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The following describes the characteristics of which kind of backup networking
1. Occupy larger existing network bandwidth.
2. The backup performance is limited.
3. It has a certain impact on the host application.
(single choice) The network connection is required before the initial configuration of the big data system. The networking of Huawei OceanStor 9000 does not include:
The correct statement about the HyperMetro arbitration server model is: (multiple choice)
During data backup, in order to save space, single-selection data may be deduplicated, such as repeated data block A and
For block B, only one copy of data is physically saved, and the index corresponding to block A or B will be deleted.
In the data backup application scenario, which one of the following descriptions about the quality of the optical disc storage medium is wrong?
Which of the following statements about backup networking LAN-free and Server-free is correct?
The storage capacity of site A is 2543GB. The storage capacity of site B is 3000GB. The storage capacity of site B is 3000GB.
The backup data is remotely copied to site A and saved. Consider the case of replication compression, the compression ratio is 3, and the back-end storage capacity required by site A is calculated.
What is the amount?
(multiple choice) The basic principles of daily maintenance of big data storage systems include:
(Judgment) The InfoLocker feature of OceanStor 9000 can be used to meet the business scenario of one write and multiple read.
On the basis of inheriting the high reliability design of OceanStor storage system, HyperMetro has newly designed some solutions
Case-level high-reliability technology maximizes the reliability of the storage active-active solution. HyperMetro’s high-reliability technology is mainly reflected in
Which of the following? (multiple choice)
(single choice) In Huawei OceanStor 9000, which of the following is not an authentication method supported by NFS sharing?
(multiple choice) Which of the following is correct in IDC's description of the characteristics of big data?
Regarding deduplication on the target side, which option is incorrect in the following description?
The system debug log level is used to identify the severity and importance of a log, and eReplication is ranked according to the severity.
The order of decrement can divide the system debug log into the following 4 levels: error, warning, operation, and debugging.
In the Huawei OceanStor backup solution, if the retention time and retention cycle of backup data are configured to be 13 days and 2, respectively,
The actual backup is a 3-day cycle, so how many days are the data retained?
C72 is a large-capacity archive node device with a height of 4U, but it can also be fully equipped with 72 SAS disks to accommodate some Scenarios with high performance and capacity requirements.
What professional storage value-added features does the HDFS interface provide for Hadoop business? (multiple choice)
What is the automatic load balancing method that Huawei OceanStor 9000 InfoEqualizer supports by default for single selection?
The backup plan can prevent the loss of production data or the data center suffers a devastating disaster, the recovery time is short, and the business continuity is guaranteed.
Which of the following descriptions are correct about the data backup strategy? (Multiple choice)
(single choice) Which load balancing method does the Huawei OceanStor 9000 InfoEqualize feature not support?
(single choice) Which of the following is the correct power-on sequence of the Huawei OceanStor 9000 big data storage system?
(single choice) In the Huawei OceanStor 9000, which of the following is not an authentication method supported by NFS sharing?
In the use of OceanStor BCManager eReplication for disaster recovery switchover and fallback testing, the production end and disaster recovery
Both end arrays must support the snapshot feature.
Regarding source deduplication, which one of the following descriptions is incorrect?
Regarding the storage layer data replication disaster recovery technology, which of the following statements is correct?
The backup plan design process is divided into multiple stages. Which of the following stages is in the correct order?
Which option is not included in the three elements of Huawei's main-standby disaster recovery program information survey?
In the Huawei backup solution, Server-Free backup networking involves snapshot technology, which component initiates the snapshot creation
Build order.
The peak write bandwidth of an application is 10MB/s, the average write bandwidth is 200KB/s, and the average write IO size is 4KB (private
The information overhead is about 11%, and the bandwidth utilization rate is 70%). Use FC networking and set to synchronous remote replication mode (consider private
If there is information overhead), which is the correct requirement for network bandwidth?
(Multiple choice) The quota types supported by OceanStor 9000 InfoAllocator are:
In the data backup application scenario, which of the following descriptions belong to the characteristics of a physical tape library? (multiple choice)
The disaster recovery feature of a storage product has an RPO of 30 minutes and an RTO of 15 minutes. Which of the following statements is correct: (multiple choice)
The parameters to be considered when configuring the backup data retention strategy include the policy retention period, retention cycle, and the number of write streams.
