EMT Practice Test

1. Question Content...

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Question1: The fully balanced (Active-Active) architecture of Huawei's all-flash storage ensures the transaction business of a securities company at high concurrency. Which of the following statements are correct about this architecture? (Multiple Choice)

Question2: In order to improve the reliability of its important business, an enterprise has deployed a local active-active solution in data center A and B. Which of the following statements is correct about this solution?

Question3: When BCManager creates a protection group to set protection for a LUN, the LUN cannot be viewed on the interface. Which of the following may be the cause?

Question4: HyperMetro is an active-active solution, which achieves the purpose of active-active in the entire solution through the design of multiple layers of active-active.
Which of the following descriptions about the active-active design of the storage layer of the HyperMetro architecture in data center A and data center B are correct? (Multiple Choice)

Question5: Enable the object WORM function in Huawei distributed storage. The administrator finds that an object can be read and deleted, but cannot be modified. Which WORM state is this object in?

Question6: Which level of data replication is the asynchronous remote replication of the HyperReplication file system based on?

Question7: A storage engineer in an enterprise needs to back up 800 GB of files. The backup solution requires a 4-hour backup window, GE network and 80% bandwidth usage.
If duplication is not considered, what is the required bandwidth?

Question8: Enterprises plan to purchase storage devices that can meet different performance requirements. Which of the following is the correct suggestion? (Multiple Choice)

Question9: Which of the following statements is wrong about the protocol used by the mirroring channel between controllers of Huawei Oceanstor hybrid flash storage? (Multiple Choice)

Question10: In the Huawei HyperMetro active-active solution, when the link of the active-active data center fails, it will enter the "to-be-synchronized state". To quickly restore services, you can choose to force the local storage system or the remote storage system to continue to provide services for the host. At this time, the active-active service status will enter "Normal".

Question11: Which of the following descriptions will not cause value-added service failures?

Question12: Regarding the FRU replacement tool, which of the following statement is wrong?

Question13: In general, which of the following migration scenarios is the fastest?

Question14: The customer wishes to deploy a backup system to protect raw data. During the environmental investigation, it was found that the utilization rate of the production network and the CPU utilization rate of the production server were both above 60%. In this case, it is recommended to use the 1AN basic backup network mode.

Question15: Which technology in the active-active disaster recovery solution can realize the traffic allocation between servers in different regions on the WAN (including the Internet), and ensure that the best server is used to serve the customers closest to itself, thereby ensuring the quality of access?

Question16: The safes of all storage arrays have the function of storing data after a sudden power failure of the system.

Question17: Which of the following statements about the Thin LUN and Thick LUN of Huawei OceaStor hybrid flash storage are correct? (Multiple Choice)

Question18: If there are 5 SAS disks and 3 SSD disks in a Huawei OceanStor V3 hybrid flash storage system, and these 8 disks are placed in the same hard disk domain, when configuring storage pools, which of the following solutions are feasible? (Multiple Choice)

Question19: The SmartMigration feature of storage will be used in Huawei's heterogeneous virtualization migration solution. The main advantages of this feature include: (Multiple Choice)

Question20: Which of the following storage migration technologies can only support offline migration?

Question21: The networking switches in Huawei OceanStor Pacific series storage can choose either Ethernet switches that support the RcCE protocol or old switches.

Question22: In OceanStor 9000, when using the InfoTier feature to migrate source files, the snapshot data of the source files will not be migrated between different storage levels along with the source files.

Question23: When configuring the protection level of the Huawei OceanStor 9000 directory, if the data protection level is set to 4+2. Then the corresponding metadata will generate 3 identical images.

Question24: Regarding the file deduplication and compression feature of Huawei OceanStor hybrid flash storage, which of the following statements is false?

Question25: A TV station plans to purchase Huawei hybrid flash storage devices to use NAS file system services. When planning storage services, which of the following options can be considered? (Multiple Choice)

Question26: For the migration in the AD domain environment, after the migration is completed, the target storage needs to replace the source storage. When the target storage is added to AD, it is necessary to ensure that its () is consistent with the source storage.

Question27: Which of the following file sizes must be considered when calculating the disaster recovery capacity of a SQL Server database? (Multiple Choice)

Question28: Which of the following descriptions can cause value-added service class failures? (Multiple Choice)

Question29: When planning the backup capacity of storage, which factor does not need to be considered?

