Question1: Mean Time Between Failures (MTBF) refers to the average continuous time without failure during operation or testing of the product.
Question2: Which functions are not provided by OceanStor ToolKit?
Question3: Which is not a necessary component of the NAS system architecture?
Question4: SmartMigration uses LUNS mapped from heterogeneous storage arrays to the local storage array as logical disks (LDs) that can provide storage space for the local storage array and create eDevLUNs that can be mapped to the host on LDs.
Question5: About the quota and statistics, which of the following description is incorrect?
Question6: What are the basic principles of daily maintenance of big data storage systems? (Multiple choice)
Question7: Regarding the Huawei Distributed Storage Intelligent Load Balancing, which of the following description is incorrect?
Question8: The remote reporting functionality called Cloud Service is:
Question9: Which of the following statements about metadata on Huawei OceanStor 9000 is false?
Question10: Which of the following statements about InfoTier node pools in Huawei OceanStor 9000 are true? (Multiple Choice)
Question11: The OceanStor 9000 employs general-purpose x86 hardware to set up the scale-out NAS architecture. Relying on IB, 10GE, and PCIe networking, nodes deliver high concurrency and outstanding performance. Compared with the other two networks, the PCIe network has better scalability and is easier to manage.
Question12: Huawei hybrid flash storage adopts the structure of RAID 2.0+ software architecture, which realizes the virtualization of the underlying media and the virtualization of the upper-level resources, and at the same time solves the problem of rapid data reconstruction and intelligent allocation of resources.
Question13: The access mode of intelligent load balancing technology in Huawei distributed storage is Active-Active.
Question14: A Clone task fails.
This could be caused by; (Multiple Choice)
Question15: There are two types of services in the storage system of an Internet company, including sequential service A and random service B.
These two businesses often compete for cache resources in the process of reading and writing. Which of the following characteristics can solve this problem?
Question16: Which feature of Huawei OceanStor 9000 can provide file system snapshots?
Question17: Intra-city disaster recovery can adopt synchronous remote replication, and Fibre Channel links are recommended. Remote disaster recovery can adopt asynchronous remote replication, and IP links are recommended for cost reduction.
Question18: Which of the following statements regarding the characteristics of Huawei's hybrid flash storage block service are correct? (Multiple choice)
Question19: In the application scenario of sequential writing, for RAID10, the more disks, the better.
Question20: An enterprise wants backup to consume only a small amount of storage space and a minimal backup window.
In this case, which backup type is most recommended?
Question21: Which are possible causes for an enterprise to use virtual tape libraries as the backup media? (Multiple Choice)
Question22: Which of the following options is not a typical application scenario for cloud storage?
Question23: Bank A uses Huawei all-flash storage to carry its key services. Which of the following can provide data reliability assurance? (Multiple choice)
Question24: Huawei OceanStor 9000 storage system consists of multiple subsystems.
Which subsystem is used for file storage?
Question25: Which of the following options are the enhanced features of Huawei InfoTurbo? (Multiple choice)
Question26: In CIFS file sharing, when the client adopts the SMB3.0 protocol, after a single connection channel fails, SMB3.0 Multichannel automatically uses other channels to continue to transmit data.
Question27: An enterprise application was backed up as follows: On February 1 (Feb1), full backup of all files and directories was implemented. On February 2 (Feb2), 3 (Feb3), and 4 (Feb4), cumulative incremental backup was implemented. On February 5, service disks failed.
If the enterprise wane to restore the application to the state preserved on February 4, which backup files are needed?
Question28: Which of the following statements about remote replication consistency groups are correct? (Multiple choice)
Question29: Which is the correct sequence for powering on an OceanStor 9000 storage system?
Question30: The back-end storage network interfaces of FusionStorage blocks, files and object storage clusters must be completely isolated. When physical clusters corresponding to multiple services share a pair of CE6800 switches, VLAN need to be divided to distinguish the back-end storage networks of different clusters.
Question31: In addition to inheriting the high-reliability design of OceanStor storage systems, HyperMetro employs new solution-level reliability technologies to maximize the reliability of the active-active solution.
Which aspects demonstrate the high reliability of HyperMetro? (Multiple Choice)
Question32: Which of the following statements about the HyperMetro static priority mode are true? (Multiple Choice)
Question33: Huawei's converged storage has the function of parallel fast data reconstruction. Data fragments are broken up in the resource pool. After a hard disk fails, it can be automatically rebuilt in parallel within the full resource pool. Only the actual data is rebuilt without a separate hot spare disk.