The built-in scripts of the disaster recovery management software OceanStor BCManagereReplication are for Oracle, SQL Server
The application supports one-click failure recovery. Which of the following steps is not included in one-click failure recovery?
A company deploys a set of multi-select Huawei distributed storage in data center A and data center B, mainly using block servers
It supports application-related services such as databases and virtual machines, and uses the active-active feature of block services to cooperate with upper-layer applications to ensure business continuity.
For this dual-active scenario, which of the following option descriptions are correct ()
Regarding the read cache process of Huawei's distributed storage multi-level cache technology, which of the following read hits is the priority ()
Multiple choice Expressway reconstruction project A adopts the LightDC ROBO branch solution of Huawei's hyper-converged storage, which of the following
The options reflect the advantages of the program ()
(single choice) Which of the following is the correct power-on sequence of the Huawei OceanStor 9000 big data storage system?
The VSA is installed on the virtual machine, and the MA is installed on the physical machine. Scenarios where this kind of backup networking is not applicable:
The disadvantages of choosing cloud storage as a backup medium are: (single choice)
(Judgment) FusionStorage Block uses a unique data block slicing technology and data based on DHT Hash
The routing algorithm can evenly distribute the data of the volume to the fault domain of a larger resource pool, so that each volume can obtain a larger
IOPS and MBPS performance also makes the load of each hardware resource relatively balanced.
In the data replication technology used for disaster recovery, the data replication technology at the host layer is compatible with servers and storage devices.
When using Huawei OceanStor BCManagereReplication to configure primary and secondary disaster recovery, which of the following operations is not necessary
of?
(multiple choice) The basic principles of daily maintenance of big data storage systems include:
In the HyperMetro dual-active data center solution, the quorum server mode has higher reliability than the static priority mode.
It can ensure the continuous operation of the business under various single point of failure scenarios. Therefore, Huawei's dual-active solution recommends the use of the arbitration server model. A. True
B. False
The object storage services (compatible with Amazon S3 and OpenStack Swift) provided by Huawei Distributed Storage
A RESTful API, the client can access the storage node through the RESTful API to realize data storage.
In the Huawei remote replication solution, which of the following statements is correct?
1. Synchronous remote replication technology can achieve RTU=U, RPO=0,
2. Write data directly to the local storage, and quickly roll back and restore data through snapshot technology
E. A.1 wrong 2 right
F. B. 1 wrong 2 wrong
G. C. 1 pair 2 pairs
H. D. 1 right 2 wrong
Send a control command through the backup server, first take a snapshot (or other similar operations) of the data volume that needs to be backed up,
Make a copy, then use the backup server to mount the snapshot volume, and use the backup server to back up the data on this volume to the backup
On the device. What type of backup networking is described in the above workflow?
In a disaster recovery solution, Huawei remote replication technology is used and a consistency group is established. Which of the following statements is correct?
When selecting the type of data backup, which option is wrong in the following description?
The Huawei 3DC disaster recovery management network is divided into a disaster recovery management network and a production management network, and these two networks must be deployed separately.
Regarding HyperMetro static priority arbitration mode, multiple choices are correct: (multiple choices)
When OceanStor V3 creates a remote replication pair, which of the following is the default synchronization speed?
Huawei Oceanstor 9000 FTP service features include: (multiple choice for this question)
A user plans to deploy an active and standby disaster recovery system. The distance between the active and standby sites is about 1000KM. The RPO is required to be less than 1 minute.
It is recommended to use asynchronous remote replication.
(single choice) Among the following OceanStor 9000 software features, which feature can provide file system snapshots? A. InfoLocker
B. InfoStamper
C. InfoProtector
D. InfoEqualize
DASH Copy is an optimized auxiliary copy, which copies all data blocks from the source disk library to the target disk library each time.
(multiple choice) OceanStor 9000 adopts Erasure code technology to protect data. If a site has 6 nodes,
And the customer wants to ensure that the data can be recovered even if three disks are broken in one strip, the redundancy protection levels that can be adopted are:
The production center has 2080GB of data, which needs to be backed up to the disaster recovery center. The backup window is 6 hours, no deduplication, bandwidth
The utilization rate is 0.8. At least how much bandwidth is needed to meet this backup requirement.