Question30: Currently, there are more and more demands for centralized storage of different types of businesses, and different types of businesses have different storage demands.
A company plans to purchase a set of OceanStor V3 storage, equipped with 10 600GB SSD disks, 20 1.2T SAS disks, and 40 4TB SATA disks, and plans to deploy Oracle database, Exchange mail application and video application on this storage device at the same time. Which of the following configurations can improve overall business performance? (Multiple Choice)

Question31: An employee of a company, Xiao Wang, performed the following operations in the company's storage system: 9:00 Snapshot and activated LUNA, 10:00 modified all data on the snapshot LUN and source LUN, and 11:00 restored the snapshot. roll.
Which of the following statements are correct? (Multiple Choice)

Question32: To meet service development requirements, the enterprise plans to replace the old storage system with Huawei Ocean Storage Hybrid Flash. The current network model is a Fibre Channel network. The service host and network mode need to remain the same. The SAN's migration indicator is used for storage migration.
Which of the following statements is incorrect? (Multiple Choice)

Question33: To ensure data reliability, an enterprise establishes a remote replication pair between the primary LUN at site A and the secondary LDN at site B. Which of the following statements about the data relationship between the status of the pair and the primary and secondary LUNs is correct? (Multiple Choice)

Question34: When using advanced backup, the base volume periodically generates a snapshot copy of any historical time according to the backup policy, and if the copy expires, the corresponding snapshot is deleted.

Question35: In the homogeneous online migration scheme, the heterogeneous link between the target storage and the source storage only supports FC connection.

Question36: A customer project deploys an 8-node Huawei OceanStor 9000 C Node. The front-end and back-end are all IB networking. The device has been powered on and the interoperability test of all device front-end network ports and customer front-end service switches has been completed. Next, engineers will install and deploy Huawei OceanStor 900 software, the following are some of the operation methods of engineers in the field deployment process, which one is in line with the operation specification?

Question37: When the OceanStor 9000 storage system is deployed, the node cannot be discovered or is displayed in red. The possible reasons are?

Question38: (Drag and drop) According to the Huawei backup solution design process, sort the following 4

Question39: A company has deployed a set of old storage for data. Due to business upgrades, a new set of Huawei all-flash storage is purchased to replace the old storage. The front-end business runs on the host cluster system. If the takeover method is adopted, which of the following is correct? (Multiple Choice)

Question40: Center A has 3000G data, Center B has 1500G data, the deduplication rate is 3, and the data in Center B is copied to Center A, how much space does Center A need at least?

Question41: Which of the following are the current mainstream memory storage media? (Multiple Choice)

Question42: Which of the following descriptions about the InfoStamper features of the OceanStor 9000 storage system is incorrect?

Question43: During the processing of Huawei's distributed storage block service IO stack, the block service of the node that writes the request to EDS writes data into the cache, and the read request has a hit in the current index. If it does not hit, it reads and writes from the cache.

Question44: An enterprise has an online transaction system and an email system in a 30 TB storage resource pool. The backup system created 3 Thin LUNs of 10TB. Since the company is just starting out, there is very little data on the online transaction system and mail system. However, the amount of old data that needs to be imported into the backup system is about 20 TB, which exceeds the size of the Thin LUN, resulting in a write failure.

Question45: A multinational enterprise has a huge business, and customer business data is scattered in multiple locations, and the distance between the locations is greater than 1000km. The enterprise hopes to centrally manage the backup data of each site, so that users can analyze and mine all data without affecting the normal business. If any business site suffers a disaster, the enterprise can take over the business and perform data recovery. In this case, which disaster recovery backup solution should the enterprise choose?

Question46: Which of the following drivers is used when Huawei distributed storage block storage is connected to 0penStack?

Question47: A company's data center deploys 2 sets of Huawei all-flash storage. The quorum server implements the active-active configuration of the two storages. The three front-end service application servers are interconnected with the storage through optical switches. Based on this scenario information, which of the following options are correct? (Multiple Choice)

Question48: In the SmartVirtualzation feature, eDevlun corresponds to external lun one by one, eDevlun is the external lun.

Question49: What are the characteristics of storage based on the heterogeneous virtualization migration solution? (Multiple Choice)

Question50: The research phase of backup plan mainly includes, project background research and ( ).

Question51: When configuring the active-active working mode, if the load balancing in the array is adopted, use the command set hypermetro working mode=___________array_id=IDo.

Question52: If the two sites to be migrated are far apart, and the network loss has a great influence on the migration rate, do not adopt the scheme of direct cross-site migration.

Question53: When creating a LUN on Huawei Oceanstor hybrid flash storage, set the initial allocation policy to "Automatically allocate" after creating LUN1, confirm that 80% of the space of LUN1 is in the capacity tier.
When LUN2 continues to be created in the same storage pool, the ratio of its space in the performance tier must be 0%.