Question34: Which of the following features are supported by thin LUNs? (Multiple Choice)
Question35: Which of the following statements about the deployment of Huawei's active-active data center are correct? (Multiple choice)
Question36: Which of the following is the correct sequence of steps for disaster recovery solution design?
Question37: Assuming a setup with 1 host (A), 1 controller (B), 1 switch (C) and 1 disk enclosure (D).
The correct order of powering on in a new installation is:
Question38: Which is the incorrect description of the bucket in the following options?
Question39: With HyperMirror.
To make use of dual write:
Question40: In data backup scenarios, which are characteristics of disk backup devices, compared with physical tape libraries? (Multiple Choice)
Question41: In the HyperMetro active-active data center solution, if a member LUN has bad blocks, which of the following statements is false?
Question42: In the file system, which scenarios will modify the metadata? (Multiple choice)
Question43: A TV station uses a Huawei hybrid flash storage device in FC networking to store videos. When using it recently, occasionally the video screen freezes. Engineer A will troubleshoot the fault after arriving at the site. Which of the following is the correct troubleshooting method? (Multiple choice)
Question44: Small business A purchased Huawei's hyper-converged storage to build the company's information platform. Which of the following switching modules does the hardware platform Fusi onsServer E9000 support? (Multiple choice)
Question45: Which of the following backup media do not support deduplication? (Multiple Choice)
Question46: The filesystem snapshots created; (Multiple Choice)
Question47: Which of the following are Fibre Channel network topologies? (Multiple Choice)
Question48: In data backup scenarios, which are characteristics of physical tape libraries? (Multiple Choice)
Question49: Which of the following options does not belong to the software module included in the Huawei Oceanstor 9000 product? (Multiple choice)
Question50: The permission priority of IAM Policy is determined according to the following rule: explicit deny > allow > default deny.
Question51: When creating disk domains select the option "All available disks" and then manually select disks.
Question52: In Huawei OceanStor 9000, a node pool is a collection of nodes that have the same characteristics such as physical type and access performance, and dynamic storage tiering allows a user to group physical nodes in the same file system into different node pools.
Question53: When planning and designing storage solutions, if customers focus on satisfying performance, which of the following aspects should be planned and designed? (Multiple choice)
Question54: Among the data replication technologies used for disaster recovery, host-layer data replication features good compatibility with servers and storage devices.
Question55: In the use of OceanStor BCManager eReplication for disaster tolerance switchover and failback testing, both the production and disaster recovery end arrays must support the snapshot feature.
Question56: Which of the following is the correct power-on sequence of the Huawei Oceanstor 9000 big data storage system?
Question57: n the Huawei Oceanstor 9000 software architecture, the distributed object storage layer is built on the basis of the distributed file storage layer.
Question58: . Which of the following statements about the preparation of N8500 configuration is wrong?
Question59: Local HA Solution is implemented based on HyperMetro.
Question60: Regarding deduplication on the target side, which of the following description is incorrect?
Question61: Which of the following options does not belong to the network architecture of FusionStorage?
Question62: Before performing re-striping, Oceanstor 9000 will determine whether the occupied space of the node pool in the target hierarchy is higher than the read-only water level. If it is lower than the read-only water level, re-striping can be performed, otherwise no striping will be performed.
Question63: Based on full interconnection of data channels and communication channels, a clustered NAS system employs cluster volume management to manage storage space globally. All nodes in the cluster can access the same storage space using the same volume device name, ensuring block device access consistency.
Question64: Which of the following application scenarios does not belong to the typical application scenarios of Huawei hybrid flash storage?
Question65: A colleague is working on an active-active disaster recovery solution. Through testing the bandwidth of the arbitration server to the storage system at both ends is 4Mbit/s, the delay RTT is less than or equal to 40ms, and the packet loss rate is less than or equal to 1%. What will happen to this solution?
Question66: What method is used by the OceanStor 9000 object storage service (compatible with Amazon S3) to store and search data?
Question67: The SmartQoS technology of Huawei OceanStor all-flash storage supports the creation of tenant-level QoS control and file system QoS control. Both the two controls can take effect at the same time, forming a two-level QoS control.
Question68: Regarding the principle of Erasure Code N+M redundancy technology implemented in Oceanstor 9000, which one of the following descriptions is wrong?
Question69: Which of the following statements about the InfoStamper feature of Huawei OceanStor 9000 is false?
Question70: What are the following features of Huawei Cloud Storage? (Multiple choice)
Question71: In the HyperMletro active-active data center solution, which of the following statements about the static priority of the arbitration and anti-split-brain mode is incorrect?