In the Huawei OceanStor backup solution, when configuring the backup software to create a storage strategy, you need to consider which of the following configurations
Module, (multiple choice)
Before deploying Huawei's active-active solution, the customer's current multi-selection network information that needs to be collected includes: (multiple selection)
Multi-choice Oceanstor 9000 (C30) adds the function of internal file copy when file sharing. Which of the following operations can be performed on the client
During operation, when monitoring the Huawei Oceanstor 9000 client, will I not see the data traffic? (multiple choice)
The object storage services provided by OceanStor9000 (compatible with single-select Amazon S3 and OpenStack Swift) are all
A unified RESTful API is provided externally, and the client can access storage nodes through STfulAPI to realize data storage.
C72 is "a large-capacity archive node device with a height of 4U, but it can also be fully equipped with 272 SAS disks to accommodate one
Some scenarios with relatively high performance and capacity requirements.
In a multi-user multimedia on-demand service application, users use different code streams. This application is doing background N8500 cluster IAS storage
When planning storage system LUNs, the prefetch strategies that should be selected are:,
Single-choice N8000 provides fencing function to avoid the occurrence of split brain. What is the incorrect description of fencing function below?
One item?
The deduplication types supported by the Huawei OceanStor integrated backup solution are: (multiple choice)
Huawei's end-to-end active-active data center solution is divided into 6 layers, the six layers are:
In N8500 V200NO01, which of the following commands can be used to check whether the status of the file system is online? ()
In a customer scenario, the front-end uses a GE network and the back-end uses a 10GE network. The following options use the corresponding interface
The correct way is: A. A0-0 and A01 are connected to the back-end 10GE network, and B3-0 and B3-1 are connected to the front-end GE network
B. A0-0 and A0-1 are connected to the front-end GE network, and B3-0 and B3-1 are connected to the back-end 10GE network
C. A0-0 and B3-0 are connected to the front-end GE network A0-1 and B3-1 are connected to the back-end 10GE network
D. A0-0 and B3-1 are connected to the front-end GE network, and A0-1 and B3-0 are connected to the back-end 10GE network
Which of the following options does not belong to the single-spot structure of FusionStorage.
Single choice Which of the following is the correct power-on sequence of the Huawei Oceanstor 9000 big data storage system?
The back-end storage network interfaces of FusionStorage block, file, and object storage clusters must be completely isolated.
When the corresponding physical clusters share a pair of CE6800 switches, VLANs need to be divided to distinguish the back-end storage networks of different clusters. A. True
B. False
Single choice When the Oceanstor 9000 street leveling strategy switch is turned off, when expanding the node, delete or disable the node, add hard disks, and hard disks.
Failure and slow disk scenarios. The system does not generate a balancing task, but if the node is deleted and the balancing strategy switch is turned on, the system will automatically finish
Into data balance.
Regarding source deduplication and destination deduplication, the correct multiple choice is: (multiple choice)
When designing a backup plan, if the application is not in the compatibility list, it cannot be backed up.
When planning the IP address of the back-end storage network of the OceanStor 9000 IB network deployment plan, you need to plan for each node
2 back-end storage IP addresses and 1 temporary IP address
In a relatively large backup domain, using the Simpana backup software, you can set up multiple cs, load sharing, and improve efficiency.
Rate.
Through Huawei OceanStor9000 Device Manager, we can view the real-time OPS performance indicators of the system.
The following options do not belong to the advantages brought by the global cache:
OceanStor 9000 adopts Erasure code technology to protect data. If a site has 6 nodes and the customer
If the user wants to ensure that the data can be recovered even when three disks are damaged in one strip, the redundancy protection levels that can be used are:
In the OceanStor V3 storage system, regarding the remote replication consistency group, what is wrong?
The following options belong to the rules for FusionStorage software deployment: (multiple choice)
Multiple choice The description about the analysis and adjustment of the Oceanstor 9000 system NAS server parameters is wrong: (multiple choice)
The initial data capacity of an application is 500GB. The backup frequency is 1 full backup every week, 6 additional backups, full backup and additional backup
The data retention period is 4 weeks, and the redundancy ratio is 20%. Then the back-end storage capacity for 4 weeks is:
The minimum number of nodes required for an OceanStor9000 cluster deployment is:
Which of the following options describes the Pusi onStorago typical deployment plan correctly: (multiple choice)
Multi-choice Big data storage system schedule maintenance principles include: (Multi-choice)
Which of the following options belong to the function of the CMS cluster? (multiple choice)
Multiple choices, which of the following descriptions of the Huawei Oceanstor 9000 product system is correct? (multiple choices)
Multiple choices The business characteristics of Huawei Oceanstor 9000NFS are correct: (multiple choices for this question)
The customer has a third-party storage system and wants to build a local high-availability solution for the storage system, and plans to purchase OceanStor 5600 V3
And only purchase the HyperMirror license, this plan:
The items that do not belong to the DFS adaptation single-selection layer software module in OceanStor9000 are: (single-selection)
Multiple choices. Which of the following authentication methods are not supported by the CIFS of the Huawei QceanStor 9000 storage system?