Question54: In the Huawei OceanStor storage system, when creating a clone, the original LUN can be a thick LUN or a thin LUN, and the secondary LUN can only be a thin LUN.

Question55: After the remote replication configuration is complete, the secondary LUN is read-only by default. If the primary LUN fails, the administrator needs to perform the ( ) operation to manually set the secondary LUN to be writable, so that the secondary storage system can manage the host business and ensure the continuous operation of the business.

Question56: Which of the following RAID technologies need to calculate parity data when writing data? (Multiple Choice)

Question57: RAID2.0 has the natural advantage of supporting SmartTier, which can accelerate the performance of hot data. Which of the following statements about SmartTier's performance is true?

Question58: An enterprise plans to build three centers in two places on the cloud on HUAWEI CLOUD. The customer requires cross-regional disaster recovery to avoid business interruption. Due to the particularity of the business, the customer requires disaster recovery RPO=0. The technicians provided the customer with SDRS (Storage Disaster Recovery Service) + CBR (Cloud Backup and Recovery) solution of three centers on the cloud, two locations and three centers.
The production center X and disaster recovery center Y were built in Availability Zones 1 and 2 of region A, and the construction of region B. The remote disaster recovery center Z, X, and Z data centers can meet the customer's RPO=O disaster recovery requirements. 1. When all BBUs of the storage controller are damaged, the controller will automatically set the I/O write policy to write-through and lock to ensure data reliability. It cannot be forced to write-back before the fault is recovered.

Question59: During the configuration process of HyperMetro's HyperMetro domain, when adding a HyperMetro pair, only when the "Pair Running Status" of the optional HyperMetro Pair is "Normal" can be added to the "Selected HyperMetro Pair", and continue to the following configuration operation.

Question60: In Huawei's hybrid flash storage device, _______ technology can identify hot data and regularly migrate hot data to a higher storage medium to improve storage performance.

Question61: Which of the following combinations is recommended for the choice of networking and replication technologies in the two-site three-center disaster recovery solution provided by Huawei? (Multiple Choice)

Question62: In Huawei's distributed storage, the block service asynchronous remote replication architecture is based on the block service cluster to build an asynchronous replication relationship. Based on the difference data, the data of the master and slave volumes are periodically synchronized. After the data synchronization in the last synchronization cycle is completed, all the data generated on the master volume will be written to the slave volume during the current synchronization cycle until the current synchronization cycle begins.

Question63: In Huawei storage systems, the storage ( ) tool can pool storage resources and manage them in a unified manner. (Please use English)

Question64: Log in to the Huawei OceanStor hybrid flash storage CL window and run the following command: Admin: />create lun name=asdf pool id=0 capacity=2GB lu_type=thin initial_capacity-1GB dedup_enabled=yes After the configuration is complete, the deduplication data granularity is 64KB.
It is recommended to modify it as follows: Log in to the CLl window of the Huawei OceanStor full-flash storage system and run the following command: Admin:/>create lun_workload_type general name=test1 io size=64KB dedup_enabled=yes compression_enabled=yes After the configuration is complete, the data deduplication granularity is 64KB.

Question65: F Use ERP system, OA system, Windows and Linux operating system in enterprise production environment. Among them, the total amount of ERP system data is not large, but the daily data update volume is relatively large and the data update volume is not large. But the total amount of data is not very large. The total amount of OA system data is relatively large, but the operating system and application software are updated irregularly every day. For this enterprise backup strategy choice, which of the following is wrong?

Question66: smartqos is based on the I/O ( ) scheduling technology and flow control technology of Lun.fs snapshots to ensure core business

Question67: Which of the following remote replication methods can the hyperReplicatian feature support? (Multiple Choice)

Question68: Which of the following is wrong in the description of the file system snapshot feature of Huawei OceanStor hybrid flash storage?

Question69: Compared with traditional RAID, what are the characteristics of RAID 2.0+ technology? (Multiple Choice)

Question70: Which of the following statements about RAID 2.0 is correct? (Multiple Choice)

Question71: How to read the WWN number of the windows system?

Question72: LLD is based on the determined target network architecture, clearly design the scope of the network and function deployment plan, the specific design content includes clarifying the interaction process of important services concerned by customers within the scope of the contract, the function allocation of all services in each network element, design the surrounding interconnection relationship of network elements, interconnection requirements, compliance with specifications, and quantitative calculation of interconnection resources.