Question72: Which of the following statements is correct?
Statement 1: Manually selecting disks for a disk domain is a risky, therefore unadvised, process.
Statement 2: All LUNs in a disk domain must share the same RAID level.
Question73: The inforeplicator feature of Oceanstor 9000 (C30) product supports synchronous and asynchronous remote replication at the same time.
Question74: In Huawei OceanStor active-active disaster recovery solution, which of the following links can be used between data centers? (Multiple Choice)
Question75: Which of the following are included in the 4S technologies used in OceanStor 6800 V3 and 18000 series? (Multiple Choice)
Question76: Hyper-convergence is a data center architecture that can uniformly collect computing capacity, file storage, memory, and network, and manage it separately like a public entity.
Question77: Huawei 3DC DR management network consists of the DR management network and production management network. The two networks must be separately deployed.
Question78: Which of the following description of eReplication is incorrect?
Question79: Which of the following descriptions is incorrect about the technical principle of the DCL small bitmap in remote replication? (Multiple choice)
Question80: Large e-commerce company A uses Huawei hybrid flash storage to ensure its core business. Regarding the chip technology used in it, which of the following statements are correct? (Multiple choice)
Question81: Which of the following statements about data backup policies are true? (Multiple Choice)
Question82: Application Server X needs to access dab on StorageSystem X with multipathing software X and data on third-party StorageSystem Y with multipathing software Y.
The combination of multipathing software is generating errors. A colleague suggests using SmartVirtualization to represent the data on third-party StorageSystem Y in an eDevLUN on StorageSystem X.
This is:
Question83: Which of the following statements about the characteristics of Huawei's horizontally extended file storage NFS business are correct? (Multiple choice)
Question84: When restarting the Huawei Oceanstor 9000 node, if the log information shows "phy: 25, handle SMP req 2" and "phy: 26, good handle SMP req 2", it means that the system disk is faulty, which may not start normally.
Question85: When an asynchronous remote replication relationship is established between the primary volume of the primary site and the secondary volume of the remote slave site, an initial synchronization will be initiated. After the initial synchronization is completed, the data status of the secondary volume becomes complete, and then which of the following procedures is followed to complete the periodicity data synchronization? (Multiple choice)
Question86: Which is the correct process for installing CommServe?
Question87: Which of the following statements are correct about the business characteristics of Huawei Oceanstor 9000NFS? (Multiple choice)
Question88: In the era of big data, you should also have big data thinking. Which of the following statements is wrong?
Question89: Which of the following statements about the working principles of data deduplication is false?
Question90: Which of the following statements about splitting a remote replication is true?
Question91: Which of the following descriptions of OceanStor backup solutions are correct? (Multiple choice)
Question92: On Huawei OceanStor 9000, if access requests are not evenly allocated to nodes, a user can adjust zones. After that, the user must unmount shared directories from clients and remount directories based on allocated domain names.
Question93: Which of the following are characteristics of an ideal backup and disaster recovery system?
Question94: Huawei OceanStor 9000 uses the erasure code technology to protect data. A site has seven nodes, and the customer requires the disk utilization rate to reach 70%.
Which redundancy levels can be used to meet the requirement? (Multiple Choice)
Question95: What should be considered in the design of a backup solution? (Multiple choice)
Question96: Which of the following option does not belong to the network architecture of Huawei distributed storage?
Question97: To access OceanStor SystemReporter, enter https://IP:8088 in the address box of a web browser, where IP indicates the service management IP address of an OceanStor 9000.
Question98: When planning the back-end storage network IP address of the OceanStor 9000 IB networking deployment plan, you need to plan 2 back-end storage IP addresses and 1 temporary IP address for each node.
Question99: To maintain consistency among LUN data mirrors, we;
Question100: Which of the following statements is true: (Multiple Choice)
Question101: Which of the following descriptions of the software components of the Huawei Oceanstor9000 product are correct?
Question102: In order to improve the reliability of its important business, an enterprise deployed a local active-active solution in a data center room A and room B.
Regarding this solution, which of the following statements is correct?
Question103: Which one of the following descriptions about Oceanstor 9000's global cache is incorrect?
Question104: Which of the following RAID levels has the least efficient space utilization?
Question105: Which load balancing mode is not supported by the InfoEqualizer feature of Huawei OceanStor 9000?
Question106: What are the values of Huawei Oceanstor 9000 infoTier? (Multiple choice)
Question107: For OceanStor V3 HyperMirror: Mirror copy and Mirror LUN are two terms for the same concept.
