The HCNA-Storage-BSSN exam covers storage basics; RAID technology and common use RAID types; FC-SAN and IP-SAN architecture and applications; SCSI, FC, iSCSI protocol basics; NAS architecture and share technology; S2600T/S5000T series products networking, configuration and maintenance and basics of Huawei full range storage products. Backup and Recovery, Disaster Recovery and Application, Basics of Cloud Computing, Basics of Data Centers, Big Data Basics, IT O&M.
H13-611-ENU HCNA-Storage-BSSN Knowledge Points
1). Storage system basal components, storage media type and features, HDD basal knowledge.
2). RAID principle and different RAID levels'(0, 1, 3, 5, 6) features and typical application scenario.
3). DAS, SAN, NAS concepts, features and architectures. SCSI, FC, iSCSI, CIFS, NFS technology.
4). Huawei OceanStor T series storage products' function, hardware, interface and typical network.
5). SAN storage configuration (RAID, LUN, hosts, mapping etc.).
6). SAN storage connection with Windows, Linux OS platform, Ultrapath principle and configuration
7). SAN storage product maintenance workflow, tool usage, information collection, inspection, routine maintenance, upgrade, parts replacement etc.
8). Technologies of backup and disaster recovery.
9). Big Data basics technologies and Huawei Big Data product introduction.
10). Cloud Computing Basics knowledge.
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Question No : 1
In Huawei Oceanstor V3 storage system, a hard disk domain can contain only one type of disk.
Question No : 2
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
Question No : 3
Cloud data center on the basis of data center to virtualize storage resources, computing resources, network resources, etc., providing a virtualization platform.
Question No : 4
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.
Question No : 5
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
Question No : 6
In Huawei Oceanstor V3 storage system, a LUN can create multiple snapshots, but only a snapshot in active state.
Question No : 7
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.
Question No : 8
Which of the following is the correct configuration process of Huawei Oceanstor V3 storage system ?
A. Create storage pool----create LUN----add mapping
B. Create storage pool----add mapping----create LUN
C. Create LUN----create storage pool----add mapping
D. Create LUN----add mapping----create storage pool
Question No : 9
Which of the following description about Huawei RAID 2.0+ technology is correct?
A. Each storage layer hard drive type in the hard disk domain is the same
B. hard disk space is divided into fixed-size pieces
C. Users can respectively set "RAID policy" for each of the storage layer in the storage pool
D. grain as the smallest particle of data migration and basic units of ThickLUN composition
Question No : 10
In the device Manager of Huawei Oceanstor V3 , when selecting RAID strategy, which description is correct?
A. When selecting RAID5, you can choose RAID policy of 5D + 1P
B. When selecting RAID5, you can choose RAID policy of 4D + 1P
C. When selecting RAID5, you can choose RAID policy of 8D + 1P
D. When selecting RAID6, you can choose RAID policy of 4D + 2P
Question No : 11
Huawei RH series server BMC management IP can not through the BIOS to set.
Question No : 12
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
Question No : 13
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
Question No : 14
Which of the following is the Hadoop distributed file system?
Question No : 15
Compared the NAS storage system and file server, what are the advantages of NAS storage system ?
A. high stability, high availability
B. service diversification, powerful
C. large storage space
D. high data security
Question No : 16
When Oceanstor 5300 V3 control box extend from 2 control to 4 control, can be used directly connected network, also can be used in a switch network
Question No : 17
Which of the following description about DAS is wrong?
A.DAS is directly connected to the specified storage device to their server
B.DAS is divided into internal DAS and external DAS
C. server internal hard disk is not the DAS
D. external DAS can be directly connected to their access server via FC protocol or SCSI protocol
Question No : 18
RTO in disaster recovery systems measurement index refers to after the disaster, system and data must be restored to the time objectives requirements.
Question No : 19
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
Question No : 20
Reasure Code redundancy technology is a superset of RAID technology, compared with traditional RAID technology, Reasure Code provides better flexibility.
29 May, 2018 7:30am
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28 May, 2018 7:31am
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ABUBAKAR J. HAMID
27 May, 2018 7:23am
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23 May, 2018 7:31am
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