Question73: Which of the following drift groups does Huawei all-flash storage system automatically add all Ethernet ports and bonded ports in the cluster to?

Question74: . The iSCSI protocol is a SCSI instruction set that runs on the upper layer of the IP protocol. For a TCP packet encapsulating the iSCSI protocol, which of the following parts does not contain?

Question75: Huawei OceanStor Pacific series storage provides unstructured data storage services. Which of the following protocol types are mainly supported? (Multiple Choice)

Question76: M Company plans to build a remote disaster recovery center with a disaster recovery distance of 1000KM. The company's daily business growth is 2GB, the data synchronization time is up to 8 hours a day, and the bandwidth utilization rate is about 70%. In this scenario, what is the minimum remote replication network bandwidth to meet the requirements?

Question77: Which of the following statements are correct about performance tuning in typical application scenarios of RAID 2.0? (Multiple Choice)

Question78: The customer F plans to purchase Huawei data protection all-in-one machine for data protection of the production system. The customer's current business status is as follows: the peak time of the system's business is 9:00-18:00 on working days, and the customer requires the backup time to be minimized. The business data is a small file, but the total capacity is large. Based on this scenario, which one of the following statements is correct when using Huawei Data Integrated Protector to formulate a backup strategy? (Multiple Choice)

Question79: Which of the following descriptions are correct about Huawei OceanStor 9000's use of SMB3 Multi-Channel? (Multiple Choice)

Question80: A company plans to deploy a new business system due to business needs. Plan to back up every two hours. During the backup period, the data traffic will be relatively large.
The backup traffic is required to have no impact on the corporate business network; which of the following backup topologies can be used? (Multiple Choice)

Question81: Which of the following scenarios does NFS not support?

Question82: A TV station plans to use Huawei OceanStor 900 products as the back-end storage system. The front-end and back-end are 10CE networking. 30 Huawei OceanStor 9000 C Modes are planned to be deployed in 4 standard cabinets, and all the back-ends are connected to a pair of stacked back-end CE6850 switches, the customer has no independent isolated management network in the network. Which of the following descriptions is incorrect in the network positive address rule?

Question83: In OceanStor 9000, what are the main scenarios for metadata modification? (Multiple Choice)

Question84: Before implementing the BCManager active/standby disaster recovery solution, it is necessary to collect the basic information of the production site.
In the scenario of Linux+Oracle RAC, which of the following information collection methods is correct? [(Multiple Choice)

Question85: Bank A uses Huawei all-flash storage to carry its key business. Which of the following can guarantee data reliability? (Multiple Choice)

Question86: An engineer logs in to the storage device as an administrator, and can view all user information of the current management device.

Question87: When a hard disk failure occurs in the Huawei hybrid flash storage system, the system will take the hard disk offline, and the hard disk online diagnosis module will read the ( ) information of the hard disk, perform a series of analysis, testing, and recovery measures for the faulty disk, and restore the normal hard disk. Connecting back to RAID extends the service life of the hard disk.

Question88: Huawei Scale-Out File Storage is a scale-out file storage system for massive unstructured data storage applications. Which of the following options is the feature of this product? (Multiple Choice)

Question89: In Huawei OceanStor hybrid flash storage, data, logs, and modification information of a database application are stored in main LUDN1, main LUN2, and main LUN3, respectively, and asynchronous remote replication is created for the three main LUNs. When the primary LUIN2 fails, the primary storage system can be used to restore the data of the primary storage system, and the database can be started normally through the primary storage system.

Question90: An enterprise uses Huawei's all-flash storage system to support its main business. For some services that are very sensitive to latency, it allows it to break through the ( ) flow control target in a short time, and supports the configuration of burst capability for the controlled object. IDPS that specifies its burst period, bandwidth, and burst duration.

Question91: If OceanStor hybrid flash memory is used at the same time, which of the following is not suitable?

Question92: ( ) deduplication means that data is divided into blocks of variable size according to its own content for deduplication, which is mainly used in the field of backup.

Question93: An engineer needs to perform a snapshot rollback operation to obtain the source data at a certain point in the past. Which of the following statements is correct about this operation process? (Multiple Choice)

Question94: In the cluster multi-path networking configuration, which of the following are misconfigured?

