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The following different types of SSD disks have the lowest unit capacity price:
A, SLC
B, eMLC
C, cMLC
D, TLC
The following description of NAS is correct:
Description 1: NAS is always based on file sharing.
Description 2: The distance of the network connection affects the performance of the NAS.
A, Description 1 and Description 2 are correct.
B. Description 1 is correct, description 2 is incorrect
C. Description 1 is wrong, description 2 is correct
D, description 1 and description 2 are wrong
Which of the following three disaster recovery technologies are commonly used? (Multiple choice)
According to the changes in the amount of backup data, the types of backup can be divided into:
In a traditional RAID group, when a certain number of hard drives fail, the entire RAID group can prevent data loss, and
The data recovery process has not been started. What is the status?
What is wrong with the following description of DAS?
A, DAS refers to the storage device is directly connected to the server through a SCSI cable or Fibre Channel
B. The data in DAS mode is still scattered, and each application has a set of storage devices. Management is decentralized and cannot be centralized
C. When the server and the storage device are directly connected, new application requirements arise, only for the newly added server
Separate storage device configuration, resulting in repeated investment
D, DAS storage space can be fully utilized, storage devices that can be shared by different application servers, fully
Leverage idle storage space
SAN network-based data replication technology is a storage area network between front-end application servers and back-end storage systems
Network (SAN), adding a layer of intelligent switches, the front end is connected to the server host, and the back end is connected to the storage device.
According to the physical location of the NAS engine and storage device, the NAS is divided into: (multiple choices)
With the advent of the era of big data, the corresponding storage technology is also undergoing changes.
Is the following statement correct? (Multiple choice)
For a system with high business continuity to find that, the characteristics of RPO and RTO values ??should be:
A, RPO is higher, RTO is lower
B. RPO is lower, RTO is higher
C, RPO and RTO are lower
D, RPO and RTO are higher
Bank's bill imaging system often stores structured data on a SAN array, and unstructured data
On the NAS array.
In the FC protocol, which of the following layers is responsible for encoding and decoding?
A, FC-0
B, FC-1
C, FC-2
D, FC-3
Distributed object storage has a unified namespace, and supports online expansion.
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?
CKG is composed of multiple CKs on different hard disks of different types in the hard disk domain.
In Huawei storage systems that use RAID 2.0+ technology, a hard disk domain can only contain one type of hard disk.
A reliable ICT infrastructure, to avoid a single point of equipment failure, or even a single point of personnel problems.
In the HUAWEI OceanStor storage system, which protocol is used for the mirror channel between the controllers?
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.
Regarding OceanStor V3 LUN deletion, what is wrong in the following description?
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.
The port selected by the IP drift strategy has nothing to do with the port rate, only related to the location of the port, the order of selecting the port
Yes?
1. Port at the same position of the remote controller
2. Ports at other locations of the peer controller
3. The port of the local controller
Description 1: When Windows mounts a CIFS share with the same IP address (domain name or machine name), the same user can
You can mount one or more shares at the same time, but you cannot use different users to mount the same or different shares.
Description 2: Windows cannot share multiple Homedir shares with the same IP address (domain name or machine name)
The user mounts multiple shares.
The following description of the characteristics of the LAN-FREE backup method is incorrect:
The advantages and disadvantages of the disaster recovery technology of the host layer, network layer and array layer, the following statement is correct? (Multiple choice)
An enterprise adopts cloud-level primary and backup data-level disaster tolerance. During business planning, two types of storage can be divided according to actual needs.
LUN: Protected LUN and unprotected LUN, create VMs that need disaster recovery on the protected LUN, and configure only the protected LUN
Set up array replication to save the storage space requirements of the disaster recovery center.
Regarding the characteristics of the four disaster recovery modes of active-active, hot standby, warm standby, and cold standby, what is wrong in the following statement?
Regarding data-level, application-level and business-level disaster recovery, is the following statement correct?
In the Huawei storage system using RAID2.0+ technology, regarding the difference between Thick LUN and Thin LUN, the following
Which description is correct? (Multiple choices)
An e-commerce website usually has a relatively stable business volume, so I purchased the server and built a private cloud operation
During the Double Eleven promotion, the business volume is very large, so we rent the server from the operator's public cloud to share the festival's burden
Netherlands, this cloud computing deployment model belongs to?