In the master-backup disaster recovery plan, the applications that can be protected by RD currently include: (multiple choice)
In the Huawei dual-active disaster recovery solution, the peak write bandwidth of an application needs to be 10MB/s for single selection, and the average write bandwidth needs to be 200KB/s, and the average write bandwidth is 200KB/s.
The I/O volume is 4KB. The bandwidth utilization rate is 70%. How much bandwidth does the application need to deploy synchronous remote replication?
In global deduplication, multiple deduplication copies of different storage strategies use the same deduplication pool as the backup target, which of the following
Items need to be the same? (multiple choice)
Which of the following options describe the reasons for the rapid development of enterprise-level cloud storage: (multiple choices)
With version 10 of Simpana software, Commserver supports not only installation in Windows operating system, but also installation
In the Linux operating system.
For the description of Huawei Oceantor9000 products, which of the following options is incorrect?
Between CE6810-24S20-LI and CE6810-4854Q-EI, use high-speed Ethernet ports (such as QSFP+) and high-speed
Cables can be stacked.
Store the data block in the cache first, and then de-duplicate the tree when the system is idle. The advantage is that it does not affect the performance of data transmission.
The point is that additional storage space is required." What kind of deduplication technology is described above,
A company uses Huawei Distributed Storage Object Service to save transaction orders and enables WORM function
Yes, the administrator finds that some objects can only be read but cannot be modified, so which WORM state these objects may be in ()
Single selection Huawei hybrid flash storage uses a RAID 2.0+ software architecture single-selection structure to realize the virtualization of the underlying media and the virtualized resources of the upper layer.
Simulate, solve the problem of rapid data reconstruction and intelligent allocation of resources at the same time.
Huawei hybrid flash storage system controller subrack and disk subrack are interconnected by mini SAS interface, the highest transmission rate
Up to 8GB/s.
Multiple choice A large Internet company A purchased Huawei hyper-converged storage multiple choice to build an IT infrastructure platform. Which of the following can be applied
Scenes()
ACL can be used to grant permissions, or it can be used to prohibit single-selection restrictions.
LLD (Lom Level Desigm, detailed design) is to clarify the scope and scope of the network design based on the determined target network architecture.
Function deployment plan: The specific design content includes the interaction process of the important business that the customer pays attention to within the scope of the contract, and all the business is in each network element
Function allocation, design of peripheral docking relationship of network elements, docking requirements and compliance with specifications, quantitative calculation of docking resources.
Single Choice Company A plans to adopt hyper-convergence to realize the rapidly changing information needs of the enterprise. The following items are the architectural features of hyper-convergence
()
In the single-selection RAID2.0+ technology, what is the default size of the single-selection CHUNK segmented from SAS hard disks in MB?
In the following statement about the features of Huawei SmartQuota, which options are correct to choose ()
Which of the following statements about the SmartVirtualization feature of Huawei OceanStor Hybrid Flash
The option is correct ()
The Huawei SmartCache feature is to form a smart cache pool of SSD disks, and divide the smart cache pool into multiple partitions.
District, different businesses cannot share districts to ensure business independence
A company uses Huawei Distributed Storage Block Service to run data services, and the development team needs to use business data for
Data mining and testing without affecting business data. Which of the following descriptions are correct
When you need to uninstall Huawei UItraPath host multipathing software, which one of the following operations is correct?
IOPS is a key indicator to measure storage performance. Which of the following options will not affect the storage system’s performance
IOPS ()
Which of the following are multiple-choice products of the OceanStor 18000 storage series?
When using the InfoLocker feature for file protection, multiple file selections can be changed between which states
The object service provides online aggregation capabilities for small objects. Small objects uploaded by the client are written into the SSD cache first and aggregated into one
EC strip size, then EC calculation, and automatically save the data slice (Strip) and the parity calculated by EC (Parity) Store to HDD.