Question95: The source end is a third-party device, and the destination end is Huawei OceanStor hybrid flash storage. What are the current migration solutions? (Multiple Choice)

Question96: In Huawei OceanStor hybrid flash storage, which of the following steps are optional in the process of configuring storage space? (Multiple Choice)

Question97: Company W newly purchased two sets of storage devices for the configuration of active-active. The storage device is Huawei all-flash storage, the host operating system is Linux, deployed on physical servers, and the multi-path software adopts Huawei UtraPath.
When engineers configure multipath software, which of the following operations are correct? (Multiple Choice)

Question98: HDD and SSD hard disks show huge performance differences under different IO patterns. The Append Only Plog technology in Huawei's distributed storage can provide the best download performance model for different hard disk types.

Question99: In Huawei all-flash storage, the core of the ( ) technology is to realize the linkage between the controller onboard CPU and the SSD onboard dedicated CPU through a series of algorithm optimization technologies for flash media. High performance and high reliability of the system.

Question100: Which of the following is the upgrade method for the controller to be upgraded in batches and reset to take effect?

Question101: Which descriptions are correct about the file system remote replication of Huawei OceanStor hybrid flash storage? (Multiple Choice)

Question102: A company has database applications, OLTP applications, mail service applications, web server applications and other services, and of which of the following business scenarios does the SmartCache feature not significantly improve the performance?

Question103: Game live broadcast platform A uses Huawei's all-flash storage FlashLink many-core technology to protect its business. Regarding the many-core technology involved, which of the following describes the scenario of partitioning by CPU in the controller?

Question104: Huawei's hybrid flash storage uses intelligent classification technology, which needs to be deployed on devices with different media types. Data that has not been accessed for a long time will be marked as cold data, and gradually transferred from slow media to high-performance media.

Question105: Huawei's all-flash storage system software adopts the Symmetric Active-Active architecture. Which of the following description is incorrect?

Question106: A bank purchased a set of Huawei all-flash storage to run the transaction system. The R&D team needs to use the data of the transaction system for data mining and data testing. The storage engineer generates HyperCDPO1 at a certain point in time for the transaction data to be tested. Which of the following operations can meet the requirements? (Multiple Choice)

Question107: In an Internet company's storage system, two services, A and B, are constantly competing for cache and network resources, resulting in longer waiting times for other services. To solve this problem, cache partitioning and flow control techniques need to be configured. Among them, business A is a transaction processing application program, and business B is an analysis and query application program, and it is necessary to ensure that business A responds immediately.
Excuse me, how to configure reasonable? (Multiple Choice)

Question108: A company has a set of Huawei storage devices (such as Huawei OceanStor 2600T) in data center A, and recently purchased a new set of Huawei all-flash storage devices (such as Huawei OceanStor 5300Fv5) and deployed it in data center B. The active-active feature can be configured between two storages to ensure business continuity.

Question109: A enterprise uses Huawei backup all-in-one machine for data protection, and uses the advanced backup function to back up the virtual machine system disk. When the system disk fails, the backup data can be accessed by mounting it.

Question110: InfoReplicator supports copying the basic attributes, extended attributes, ACL, WORM and CIFS/NFS shared configuration information of the main directory to the slave while replicating data. When a disaster occurs, the master-slave site can quickly take over the business after the switchover.

Question111: Which of the following are common types of migration? (Multiple Choice)

Question112: Large e-commerce company A purchased Huawei's hyper-converged storage products to build a private cloud. Which of the following options reflect the advantages of this product? (Multiple Choice)

Question113: The customer's production environment has high server performance, tight production network resources, and limited budget costs. The daily backup data volume is 1~2T, and the backup time is 3 hours. Which backup networking method is the most suitable?

Question114: Which of the following options are factors that affect the performance of front-end host ports? (Multiple Choice)

Question115: The deployment process of the disaster recovery system in Huawei's active and standby disaster recovery solution is:
1. Solution networking
2. Synchronize data to the disaster recovery terminal
3. Deploy the disaster recovery management server on the disaster recovery terminal
4. Configure protection groups and recovery plans
5. Acceptance test

Question116: A securities company, in order to ensure business continuity, plans to establish a disaster recovery structure with three centers in two places. It is designed to ensure that services can be quickly switched in the disaster recovery center in the event of a circuit failure or fire in the production center, so as to maximize the protection of business. continuous operation of the system. At present, the company has deployed a production data center, an intra-city disaster recovery center and a remote disaster recovery center. The general situation is as follows.
1) A production center: Windows/linux operating system, database, etc.,
2) Disaster recovery center in the same city in location A: 100 KM away from the production center;
3) C remote disaster recovery center: 1000 KM away from the production center.
The customer requires RPO=0, RTO=0 between data centers in the same city, and the remote disaster recovery center is used as the data-level disaster recovery center, and the data recovery RPO is less than 10 minutes.
Which of the following statements about the construction of three centers in two places in the project is correct? (Multiple Choice)

Question117: Which of the following statements about the InfoEqualizer feature of the OceanStor 9000 storage system is correct? (Multiple Choice)

Question118: In Huawei hybrid storage, the host can access any lun and file system through the front-end port of any ______.