Question108: Compared with ordinary file backup, the components that need to be deployed when deploying VMware backup are ___.
Question109: To create two LUNs with each a different RAID level, hot spare policy, and a specific tiering policy, how many disk domains are required as a minimum?
Question110: SmartCache can support both SAN and NAS services.
Question111: You can log in to the CLI of the OceanStor V3 storage through IPv4 or IPv6.
Question112: A company plans to purchase Huawei all-flash storage devices to deploy storage services. In order to ensure the security of storage business data, the storage devices cannot communicate with the external network. After the storage device is deployed, you can configure the eService service to manage the operation and maintenance of the storage device to improve the efficiency of operation and maintenance.
Question113: During the processing of the IO stack of Huawei's distributed big data service, the computing component sends a request to the DataNode module through the hdfs client and returns the file metadata information.
Question114: In terms of configuring active/passive disaster recovery, which condition the LUNs on the primary and secondary storage systems must meet?
Question115: Which of the following statements about the HyperSnap feature of the file system are correct? (Multiple choice)
Question116: Regarding target deduplication, which of the following description is incorrect?
Question117: The node in the "Oceanstor 9000 Network Diagram" as shown in the figure uses the P36 node, then which switch in the network diagram should NIC0 in the P36 node be connected to?
Question118: Which of the following statements about backup policy formulation principles is incorrect:
Question119: Which one of the following descriptions about the VCS service in the clustered NAS system is wrong?
Question120: Which factors should be considered when planning basic services of a storage system? (Multiple Choice)
Question121: When using Huawei OceanStor Toolkit V100R001 to perform inspection operations, which of the following items is not included in the inspection wizard?
Question122: In the software architecture of Huawei OceanStor 9000, the distributed object storage layer is built based on the distributed file storage layer.
Question123: 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 adapt to some scenarios with relatively high performance and capacity requirements.
Question124: Which of the following remote replication plans can be used in a geo-redundancy disaster recovery solution? (Multiple Choice)
Question125: What is the health status of the Huawei Oceanstor 9000 system cluster? (Multiple choice)
Question126: After the Hadoop service is interconnected with the OceanStor 9000 through the HDFS API, what data redundancy and protection mechanism is adopted?
Question127: Which of the following statements about the erasure code N+M redundancy implemented by Huawei OceanStor 9000 is false?
Question128: Initiate quiescing of the application before the snapshot, and then trigger the hardware storage snapshot to create an application-consistent snapshot copy. Data is backed up through the snapshot backup copy, eliminating the data backup time window, completely without interrupting the production system business, and achieving the remote storage of data, which improves the reliability of the data.
Question129: In the local high-availability solution using Huawei HyperMirror, which of the following statements is correct? (Multiple choice)
Question130: Which of the following solutions are correct about Oceanstor 9000 DeviceManager server failures? (Multiple choice)
Question131: When building a video surveillance cloud, what are the advantages of using object storage? (Multiple choice)
Question132: In RAID2.0+, chunks in one chunk group can come from SSD and SAS disks.
Question133: The Wushan file system in Oceanstor 9000 uses object storage type, but it only uses object storage for data, and does not use object storage for metadata.
Question134: Between the two nodes of Huawei N8000 (V200R001) clustered NAS, how many redundant are for the heartbeat links between the two nodes?
Question135: Regarding the storage layer data replication disaster recovery technology, which of the following statements is correct?
Question136: In a backup structure with a primary backup domain and multiple branch backup domains, which of the following description is wrong?
Question137: The game live broadcast platform uses Huawei's all-flash storage FlashLink many-core technology to ensure its business. Regarding the many-core technology, which of the following describes the scenario of partitioning by CPU in the controller?
Question138: Which of the following statements about the Huawei Network-Layer Mirroring Solution is correct?
Question139: Which of the following scenarios are more suitable for using FusionInsight Hadoop technology of Huawei Oceanstor9000? (Multiple choice)
Question140: When the communication between MDC and OSD is interrupted or the OSD is faulty, the OSD exits the storage pool. Then the OSD out-of-service alarm is reported.
Which of the following are the possible causes of this fault? (Multiple Choice)
Question141: If the space hard quota is exceeded, a write operation will: (Multiple Choice)
Question142: In OceanStor 9000, if a hard disk is offline for 15 minutes, the data recovery method on the hard disk is as follows: The system calculates the data on the hard disk and restores the data to other normal hard disks.
