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When the Windows copy program copies local files to the file system, the file system block size of the HUAWEI OceanStor storage system is the default, which ensures the full use of storage space.
A, right B, wrong answer: B
The SmartCache feature in HUAWEI OceanStor series products can only improve read performance, not write performance.
If an enterprise is backing up data, the data flow does not go through the production server, but through an independent network
Transmission, what kind of backup network is used for this kind of backup?
Description 1: The file system of the SAN storage is deployed on the storage side, and the file system of the NAS storage is on the host side.
Description 2: Dynamic tiered storage can achieve data migration between storage media with different performance
86. When using the NFS protocol, adding clients and setting read and write permissions have an impact on performance.
What is the description of file-level HyperSnap feature data recovery in HUAWEI OceanStor storage system, which
Are these correct? (Multiple choice)
OceanStor V3 series storage can only support iSCSI or FC host links separately, not both
Connect to the network.
The NAS device performs functions such as file service, storage, retrieval, and file access on the basis of a general-purpose server
optimization.
In the LAN-Base networking, both the service flow and the data flow take the LAN network, and occupy a large bandwidth.
Is the following description about Quota tree correct?
A, Quota tree is a first-level directory under the file system
B. Only administrators can create, delete, rename, etc. through the command line or GUI management interface.
Users can delete the empty Quota tree
C, Quota tree can be renamed and deleted when sharing through agreement
D. Ordinary users can perform quota management on the number or capacity of files under Quota Tree
In a RAID5 composed of three disks, if 10110110 and 11010011 are written simultaneously,
Two data disks with the same stripe, then 01100101 will be written to the verification disk.
Among the following options, what is the correct sequence of the basic business configuration process for data center block storage?
1. Create a mapping view. 2. Create a storage pool. 3. Create a hard disk domain. 4. Create a LUN and create a LUN group. 5.
Create a host group. 6. Log in to DeviceManager
A, 6->2->3->4->5->1
B, 6->3->2->4->5->1
C, 3->2->4->5->1->6
D, 4->5->2->3->1->6
In the HUAWEI OceanStor storage system, a customer plans to deploy 3 sets of systems, a set of business systems, to run
Oracle database, which requires high random read and write performance; a mail system for daily mail processing; a video system
System to save long-term archived videos. When creating LUNs for each system separately, the following about SmartTier policy settings
the correct one is? (Multiple choice)
According to the changes in the amount of backup data, the types of backup can be divided into:
Xiao Wang, an employee of a small business, accessed the CIFS protocol on a Linux application server supported by his company's storage system
Ask about shared files.
The data center is an infrastructure built for accessing and carrying server services. According to the business, the data center can be
Divided into: (multiple choices)
Create a Thin LUN on HUAWEI OceanStor with a capacity of 100G and an initial allocated capacity of 10G, then
After mapping this LUN to the Windows 2012 host, the corresponding disk scanned on the host, the disk shows
The capacity should be 10G.
Which of the following describes the file access protocol correctly? (Multiple choice)
The RTO in the disaster recovery system measurement index refers to the point in time when the system and data must be recovered after the disaster begging.
In the scenario where only 2 disks are in the RAID group, which one of the following uses data striping?
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.
Which of the following is incorrect regarding the differences of IP SAN and FC SAN?
Which ports in the FC switch can communicate with each other is determined by the zone.
A single-platter or multi-platter disk allows only one head to read and write data at a time.
For the data stored on the medium, there is no need to physically crush or sell it as the data recorded on the paper
Ruined situation.
Fibre Channel is a dedicated protocol used in enterprise-level SAN networks for communication between hosts and storage devices or between storage devices. It features high transmission efficiency, long transmission distance, and high security and reliability.
Statement 1: Fiber optic cables must be bended with a minimum radius of 10 centimeters. Statement 2: Bends and dirt causes the light signal to be weaker and the sensor cannot detect the light pulse then.
Which of the following are deployment modes of cloud computing? (Multiple Choice)
Storage controllers are only connected to disk enclosures within the SAN network.
Which of the following statements about the coffer disks of the HUAWEI V3 series storage systems are correct?
(Multiple Choice)
Situation: Disk Domain A has 40 disks, Disk Domain B has 20 disks. True or False: the rebuild time for a failed disk in Disk Domain B is longer than for a failed disk in Disk Domain A.
Which of the following technologies are able to quickly obtain valuable information from a variety of data types in a short period of time from a collection of vast amounts of data?
Statement 1: We have a a RAID5 protected group of disks. The protection level increases if we add more disks to the group. Statement 2: With a RAID 10 set the number of disks must be greater than 8 to always survive a dual disk failure.
Which of the following occurs after multipathing software is installed on a host? (Multiple Choice)
A company that primarily has static data (like map data or JPG files) does not profit much from the HUAWEI OceanStor SmartTier functionality.
Which of the following statements are characteristics of pre-copy technology?
(Multiple Choice)
It is an electronic device controlled by a motor that moves the hard drive head arm. Which of the following component fits the above description?
Statement 1: DAS solutions are islands of storage and that is why it is easy to make backups. Statement 2: Most SCSI devices today use HVD technology.
Which of the following are attached to the storage system serially? (Multiple Choice)
Which of the following operations is a daily maintenance item in data center storage?
Which of the following are the 3 layers of components that storage systems are made up of?
(Multiple Choice)
Which of the following descriptions of NAS solutions are correct? (Multiple choice)
Which one of the following component is responsible for rotating the disk platter in the disk drive?
The QoS of the file system supports IO priority configuration and policy configuration.
A company is mainly used for file system sharing in Linux, UNIX, Mac OS and VMware operating system environments.
Which of the following file access protocols is suitable for this company?
The FCoE protocol refers to encapsulating the FC protocol into a TCP/IP protocol package and transmitting it on Ethernet.
SCSI communication is initiated by the initiator and received and processed by the target. When the host and the storage device communicate, the storage device
The side assumes the role of initiator.
If a company’s business is to write large-scale data randomly into the LUN, which capacity initial allocation strategy and which
Kind of data migration strategy?
The dual-controller storage system generally contains a mirror channel, and data written to the storage system cache will be written through the mirror channel
Into the peer controller.
After employee A of a company logs into the storage device of the company system, he finds that he has certain control rights. But not repairable
If the system time is changed, user management cannot be performed. May I ask which of the following roles does Employee A have?
Distributed object storage has a unified namespace, and supports online expansion.
The SCSI protocol is the basic protocol for host and disk communication. It is operated by the SCSI controller, the controller is equivalent
For a small CPU, it has its own command set and cache.
The amount of data in an incremental backup is larger than that in a differential backup.
Which of the following statements about Huawei RAID 2.0+ are correct? (Multiple choice)
The following different types of SSD disks have the lowest unit capacity price:
A, SLC
B, eMLC
C, cMLC
D, TLC
TESTED 21 Nov 2024