What is wrong with the following statement about disaster recovery drills? ,
Use the CIFS protocol to access the share. When the share name and the user name are the same, the shared order of access is:
When a company's customers need to complete data migration between devices, what features can be used to complete? (Multiple choices)
Backup is concerned with data recoverability, and disaster recovery is concerned with business continuity.
Description 1: The file system of the NAS is managed by a storage or server that provides resources.
Description 2: The file system of the SAN is managed by the host itself.
Snapshots used for backup purposes should be set to read-only to prevent modification by other applications and affect the backup data
consistency.
The initial capacity allocation strategy of HUAWEI OceanStor storage system defaults to automatic allocation.
The SmartTier intelligent data grading feature requires three types of hard drives in the storage pool.
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)
The data backed up by the differential backup is relative to the data added and modified after the last full backup.
The OceanStor 6800 V3 frame itself can be configured with four controllers or only two controllers. If configured as dual control
The power supply and BBU are fully configured, and the interface cards and controllers are all arranged in the upper row.
Semi-structured data is generally self-describing, and the structure and content of the data are mixed and there is no obvious distinction.
What are the following types of disaster recovery at the host layer? (Multiple choice)
Among the components of the mechanical disk, the parts responsible for reading and writing data are:
When the disk is not accessible, what kind of reconstruction method is used when writing to the disk?
What are the three data centers in the disaster recovery plan that 3DC refers to? (Multiple choices)
The FCoE protocol refers to encapsulating the FC protocol into a TCP/IP protocol package and transmitting it on Ethernet.
What is wrong about the relationship between FC protocol and SCSI protocol?
Description 1: The data recovery of the snapshot depends on the source data. If the source data is physically damaged, it cannot be recovered. and
In this case, the clone can still restore the source data.
Description 2: After the source data is damaged, the LUN copy must completely copy the backup data to restore the source data. And clone only
Damaged data needs to be recovered, which greatly reduces the recovery time.
A, description 1 is correct, description 2 is correct
B. Description 1 is right, description 2 is wrong
C, description 1 is wrong, description 2 is right
D. Description 1 is wrong, description 2 is wrong
What are the maintenance items of the data center storage administrator? (Multiple choices)
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 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.
There are two descriptions about backups:
Description 1: You can use the data backed up on the tape for data recovery at any time, but you can only recover to the backup moment
Historical data, not the data at the time of failure.
Description 2: Using tape as the backup medium is the highest RTO backup method.
Which of the following statements about Huawei RAID 2.0+ are correct? (Multiple choice)
In RAID 2.0+, the administrator needs to manually set which hard drives are designated as hot spares.
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.
The QoS of the file system supports IO priority configuration and policy configuration.
Regarding the traditional model and cloud computing model, high reliability in the data center and cross-data center disaster recovery methods, the following says
What is wrong?
OceanStor 5300 V3 is a dual-controller converged storage product, which must ensure the working controller and attribution control of the LUN
The controller is consistent.
A government unit adopts Huawei’s two-site, three-center solution for disaster recovery construction, and its business is mainly concentrated from 8:00 to 18:00.
What is wrong with the following approach?
What are the main functions of the business continuity solution? (Select All that Apply)
Regarding the common components of ICT, is the following statement correct?
Which of the following statements correctly describe the improvements of SAS technology compared to SCSI? Select All that Apply.
When configuring Thin LUN, not all configured storage space is allocated upon creation. The storage space for Thin LUN will only be allocated when it is used.
An Internet company plans to purchase a storage device to store archived service data and online transaction data. SSDs are expensive and HDDs cannot meet the performance requirements of online services. Which features CANNOT solve this problem? (Select All that Apply)
In Huawei storage systems, which feature can be used to periodically detect and migrate hot data from the capacity tier to the high-performance tier?
Which of the following best describes the relationship between the storage and host in DAS?
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.
All components of storage devices use the redundancy design to ensure system reliability. Redundant modules include controller modules, management modules, BBU modules, interface modules, power modules, and fan modules
A single-platter or multi-platter disk allows only one head to read and write data at a time.
The following are the characteristics of the clustered NAS storage architecture: (multiple choice)
What is required to add additional controllers to an existing HUAWEI OceanStor system?
The following two descriptions are correct:
Description 1: Synchronous remote replication, when the primary storage fails, the amount of data lost can be 0.
Description 2: When the host is a Linux-based file system, asynchronous remote replication must be used.