Huawei Scale-Out File Storage is a scale-out file storage system for massive unstructured data storage applications.
Which of the following options describe the characteristics of the product
Huawei Distributed Storage Block Service provides a snapshot mechanism to save the state of the user's data volume at a certain point in time
In the future, it can be used to export data and restore data later.
The game live broadcast platform A uses Huawei’s all-flash storage to protect its business.
Designed FlashLink technology. Which of the following statements are correct for writing the ROW scores in large block order
What are the advantages of Huawei's scale-out file storage over traditional NAS storage multi-choice systems?
Multiple choice Internet company A uses Huawei's hyper-converged infrastructure to build the company's information platform, which greatly facilitates operation and maintenance management. Down
List which options reflect this feature ()
An enterprise has multiple applications such as desktop cloud, database, video-on-demand application, backup, etc., which occupies a large amount of storage resources.
Plan to enable deduplication and compression features. Which of the following options are recommended for configuration
The SmartQoS technology of Huawei OceanStor all-flash storage supports the creation of tenant-level QoS control and documentation.
Software system QoS control, the two controls can take effect at the same time, forming a two-level QoS control.
Based on the characteristics of big data, Huawei distributed storage can adopt a single-select Scale-out architecture and use general-purpose server hardware to provide large data.
According to the storage platform.
Designed FlashLink technology. Which of the following statements are correct for the cold and hot data diversion technology ()
The object service provides multi-tenant management capabilities, and the data in the single selection of different tenants can be physically
Isolation makes it easy to divide resources.
An enterprise plans to purchase a set of storage equipment. According to the IOPS requirements of the enterprise’s business, a single hard disk needs to be stored
The supported IOPS is 3000. Considering the cost factor, it is recommended to use which of the following hard drives best meets the requirements of the enterprise
Select the following statements about the HyperSnap feature of the file system, which options are correct ()
Bank A uses Huawei all-flash storage to carry its key services. Which of the following can provide data reliability assurance ()
A bank’s production center and disaster recovery center both use Huawei’s hyper-converged storage products. The two centers communicate Disaster recovery through asynchronous replication. The copied network type can support GE/10 GE/25 GE
Large Internet company A plans to purchase Huawei's all-flash storage series to protect its key business. Which of the following products
Products to choose from
Regarding the characteristics of a single file system in Huawei distributed storage, which of the following option descriptions are correct ()
Single selection A company has multiple services such as database applications, OLTP applications, mail service applications, and Web server applications.
The SmartCache feature does not significantly improve the performance of the following business scenarios ()
Which of the following is not a component that must be single-selected in the architecture of the NAS system?
The characteristics of Huawei's scale-out file storage NFS business are correct:
An enterprise purchased a distributed storage system, which contains 50 nodes. Engineer C is
Before deployment, plan and design the installation and deployment of the storage system, and follow the recommended reference configuration. When planning the network configuration, you need to plan
Use aggregation switches.
Multiple choices Among the following statements about the features of Huawei SmartPartition, which options are correct ()
An enterprise purchased a set of Huawei hybrid flash storage system, and multi-selected plans to configure NAS services to facilitate file storage and
Sharing, which of the following options are correct in planning and design ()
After the object deduplication function is enabled in Huawei distributed storage, the system compares which information of the object
Information to perform duplicate object deletion (
The Huawei SmartVirtualization feature supports multiple selections for offline takeover and online takeover. The following is about these two methods.
Which of the formulas are correct ()
Which of the following statements are correct regarding the snapshot LUN of Huawei hybrid flash storage devices ()
eDevLun refers to the volume of third-party heterogeneous devices connected to Huawei Storage.
An enterprise purchased a set of Huawei distributed storage system, and now it needs to plan and deploy the network. Which of the following options
The plane is the networking plane that must be planned ()
An enterprise mail application service has limited storage resources, so a quota is set for the business user, and the soft quota for user A is 500 MB.
The hard quota is 800 MB. Under this configuration, which of the following statements are correct ()
In the process of handling storage failures, which of the following principles should be followed ()
Operation and maintenance is based on technology and provides higher-quality services through technical guarantee products. Which of the following aspects can be used to improve luck
Dimension quality ()
Implementation engineer A checks the interface module of Huawei hybrid flash storage OceanStor18000, which of the following statements are correct
of()
Which options are correct in the following statements about the features of Huawei SmartPartitian ()
Multiple choice Internet company A uses Huawei’s hyper-converged storage to build the company’s information platform, which significantly increases the storage space of the platform.
