The HCNP-Storage-CCSN exam covers OceanStor V3,18000 V3 and Dorado V3 series products technologies. Such as: product software architecture, hardware architecture, basic and advanced features (Smart-x and Hyper-x), system planning and design, system configuration and management, best practice, operation and maintenance, troubleshooting, etc..
H13-621-ENU HCNP-Storage-CCSN V4.0 Key points
1) Huawei OceanStor V3 series storage products technical knowledge.
2) Storage system planning and design.
3) Storage system configuration and management.
4) Typical application and best practices.
5) Storage system operation and maintenance.
6) Storage system troubleshooting.
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Question No : 1
The source LUN of storage array remote copy is 500GB, which of the following LUN can be used as the subordinate LUN of remote copy?
Question No : 2
What the limited number of add LUN from synchronous remote replication in storage array?
A. most can add 1 subordinate LUN
B. most can add 2 subordinate LUN
C. most can add 4 subordinate LUN
D. random add subordinate LUN
Question No : 3
The management mode of ISM integrated storage management software for storage array is the in-band management mode.
Question No : 4
In the process of the whole disk copy, RAID group is in normal condition, all member disks are in available state, data redundancy information of RAID group is complete, and the customer data has no risk of loss.
Question No : 5
Which of the following description of network product warning issued, obtain and process? (Select 3 Answers)
A. warning information of product release in Huawei¡¯s website - > service announcement > warning notice
B. product warning need engineers active learning, for the key issues that need to be tracking management, according to advice of early warning, make active treatment
C. according to the emergency degree of product early warning, arrange rectification or the plan of upgrade, guard actively to the key problem
D. early warning information need 400 hotline engineers to pay more attention, office engineers can don't pay any attention
Question No : 6
Which of the three dimensions are System reliability mainly defined from? (Select 3 Answers)
A. required conditions
B. required time
C. required function
Question No : 7
In the process of deploy Hostagent, mapped the host command equipment, which components of Hostagent are common used to install?
A. HyperManager server
D. HyperManager client
Question No : 8
Find a program of /usr/bin/hot_add on a redhat sever, but not sure whether it is installed with UltraPath rpm package, then what command can run to confirm?
A. rpm -qf /usr/bin/hot_add
B. rpm -ql /usr/bin/hot_add
C. rpm -qp /usr/bin/hot_add
D. rpm -qip /usr/bin/hot_add
Question No : 9
What the common timing index in measure a system reliability? (Select two Answers)
C. the average of failure time
D. the average of fault-free time
Question No : 10
OceanStor storage under the condition of a fan module fault, another fan module automatically improve speed, guarantee temperature can controll under single fan module, at this time also need to replace the fault fan in time.
Question No : 11
How to check whether the hard disk physical condition normal in S5000 system?
A. showdisk -p
Question No : 12
About virtual snapshot storage array configuration, which of the following statement are wrong?
(Select 3 Answers)
A. snapshot function can not use the resource of LUN
B. can create a snapshot of two LUN
C. activate snapshot is the true copy of data
D. snapshot can be used to rollback after stop
Question No : 13
Which command can view the disk normal identified under solaris system?
Question No : 14
Which of the following description of module function within SAN storage array system is correct? (Select 2 Answers)
A. IBS: multipath control module interaction with the host multipath, responsible for sending the read/write command to the appropriate controller
B. FC_front: specific processing the transport layer of host interface protocols, for example: FC, SCSI (iSCSI), SAS
C. DB: management and save the system configuration data D. HMP: responsible for the communication management between the controller (mainly PCIe)
Question No : 15
Virtual snapshots of OceanStor storage must have the support of resources LUN.
Question No : 16
In S5000T disks copy technology of the storage system, which two key parts are included? (Select two Answers)
A. failure prediction
B. data copy
C. disk offline
D. online alarm
Question No : 17
For common maintenance tools of storage array, which of the following description is wrong?
A. information collection tool has the characteristics of graphical interface operation, run across the operating system, multi-language switch and free installation
B. upgrade inspection tool has the characteristics of automatic judgment inspection items, reduce risk and reduce the skill requirements
C. the business management function can realize the visual display device of the current topology connection status
D. DHA service management refers to collecting the hard disk health data/performance data warehousing, support start-stop, set, export, comes back
Question No : 18
About storage arrays between synchronous remote copies and asynchronous remote copies, which statement is correct? (Select 2 Answers)
A. Synchronous remote copies is the data needs to be written to the main LUN and subordinate LUN, when the main LUN and subordinate LUN writting operations are completed, Then this port storage system complete the operation information feedback to the application server. Asynchronous remote copies is the data which is first written to the main LUN, Upon completion of the writting operation, the main port array will complete the operation information feedback to application server, After the data is written to the main LUN, System will record the difference between main LUN and subordinate LUN, Then synchronize according to the type of synchronization which system sets.
B. Asynchronous remote copies is the data needs to be written to the main LUN and subordinate LUN, when the main LUN and subordinate LUN writting operations are completed, Then this port storage system complete the operation information feedback to the application server. Synchronous remote copies is the data which is first written to the main LUN, Upon completion of the writting operation, the main port array will complete the operation information feedback to application server, After the data is written to the main LUN, System will record the difference between main LUN and subordinate LUN, Then synchronize according to the type of synchronization which system sets.
C. Synchronous mode can ensure data synchronization from the main LUN and subordinate LUN, Asynchronous mode has little effect on the system performance.
D. Asynchronous mode can ensure data synchronization from the main LUN and subordinate LUN, Synchronous mode has little effect on the system performance.
Question No : 19
Active-Passive working mode: it is also called the master model, namely at any time only one of two controllers is active, as the main controller, which is used to process the I/O requests of the application server, and the other controller is in idle state, as the standby controller, so that it can take over the work in time when the main controller failure or off Line.
Question No : 20
Which of the following features belongs to the SATA-II? (Select 3 Answers)
A. transmission mode belongs to serial mode
B. double-port transmission
C. NCQ check
D. do not support hot plug
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