Question143: What types of deduplication does the Huawei OceanStor integrated backup solution support? (Multiple choice)
Question144: In a large and medium-sized database application, files such as data, logs, and modification records are stored in the associated LUN1, LUN2, and LUN3 respectively, and remote replication tasks 1, 2, and 3 are created respectively, and the engineer copies these three remotely The task is added to the consistency group.
In this case, which of the following statements are correct? (Multiple choice)
Question145: The InfoTier feature stores files in different classifications according to the differences in file attributes. Which of the following are not the basic units of classification? (Multiple choice)
Question146: The HyperMetro active-active data center solution includes data centers A and B.
When the array of data center A fails, which of the following statements are correct? (Multiple choice)
Question147: Which of the following statements about InfiniBand is false?
Question148: In N8500 V200NO01, which of the following commands can be used to check the status of the file system is online?
Question149: Which of the following is wrong about the customer value of Huawei Storage Snapshot Backup?
Question150: Which of the following configuration strategies can improve the security of the storage system? (Multiple choice)
Question151: Which of the following components is used to transfer information flow and service data flow between controllers in the OceanStor 18000 series?
Question152: In the Huawei dual-active disaster recovery solution, which of the following situations must use Fibre Channel connection?
Question153: Which of the following options are not DSS capabilities?
Question154: Which of the following statements about backup networking LAN-free and Server-free is correct?
Question155: Which of the following descriptions about InfoRevive is correct?
Question156: Which of the following descriptions about InfiniBand technology is wrong?
Question157: A Cache partition and the LUN must always belong to?
Question158: What is the main difference between using synchronous remote replication and asynchronous remote replication in the Huawei disaster recovery solution?
Question159: What information must be collected before deploying a DR solution? (Multiple Choice)
Question160: Which of the following features in Huawei Oceanstor 9000 (C30) does not require the activation of the corresponding license?
Question161: In the Oceanstor 9000 storage system, the Info Allocator hard quotas for directory A and its sub-directory B are set to 1GB and 2GB respectively. Which of the following statements is correct? (Multiple choice)
Question162: An OceanStor 9000 must be equipped with a minimum of three nodes that can vary in types.
Question163: In the Huawei dual-active disaster recovery solution, the peak write bandwidth of an application needs 10MB/s, the average write bandwidth needs 200KB/s, the average write I/O volume is 4KB, and the bandwidth utilization rate is 70%. Then the application deploys asynchronous remote replication. What is the bandwidth required?
Question164: In the big data era, all industries face challenges in processing.
Which are challenges faced by the public security and criminal investigation fields? (Multiple Choice)
Question165: Before designing a backup plan, you need to conduct research. What aspects need to be considered when researching? (Multiple choice)
Question166: The bandwidth of the two data centers tested by the customer is 155Mbit/s, the peak write bandwidth of an application is 9.8MB/s, the average written bandwidth is 300KB/s, the average write I/O size is 4KB, and the bandwidth utilization rate is 70%. Colleagues choose the primary and standby synchronous remote replication disaster recovery solution
Question167: A company deployed multiple block service applications on the same Huawei distributed storage device, including daily backup, database sorting, and billing cycle settlement. The administrator found that these services would extremely consume system resources during a specific period of time. It happens during working hours that will affect other interactive businesses. Administrators use QoS features to limit the consumption of storage resources by these services according to their occurrence time period, and avoid affecting production services or interactive services. Which resources should administrators consider to restrict? (Multiple choice)
Question168: File-level deduplication is also called single-instance storage (SIS). It checks the attributes of the file to be stored according to the index and compares it with the stored file. If there is no identical file, it will store it and update the index, otherwise it will only be stored. Enter a pointer to an existing file.
Question169: The minimum number of nodes required for an OceanStor9000 cluster deployment is?
Question170: The Huawei Oceanstor 9000 FRU replacement tool does not support the replacement of which of the following modules or devices?
Question171: What is the unit that Huawei Oceanstor9000 provides CIFS/NFS/FTP sharing?
Question172: What are the principles of making a file system backup strategy? (Multiple choice)
Question173: What are the recommended scenarios for installing iDA in a virtual machine? (Multiple choice)
Question174: Which of the following statements about big data processing technology are correct? (Multiple choice)
Question175: The parameters to be considered when configuring the backup data retention strategy include the policy selection retention period, retention cycle, and the number of write streams.
Question176: During the installation of Commserver, if cS and Agent are in the same network segment, there is no need to configure the host's file.