Use efficiency. Which of the following options reflects this feature ()
:26; Good handle SMP req 2”, it means that the system disk is faulty, which may result in failure to start normally.
Oceanstor 9000 adopts Erasure code technology to protect multiple selection data. If a period has 7 nodes,
And if the customer wants the disk utilization to reach at least 70%, the available redundancy protection levels are: (multiple choice)
Operation and maintenance engineer A consults the Huawei All-Flash Storage Manual about the process of hardware trusted and safe boot,
The following sequence is correct () ①Verify Grub's signature public key ②Verify the status of the software signature certificate ③Verify and load Grub④Verify
And load the OS
When single-selecting the Oceanstor 9000 network tuning, which of the following commands can check whether the network port is connected?
When planning the front-end service network IP address for the C72 node of Huawei Oceanstor 9000, you need to plan for each node
4 static front-end IP addresses
In the following statement about the implementation principle of file system snapshots, which options are wrong to select multiple options ()
Which of the following descriptions of the software components of the Huawei 0 ceanstor 9000 product is correct?
In order to ensure performance and improve disk utilization in Huawei Oceanstor 9000, it is recommended that you
The stripe value is set for the piece size. Which one of the following describes the wrong stripe setting?
What is wrong about the AK/SK authentication process among the following options:
Which load balancing method does the Huawei Oceanstor 9000 InfoEqualize feature support?
At the time of Oceanstor 9000, Huawei adopted the characteristics of big data
Scale-out architecture and use big data storage platform launched through X86 architecture hardware
In the software module of Huawei Oceanstor 9000, it belongs to the distributed object storage layer, not the distributed file system layer
It is: (multiple choice)
When a user uses Systemreporter to analyze his production equipment and selects Oceanstor 9000, he finds some nodes in a certain partition
The CPU utilization rate exceeds 80%, but the average CPU utilization rate is about 50%. In addition, it is found that the read and write bandwidth of a node has always been kept at a constant level.
More than 80% of the performance specifications, while other nodes are below 60%. In this scenario, which load balancing strategy is recommended?
The correct ideas and methods for 9000DeviceManager server failure are as follows to solve Oceanstor: (multiple choice)
Single choice Which one of the following statements about unpacking and inspection is incorrect?
A company purchased a set of Huawei horizontally extended file storage to build a file sharing system. Current ministries
The clients of the door use different IP subnets, and the storage administrator configures the front-end service IP addresses of all nodes to belong to the same subnet. storage
Which steps are correct for the administrator to configure the subnet ()
When configuring the InfoAllocator feature, an A is configured for the user group group1
Quota (quota type: capacity quota, quota method: mandatory quota, hard value: 10GB), user quota-userl configured
One B quota (quota type: capacity quota, quota method: mandatory quota, hard threshold: 20 GB), quota_user2 user
A C quota is configured (quota type: capacity quota, quota method: mandatory quota, hard threshold: 5 GB), quota_userl
The user and quota-user2 belong to the groupl user group, which of the following option descriptions are correct ()
Multi-select Huawei Oceanstor 9000 During the software installation process, you also need to apply for some temporary IP addresses for the back-end business network.
For the description of these temporary|P addresses, the correct one is: (multiple choice)
The Oceanstor 9000 big data storage system includes multiple subsystems. Which subsystem is used for file storage?
Huawei N8000 (V200R001) clustered NAS two-node single-choice, during which the heartbeat links are redundant?
In the era of big data, various industries will encounter challenges in the process of data processing. What challenges will the public security criminal investigation industry encounter? (multiple choices)
The basic principles of daily maintenance of the multi-choice big data storage system include: (multi-choice)
Single choice, the underlying virtualization of the N8000 cluster NAS system is realized through the VxVM component. The virtual objects managed by VxVM are: VM
Disk, Disk Group, Subdisk, Pick, which one of the following explanations is correct?
Single-choice Huawei Oceanstor 9000 provides a single file system externally with a unified file system namespace. The following are related
Oceanstor9000 system-namespace description is incorrect, which one?
What are the factors that affect the performance of the Huawei Oceanstor 9000 client? (Multiple choice)
In the following options, the description of the bucket (Bucket) is incorrect.