Question119: Engineer A discovers that the storage is abnormal during routine inspections, and calls the Huawei technical support hotline for help. The technical support guides Engineer A to complete the collection of service host information.
The operating system of the business host is Linux, which of the following collected commands is wrong?

Question120: An enterprise plans to upgrade the storage system and use Huawei's intelligent distributed storage fusion service network.
In the early stage of planning and design research, the collection of network information about the project is carried out. Which of the following should be considered? (Multiple Choice)

Question121: Which of the extended statements about storage is true? (Multiple Choice)

Question122: Huawei's hyper-converged storage adopts the distributed hash table DHT algorithm, which combines parallel hash calculation with metadata in global memory.

Question123: Engineer C maps the storage to the file server for saving various files of the enterprise. One day, the file system was attacked by a virus, causing the file to fail to open normally. In order to allow the files to be accessed normally, the storage engineer performed a snapshot rollback operation.
Which of the following descriptions is false?

Question124: Bank M plans to build a remote disaster recovery center. The distance between the disaster recovery center and the production center is about 1000KM. When the bank is building a remote disaster recovery center, which of the following statements are correct? (Multiple Choice)

Question125: Company A purchases Huawei data protection all-in-one appliances and plans to install and deploy them in a distributed manner. Which of the following descriptions about the distributed deployment, installation and configuration process of server software are incorrect? (Multiple Choice)

Question126: Fusionstorage block storage supports large-scale expansion and elastic scaling, and supports DHT data routing. Originally, the VBS module calculates the hash value through LUNID and _______, and the characteristic space is mapped to the specific node according to the size of 64M to complete the processing of time. (English abbreviation)

Question127: A customer has 1100GB of data, of which the backup window is 3 hours, and the GE network, to meet the needs of the customer, can only choose the LAN Free networking method.

Question128: M Enterprise uses Huawei data protection all-in-one machine and Huawei backup disaster recovery solution to protect the data of the enterprise business system, including the production system of the enterprise. File servers, database servers, mail servers, and virtual machines. The enterprise creates snapshot copies of data on an hourly level; backup data is replicated off-site, with a multi-copy retention policy; in addition, it also uses the solution of backing up data to the cloud. When the production system of the enterprise fails, the data can be quickly restored by backing up the data. Which of the following options is correct? (Multiple Choice)

Question129: To prevent Hyper CDP from taking up too much storage space, which of the following capacity thresholds can an administrator set on a storage pool? (Multiple Choice)

Question130: RTO refers to the maximum ______ required to recover data in the event of system failure or disaster in data recovery.

Question131: After employee A of a company logs in to the storage device of the company system, he finds that he has certain control authority. But cannot modify the system time, and cannot carry out user management.
Excuse me, which of the following roles does employee A have permissions?

Question132: In the CIFS share migration scheme, if there is local user group ACL information in the file system, the operations involved in the migration process are: (Multiple Choice)

Question133: In order to accurately understand the operating status of the storage system, engineers can use the __________ tool to periodically update the system data.

Question134: Internet company A uses Huawei's hyper-converged storage to build a company information platform, which significantly improves the efficiency of the platform's storage space usage.
Which of the following options reflect this feature? (Multiple Choice)

Question135: Which of the following is the correct understanding of FTP passive transfer mode?

Question136: Huawei OceanStor full-flash storage system supports IP drift to ensure business continuity and reliability. Which of the following statement about IP drift is incorrect?

Question137: The MTTR indicator is used to describe the average continuous time between failures of a product during operational use or testing.

Question138: All-flash storage RAID2.0, CKG is divided into ( ), which is the minimum granularity reference answer used by volume.

Question139: Which of the following statements about Thin LUNs is true? (Multiple Choice)

Question140: When building a disaster recovery system, which of the following solutions should be proposed by a customer to not only ensure the security of data but also ensure that the business is not interrupted?

Question141: The smartThin feature does not allocate all the space in advance. The storage space that the user sees will be larger than the actual allocated space, and the user implements the principle of on-demand allocation for this part of the space.

Question142: ( ) using the First Burst Enabled function of the SCSI protocol, the protocol-level optimization of data transmission between storage devices is performed, and the number of link transmission interactions for writing data is reduced by half.