Question177: FusionStorage Block uses a unique data block slicing technology, as well as a data routing algorithm based on DHT Hash, which can evenly distribute the volume data to a larger resource pool fault domain, so that each volume can get larger The IOPS and MBPS performance also makes the load of each hardware resource relatively balanced.
Question178: The following describes the characteristics of _____ backup networking.
Question179: Scale-out is an architecture for horizontal expansion. This architecture mainly responds to the needs and challenges brought about by the rapid growth and complex changes of data.
Which of the following options are included in the characteristics of the Scale-out architecture? (Multiple choice)
Question180: Which of the following components are required for the Huawei Active-Active DR Solution? (Multiple Choice)
Question181: During the process of the data migration in SmartMigration, the data request issued by the host I/O is synchronized to the source LUN and target LUN in real time through double writing, ensuring that the data after the migration is completely consistent. Which of the following statement about double writing is correct? (Multiple choice)
Question182: Which of the following statements about SmartQuota of the OceanStor 5300 V3 are incorrect? (Multiple Choice)
Question183: A colleague suggests using SmartMigration to distribute dab from one source to multiple targets simultaneously.
This is:
Question184: You can use the InfoLocker feature of Oceanstor 9000 to meet the business scenario of one write and multiple read.
Question185: A client served by an OceanStor 9000 requires that if one channel fails, data can be transmitted over another channel without service interruption. To address this requirement, a necessary condition is that the client support SMB 3.0.
Question186: Which of the following is the default synchronization speed level set when creating remote replication pairs in the OceanStor V3?
Question187: Which of the following are the CMS cluster's functions? (Multiple Choice)
Question188: During a SmartMigration task. (Multiple Choice)
Question189: Which of the following statements about Oceanstor 9000 intelligent load balancing are correct? (Multiple choice)
Question190: In the feature of Huawei OceanStor 9000 InfoEqualizer, a partition is a collection of a group of nodes. These nodes are used to separate and provide different services. They have the same dynamic domain name, static domain name and automatic load balancing mode.
Question191: DASH Copy is an optimized auxiliary copy technique. In each copy session, DASH Copy copies all data blocks from a source disk library to the target disk library.
Question192: LUN Copy could be considered for. (Multiple Choice)
Question193: What are the values of recovery point objective (RPO) and recovery time objective (RTO) in Huawei synchronous remote replication?
Question194: Which of the following are Huawei DR Solutions? (Multiple Choice)
Question195: What is the heigth of the High Density disk enclosure?
Question196: Synchronous remote replication can be used for disaster recovery in the same city, FC link is recommended, and asynchronous remote replication can be used for remote disaster recovery. IP link is recommended to reduce costs.
Question197: Which SAN topology provides the highest reliability?
Question198: Which are application scenarios of the InfoReplicator feature provided by Huawei OceanStor 9000? (Multiple Choice)
Question199: SmartVirtualization allows us to; (Multiple Choice)
Question200: The production center has 2080GB data, which needs to be backed up to the disaster recovery center. The backup window is 6 hours, no deduplication is performed, and the bandwidth utilization rate is 0.8. At least how much bandwidth is needed to meet this backup requirement?
Question201: In the HyperMetro active-active data center solution, before configuring active-active pairs, a user must configure an active-active domain. As a logical concept, an active-active domain contains the two storage arrays that require an active-active relationship and a quorum server.
Question202: An OceanStor 9000 is equipped with P36 nodes and adopts a 10GE back-end network.
Which ports of P36 nodes must be connected to 10GE switches? (Multiple Choice)
Question203: Regarding the cabinet configuration description of the Oceanstor 9000 10GE networking solution, which of the following statement is wrong?
Question204: The game live broadcast platform A uses Huawei's all-flash storage to protect its business, and the storage system uses FlashLink technology designed specifically for flash memory. Which of the following statements about the cold and hot data diversion technology are correct?
Question205: In which of the following situations, the Huawei Oceanstor 9000 system will not start load balancing?
Question206: Regarding the description of the big data storage and calculation separation solution, which of the option is wrong?
Question207: During a Power Module replacement, we should consider the following;
Question208: The customer puts forward the requirements of RPO=0 and RTO=0, and the colleague chooses the master-standby synchronous remote replication disaster recovery plan, so the plan is?
Question209: HyperSnap supports incremental synchronization.
Question210: PCle protocol components include ____. (Multiple choice)
Question211: What are cloud storage's disadvantages when it serves as backup media?
Question212: In Simpana backup software, which is correct about incremental backup?