Regarding Huawei hybrid flash storage, which of the following statements is correct ()
There are two businesses A and B in the storage system of an Internet company.
resource. This leads to longer time for other businesses. Among them, business is a transaction processing application, B business is an analytical query application,
Need to ensure the immediate response of A business. In order to solve this problem, the engineer assigned that the QOS of the A service is higher than the service.
The file sharing interface provided by Huawei Distributed Storage System does not include a single selection. Which of the following options is included?
When deploying Huawei distributed storage, you can import the licenses of different service
The type of service provided by the group (block, file, big data, object).
The fully balanced (Active-Active) multi-choice architecture of Huawei's all-flash storage guarantees a securities company
Transaction business at high concurrency. Regarding the architecture, which of the following statements are correct
Huawei Oceanstor 9000 storage system adopts hierarchical security maintenance. What is not the security content of the application layer?
A vendor’s distributed storage system was put into operation for 100 days, running 24 hours a day. 10th day
A failure occurred at noon, and it took 1 hour to recover from the failure. A failure occurred in the morning of the 25th day, and it took 4 hours to recover from the failure. 80th
One failure occurred in the morning, and it took 1 hour to recover from the failure. The availability of the software system is ()
The quota type used by a user is capacity quota, and the single-selection of quota side is mandatory quota. The recommended threshold for this user’s capacity is
The value is 3GB, the soft threshold is 4GB, the hardware threshold is 6GB, and the grace period is 10 days. Which of the following options is incorrectly described
of?
When planning and designing storage solutions, if customers pay attention to the satisfaction of performance, which of the following aspects should be planned and designed () A. Network bandwidth
B. Hard disk type C.
Number of hard disks
D. RAID level
Regarding the application of the InfoStamper feature, which of the following multiple options are correct ()
Single-choice Oceanstor 9000 will determine whether the space occupied by the node pool in the destination hierarchy is higher than the read-only water before performing re-striping.
If it is lower than the read-only water level, re-striping can be carried out, otherwise no striping will be carried out.
The Wushan file system in Oceanstor 9000 uses an object storage method, but only uses object storage for data.
Storage, object storage is not used for metadata
In the Huawei Oceanstor 9000 system, a file pool refers to a collection of files that meet certain characteristics. The file pool policy defines
The rules of how the file pool is stored in the node pool.
Single choice Which one of the following descriptions about the VCS service in the clustered NAS system is incorrect?
Huawei Distributed Storage Object Service provides finely controlled Qos capabilities, providing tenants, buckets
Other TPS and bandwidth granular service quality control can precisely control which operations ()
The first description of the following commands for network detection on the switch side: The display Inter command can be used to view interface statistics.
Check whether the switch records packet loss on the interface. The second description: display logbuf, if discarding, pay attention to the back-end networking
Whether there is a loop.
Oceanstor 9000 adopts Erasure code technology to protect multiple selection data. If a period has 7 nodes,
And if the customer wants the disk utilization to reach at least 70%, the available redundancy protection levels are: (multiple choice)
In the feature of Huawei Oceanstor 9000InfoReplicator. Pair is a data replication relationship, which describes data replication
The source and destination of the, the following statement about the state transition of the Pair is incorrect (multiple choice)
The intelligent load balancing technology in Huawei's distributed storage supports partitions, and each partition can be set independently.
Established domain name and load balancing strategy.
Which of the following options are the shortcomings of HDFS components? A. Remote replication feature is not supported
B. Low hardware fault tolerance
C. File system performance bottlenecks are likely to occur under large-scale deployment
D. Low capacity utilization and high cost
A company wants to deploy a set of big data platform. It is preliminary estimated that the number of files in the entire cluster can reach trillions.
With a single NameNode file number exceeding 100 million, the primary/standby mode of the native HDFS MameNode can meet the demand.
In Huawei 0ceanstor 9000, the client processing the write request will divide the data according to the protection level specified by the file
The data piece is written to the power-saving memory on the corresponding node, and then each node calculates the check data piece, and writes it to each 2 node’s
Power-saving memory. After all nodes write to power-saving memory successfully, this write operation is successful.
After purchasing Huawei's all-flash storage devices, when planning the basic storage business, which of the following options must be planned ()
Which of the following functions are included in the eService LLDesigner tool?
Use the Oceanstor systemReporter report tool to monitor the Oceanstor 9000 and the resources that can be monitored
Objects include: (multiple choice)
TESTED 01 May 2025