Question143: Which of the following statements about the dry CIFS are correct? (Multiple Choice)

Question144: Huawei hyperconvergence has the function of adaptive global deduplication and compression, which can provide significant space reduction and reduce user TCD under reasonable resource consumption.
The correct order of the implementation process of adaptive global deduplication compression is:
1. Write class data block
2. Point to the data in the fingerprint table after deduplication
3. Upgrade from chance table to fingerprint table
4. Data block fingerprint entry opportunity table

Question145: Windows supports MBR and GPT two disk partition modes. For MBR disks, which the following is correct?

Question146: When all BBUs of the storage controller are damaged, the controller automatically sets the I/O write policy to write-through and locks to ensure data reliability, and cannot be forced to write-back before the fault is recovered.

Question147: After the OceanStor 9000 is deployed, it will automatically select an appropriate hard disk as a hot spare on each node.

Question148: The ________ system refers to the establishment of multiple sets of IT systems with the same functions in distant places, which can monitor the health status and switch functions between them.

Question149: When Huawei distributed storage block service, which of the descriptions of the disaster recovery cluster with the asynchronous remote replication feature are correct? (Multiple Choice)

Question150: A company purchased a set of Huawei hybrid flash storage equipment to provide NAS (Network Attached Storage) services for the three departments of finance, personnel and technology. The current network environment is as follows:
1) The clients are all Windows operating systems and join the same AD (Active Directory) domain;
2) The clients and storage systems of the three departments are in the same local area network.
For the allocation of storage space, the requirements are as follows:
1) Each of the three departments uses 1TB of dedicated storage space;
2) Each employee can read and write to their own private directory;
3) Private directories between employees are invisible to each other.
How can storage engineers plan NAS services to meet the above requirements? (Multiple Choice)

Question151: For various storage product portfolios, Huawei has launched a series of data management software to support the management, operation and maintenance of different storages. Which of the following data includes? (Multiple Choice)

Question152: The fault recovery of Huawei's active and standby disaster recovery solution means that when the production site fails, the production business is automatically switched to the disaster recovery site for operation.

Question153: A company has purchased a new batch of mainframes and storage devices, and will deploy the company's important business according to the plan. The storage network is required to have low latency, high performance, large bandwidth, lossless transmission, and can support Ethernet transmission. Which protocol should be selected?

Question154: A customer's Huawei OceanStor hybrid flash storage array has a damaged controller and needs to be replaced. Shortly after the on-site engineer replaced the controller, the alarm indicator of the newly inserted controller was found to be red and an audible alarm sounded. How should the on-site engineer handle this correctly?

Question155: A snapshot copy is a technique for backing up the moment of activation of a snapshot, which contains the private data of the snapshot after activation.

Question156: A company has a set of business systems that it plans to deploy to Huawei's public cloud. Engineer A suggested that two cloud hosts can be deployed in the same area to deploy HA clusters and share EVS cloud hard disks. When one cloud host fails, it can automatically switch to another cloud host to ensure business reliability.

Question157: A TV station uses Huawei hybrid flash memory storage devices with FC networking to store videos. When using it recently, the video screen occasionally freezes.
Engineer A checks the fault after arriving at the site. Which of the following are the correct troubleshooting methods? (Multiple Choice)

Question158: Consideration of construction, operation and maintenance costs before data center construction is an economic principle in project planning and design.

Question159: A certain storage project needs to achieve 50,000 ICOPS performance. It is planned to enable the Smartier feature and configure three tiers. According to the disk calculation configured for each tier, the high-performance tier can reach a maximum of 30,000 ICOPS, and the performance tier can reach 20,000 ICOPS, the capacity layer can reach 10,000 ICOPS, then this configuration can definitely meet the 50,000 ICOPS requirements of this project.

Question160: The customer's business is very important and has a large amount of data. It needs the best possible business continuity. At the same time, it is required to provide services to the outside world in the event of a natural disaster (flood/earthquake). Please design a disaster recovery network. Which network will you choose?

Question161: The active architecture of Huawei's mass storage system ensures load balancing of high-concurrency transaction services. With this architecture, I/OS is evenly distributed to all frontends for access to load balancing.

Question162: Which of the following binding modes is recommended for the storage network configuration when using the stand-alone mode, ticket data protection all-in-one machine?

Question163: Engineers can plan subnets of different sizes by changing the length of the subnet mask by ___________ design.