If a disk domain has multiple disk types, the storage pools in that disk domain MUST have multiple disk types in them.
Which statements are true about the ports of a Huawei OceanStor all-flash storage device? (Select All that Apply)
The following two descriptions are correct:
Description 1: The maintenance cost of traditional PC is usually lower than that of desktop cloud.
Description 2: In cloud computing, data is stored and managed centrally.
NAS provides file sharing services through protocols such as NFS and CIFS.
A bank purchases a new storage device. During the RAID level configuration, the bank requires that data reliability be improved and parity data be stored on different disks. Which RAID levels can meet the requirements? (Select All that Apply)
Which is the correct order for evolution of mid-range storage architectures?
1) Fixed storage system configuration
2) Dual-controller active-active redundancy configuration
3) Flexible hardware component configuration
4) Flexible software function configuration
In the scenario where only 2 disks are in the RAID group, which one of the following uses data striping?
Which statements are true about the functions of HyperClone? (Select All that Apply)
Which of the following technology segregates the nodes in the SAN fabric into multiple networks and allows access control of the members?
What three stages do storage systems need to go through to realize SmartTier? (Multiple choice)
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.
Huawei OceanStor hybrid flash storage is used as an example. Which statements are true about IP address failover? (Select All that Apply)
Which ports in the FC switch can communicate with each other is determined by the zone.
Which of the following statements about storage file systems is incorrect?
Which of the following system model is a direct representation of the SCSI connection between the SCSI Initiator and Target?
Description 1: HyperMirror has a LUN failure, the host service is not interrupted, the HyperClone primary LUN fails, and the host service is interrupted.
Description 2: HyperMirror supports dual copies, HyperClone supports a maximum of 1 master LUN: 16 slave LUN mode.
Huawei V3 series storage system hardware includes controller enclosures and disk enclosures. Which of the following statements about controller enclosures is correct?
A differential backup holds all changes that were made since the last successful full backup.
In order to make full use of storage resources, on which tier are SSDs usually configured in a tiered storage system?
Match the operating system with the protocol. The operating systems include:1.Windows 2.Linux 3.Apple OSX; The protocols incude: A-NFS B - CIFS C - SMB
The mount command is used in Linux-based clients to connect the client to the NFS share.
A backup set is a group of data that is backed up in a batch. A backup set can be used for either full backup or incremental backup.
HyperReplication for HUAWEI OceanStor can use FC links the data centers. ISCSI links are not supported.
About HUAWEI OceanStor, the following 2 statements:
Statement 1: With the SmartTier feature the SSD disks are in the Performance Tier.
Statement 2: No more than 3 tiers can exist in the OceanStor V3 storage arrays.
A bank will launch a business system, which has very high performance and security requirements, and the database uses Oracle data
Database and plan to deploy the Oracle database to a storage system, then create a RAID group for the Oracle database
At this time, the optimal RAID strategy should be:
What is the main purpose of backup battery units (BBU) in storage controllers?
When the RPO is minutes instead of hours the best backup method is traditional Tape backup.
In the backup system, the data that needs to be backed up must go through the media server before being stored in the backup medium.
The failure of an SSD is more predictable than that of other disk technologies.
Many companies gather so much data that they cannot extract the right information from the data,
For random access to mechanical disks, the most significant impact on the time it takes to complete an IO is:
If no data migration plan is set, with SmartTier enabled, there will be no data movement at al between tiers.
Storage array is a network device used to switching network signals or data. It can provide a dedicated communication channel between any 2 nodes in the network that is connected.
The restore time objective (RTO) specifies the time needed to recover the data and servers after after a disaster has occured,
Which of the following statements about RAID 5 are correct? (Multiple Choice)
Which of the following statements are characteristics of pre-copy technology?
(Multiple Choice)
Which of the following dimensions are often used to express the data used in Big Data scenarios? (Multiple Choice)
What is best described as: the time it takes for the desired data to be beneath the read head when the head is on the correct track?
You are the storage administrator of a media company that stores a lot of media files such as videos. You are asked to propose a proper storage architecture for a new storage system that stores all the video and graphic files of the company. The requirement is that it could run on commodity hardware in a distributed manner for unstructured data. Choose which one of the following architecture would be the better option.
The only cable type that can be used to connect disk enclosures is the mini SAS cable.
TESTED 12 Sep 2025