Question213: Which of the following statements about unpacking inspection is wrong?
Question214: In Huawei Data Protection Solutions, faults are classified into logical errors, device faults, center faults, and regional disasters.
What type of faults incur the greatest loss?
Question215: Which of the following descriptions of the integrated backup solution are correct? (Multiple choice)
Question216: In the 2U enclosure models there is a separate BBU installed.
Question217: Which of the following are hardware faults? (Multiple choice)
Question218: Which backup system network can be used for all storage types?
Question219: Which of the following statements about CIFS are true? (Multiple Choice)
Question220: An Oceanstor 9000 cluster node uses P36 nodes and uses a back-end 10GE network.
Which ports in the P36 node should be connected to the 10GE switch? (Multiple choice)
Question221: Huawei's hyper-converged storage uses a distributed storage logic architecture. Which of the following is the function of the MDC module?
Question222: Which of the following technologies can be used to manage secure access to N8500 NFS shares? (Multiple choice)
Question223: Which of the following is the maintenance software supported by Huawei's hybrid flash storage products?
Question224: A company has a variety of services such as database applications, OLTP applications, mail service applications, and Web server applications. In which of the following service scenarios does the SmartCache feature not significantly improve performance?
Question225: SmartDedupe of the OceanStor 5300 V3 is supported only by the thin file system.
Question226: When maintaining the N8500 clustered NAS, if you cannot log in to the N8500 clustered NAS system with the master account. The possible reasons are?
Question227: In Huawei Oceanstor 9000, the client processing the write request will fragment the data according to the protection level specified by the file, write the data fragments to the power-saving memory on the corresponding node, and then calculate the school by each node. Verify the data piece and write it into the power-saving memory of each 2 nodes. After all nodes write the power-saving memory successfully, the write operation is successful.
Question228: Which of the following is not the advantage brought by global cache?
Question229: What type of LUN is compatible with SmartErase?
Question230: InfiniBand can be used for communication between servers, between a server and a storage device, and between a server and a network.
Question231: What are the advantages of parallel deduplication? (Multiple Choice)
Question232: Which of the following statements about the cloud storage system are correct? (Multiple Choice)
Question233: Internet company A uses Huawei's hyper-converged infrastructure to build the company's information platform, which significantly improves the reliability of the platform. Which of the following reflect this feature? (Multiple choice)
Question234: Which of the following descriptions are wrong about analyzing and adjusting the parameters of the Oceanstor 9000 system NAS server? (Multiple choice)
Question235: An enterprise administrator created a shared folder on the root directory of the file system, and created 3 different Quota Trees under the root directory for Manager A (Quota Iree 1), Project Department B (Quota Tree 2) and Sales Department C (Quota Tree 3) for being used alone.
Which of the following statement is correct?
Question236: If there is a third-party cabinet in the equipment room, what are the inspection contents of the third-party cabinet? (Multiple choice)
Question237: Which advantages does Huawei OceanStor 9000 cluster NAS technology have over traditional NAS storage systems? (Multiple Choice)
Question238: Regarding SmartMigration LUN information exchange, which of the following descriptions are correct? (Multiple choice)
Question239: Bank A uses Huawei's all-flash storage to carry its key services. Which of the following can provide data reliability assurance? (Multiple choice)
Question240: In a customer scenario, the front-end uses a GE network, and the back-end uses a 10GE network. Which of the following options is correct for the corresponding interface?
Question241: A colleague suggests running SmartErase on several disks at once to make sure all dab is deleted.
This is:
Question242: Which of the following statements about the CIFS sharing configuration of Huawei OceanStor 9000 is false?
Question243: A company creates a regular snapshot of its instant chat service file system. When the storage system generates a new snapshot every time, it will automatically use the oldest snapshot.
Question244: Huawei OceanStor 9000 provides a single file system, offering a unified file system namespace.
Which of the following statements about the unified file system namespace provided by Huawei OceanStor 9000 is false?
Question245: The HyperLock (WORM) feature of Huawei Storage enables files to be written only once, cannot be written repeatedly, and cannot be modified, deleted, or renamed.
Question246: Regarding CIFS share configuration, which of the following options is incorrect?
Question247: Which of the following statements about switches used with Huawei OceanStor 9000 is true?
Question248: Which of the following statements is correct?
Statement 1: An extended disaster recovery strategy could include multiple replicas to be created on two different sites.
Statement 2: With multiple replication in place the hyo replicas can be created using different methods: synchronous and asynchronous.