Question164: The peak write bandwidth of an application is 10MB/s, the average of write bandwidth is 200KB/s, and the average write T0 size is 4KB (the bandwidth utilization rate is 70%). If the OceanStor V3 storage array needs to be used for data disaster recovery and the asynchronous replication mode is set, the minimum network bandwidth required is ?

Question165: The effective capacity of the storage device is less than the actual disk capacity. Discrepancies may be caused by hot spare space, coffer disks, RAID parity data or metadata.

Question166: Minicomputer migration service, which layers does Huawei mainly support?(Multiple Choice)

Question167: In the CLI command "change storage, pool relocation speed relocation speed Middle", the ( ) field indicates the object to be operated.

Question168: In the HyperMetr feature, the local storage device, the remote storage device and the arbitration server form ( ) application server, which can realize data access across sites.

Question169: The controller of the Huawei hybrid all-flash memory fails, and the storage system tries to reset. During the reset process, the data is stored in the cache. If the reset fails, the data in the cache will be written to the ( ) hard disk of the controller to avoid data loss.

Question170: In which of the following scenarios will OceanStor 9000 not trigger data balance?

Question171: Windows supports two disk partition modes, MBR and GPT. For GPI disks, which of the following options are correct?

Question172: Which of the following statements about RTO recovery time objectives is correct?

Question173: An enterprise has applications such as key performance applications, mainstream commercial applications, archiving and printing services, and each application is independent. In order to ensure business priority, SmartMulti-Tenant technology can be used to create tenants for different businesses, and according to tenant levels and business characteristics, set the storage resources of each tenant's vStore.

Question174: A company plans to perform data protection through remote replication between data centers A and B. Currently, there is 32GB of production data at site A, and it needs to be copied to site B within 2 hours. The bandwidth utilization rate is about 80%. Please calculate, how much bandwidth needs to be achieved between A and B to meet business needs (without considering deduplication and compression)?

Question175: In an AD domain environment, if the ACL carried by the source CIFS shared directory contains AD domain user permissions, after using Migrationdirector for NAS to migrate data and permissions to the target storage in the same AD domain. SID conversion for domain users is no longer required.

Question176: Due to the needs of business development, an enterprise plans to purchase Huawei all-flash storage equipment to replace the old storage and migrate the data from the old storage to the newly purchased storage equipment.
What risk points should Engineer A consider when conducting data migration day? (Multiple Choice)

Question177: When HyperMetro of block service is used in Huawei's distributed storage system, which technologies are not used to achieve cross-site data reliability?

Question178: Bank A purchased Huawei all-flash storage to ensure that its core business continues to be online. When a controller fails, the front-end __________ module will quickly switch the business on the controller to other controllers, and distribute the ID to the new controller. Processing, so that the host is unaware of the control failure.

Question179: The FusionStorage software architecture can be divided into business system and management system. The ( ) of business system uses the plog interface for data storage, including multiple copies, EC data balance and reconstruction, and manages disks and reads and writes data through OSD/VDB.

Question180: When the alarm information can be collected normally, the alarm analysis method is suitable for locating any fault.

Question181: In the Internet company's storage system, services A and B constantly preempt cache and network resources, causing delays in other services. Service A handles the transaction and Service B analyzes the query. Therefore, an immediate response to service A must be guaranteed. To solve this problem, the engineer configures the QoS priority of service B to be higher than the OoS priority of service A.

Question182: Under what circumstances can distributed storage not cause refactoring?

Question183: In order to verify that the data from the slave lun is consistent with the source lun, data protection needs to be performed on the slave lun. Which of the following descriptions is correct?

Question184: The asynchronous remote replication of Huawei OceanStor storage system adopts multi-time slice caching technology, which can make the RPO index of LUN asynchronous remote replication reach the second level.

Question185: Before the cloned file system of Huawei OceanStor hybrid flash storage is split, when the data of the parent file system is physically damaged, the data of the parent file system can be recovered.

Question186: BCMangereReplication software implements disaster recovery testing by means of snapshot mapping on the disaster recovery side, which does not affect production business during the testing process.

Question187: A bank builds two active-active data centers to carry Internet services. During the system test phase, the storage engineer analyzes the test information, which can indicate which of the bank's Internet services conform to the OLTP model? (Multiple Choice)

Question188: Which statement is correct regarding the prefetching strategy of Huawei OceanStor V3 storage system?

Question189: The backup back-end capacity is determined by the initial capacity and data increment.

Question190: Which of the following statements are correct regarding the features of Huawei's hybrid flash storage block service? (Multiple Choice)

Question191: The heterogeneous virtualization feature is used for data migration. To ensure data security, the eDevLUN defaults to a write-through policy.