAID technology ,lead to a single LUN performance improved dramatically. 
D. data on a single LUN distributed to many different hard disk, to avoid the hard disk hotspot, lead to a single LUN performance and capacity has been increased dramatically. 
Answer: ABD

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 file 
B. You can restore the original file with logical error 
C. can recover the original file deleted by mistake 
D. You can restore files on the file system with physically failure 
Answer: BC

In Huawei Oceanstor V3 system, which of the following description about smartThingLUN is right? 
A. when creating a thin LUN it cannot be assigned to a larger pool of available storage space than the space where capacity. 
B. When create thinLUN, you can not specify an initial allocation capacity 
C. a storage pool's LUN type must be consistent, either all are thinLUN, or all are thickLUN 
D. When creating smartThinLUN, only consume very little storage capacity 
Answer: D

In Huawei Oceanstor V3 storage system, which of the following description about HyperClone is wrong? 
A. Clone is one of snapshot technology, a complete copy of the source data at some point in time, it is a kind of incremental synchronization backup mode 
B. can be split into two independent LUN 
C. reverse synchronization allows the changed data from the LUN copy to the original LUN 
D. When you create a clone,the original LUN can be ThickLUN, slave LUN is ThinLUN. 
Answer: C

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 engine 
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 both 
D. remote replication function can not be carried out between 6800 V3 across and 5300 V3 
Answer: C

In the following different types of SSD disks, whose unit capacity price is lowest?  
A. SLC 
B. eMLC 
C. cMLC 
D. TLC 
Answer: D

Oceanstor V3 control box has BBU module, can in the case of sudden outage, sustainable power supply for the control box, make sure that the storage system write data in the Cache to safe dish, avoid data loss 
A. TRUE 
B. FALSE 
Answer: A

In Huawei Oceanstor V3 storage system, if a hard disk domain performance layer has 50 pieces of SAS hard disk with same parameters, and hot standby strategy is high, then how many pieces of SAS hard disk capacity does the system will reserve for that layer to do hot standby space ? 
A. 2 pieces of hard disk 
B. 3 pieces of hard disk 
C. 4 pieces of hard disk 
D. 5 pieces of hard disk 
Answer: C

In Huawei Oceanstor V3 storage system, a LUN can create multiple snapshots, but only a snapshot in active state. 
A. TRUE 
B. FALSE 
Answer: B

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