Question249: HyperCDP can generate more intensive recovery points for the data on the storage device. HyperCDP copy is a full copy backup of the source data at a certain point in time.
Question250: An enterprise customer plans to purchase Huawei Oceanstor 9000 to meet its 10PB data storage needs. The customer chooses Oceanstor 9000 C36 nodes, which are equipped with 4T SATA disks, and 4+2 distributed RAID storage methods are used between nodes.
Assuming that the system loss (including the possession of metadata and system data, hard disk loss, etc.) is 10%, in theory, how many C36 nodes does the customer need to purchase at least to meet its business data storage requirements?
Question251: Which authentication modes are not supported by the CIFS sharing function of Huawei OceanStor 9000? (Multiple Choice)
Question252: What command can be used on the CLI to view the status of the controllers in the OceanStor V3 storage systems?
Question253: Which of the following statements about block storage management is incorrect?
Question254: Which of the following statements about the versioning for buckets are correct? (Multiple Choice)
Question255: Huawei all-flash storage devices need to be planned and designed before deployment. Which of the following need to be planned during storage networking? (Multiple choice)
Question256: Which are advantages provided by parallel deduplication? (Multiple Choice)
Question257: Parallel deduplication provides PB-level data backup to common disks. The processing speed and data capacity can increase linearly as the number of nodes in the deduplication grid grows.
Question258: CE6810-24S20-LI and CE6810-4854Q-EI use high-speed Ethernet ports (such as QSFP+) and high-speed cables to achieve stacking.
Question259: Which of the following types of servers must be authenticated by a user to access object storage services (compatible with OpenStack Swift interface)?
Question260: Before designing a backup solution, you must conduct surveys.
Which aspects should be considered in a survey? (Multiple Choice)
Question261: When an OceanStor is powered by the BBU's it means that only the controller is powered.
Question262: Which types of nodes are provided by Huawei OceanStor 9000? (Multiple Choice)
Question263: Which of the following statements about asynchronous remote replication implemented by OceanStor V3 storage systems is false?
Question264: The storage capacity required by site A is 2543GB, the storage capacity required by site B is 3000GB, and the backup data of site B is remotely copied to site A for storage. Consider the case of replication compression, the compression ratio is 3. What is the back-end storage capacity required for computing site A?
Question265: Regarding source deduplication, which of the following descriptions is wrong?
Question266: The object service provides multi-tenant management capabilities, and the data between different tenants can be physically isolated to facilitate resource division.
Question267: An enterprise plans to purchase a set of storage equipment. According to the IOPS requirements of the enterprise business, a single hard disk of storage needs to support 3000 IOPS. Considering the cost factor, it is recommended to use which of the following hard disks best meets the requirements of the enterprise?
Question268: The object service provides a wealth of object resource (bucket or object) access permission control capabilities. Of which, ACLs can only be used to prohibit permissions and cannot grant permissions.
Question269: In the HyperMetro dual-active data center solution, the arbitration server mode has higher reliability than the static superior mode, which can ensure continuous business operation under various single-point failure scenarios. Therefore, Huawei's dual-active solution recommends the use of the arbitration server mode.
Question270: Huawei's hyper-converged storage uses a distributed hash algorithm, which of the following processes occur on the server side? (Multiple choice)
Question271: Which designs improve the system reliability of Huawei OceanStor 9000? (Multiple Choice)
Question272: Where is the shared mapping table stored with HyperSnap?
Question273: NFS is a method of sharing disk files between UNIX operating systems. NFS is also a file system protocol that allows applications on a client to store and obtain data from server disks through a network.
Question274: Suppose that 2080 GB data needs to be backed up from the production center to the disaster recovery (DR) center.
How large bandwidth is required for meeting the backup demand under the condition that the backup window is 6 hours, no deduplication is performed, and bandwidth usage is 0.8?
Question275: When OceanStor BCManager is used to test disaster recovery switchover and switchback, the storage system at the production site and that at the disaster recovery site must support the snapshot feature.
Question276: In Huawei OceanStor Backup Solution, the backup data retention period is set to 13 days and the number of retention cycles is set to 2. However, the actual backup is 3 days per cycle.
In this case, how many days will data be retained?
Question277: Regarding Huawei hybrid flash storage, which of the following statements are correct? (Multiple choice)
Question278: Internet company A uses Huawei's hyper-converged infrastructure to build the company's information platform, which greatly facilitates operation and maintenance management. Which of the following reflect this feature? (Multiple choice)
Question279: Bank A has purchased Huawei's hybrid flash storage. The encrypted hard disk technology can enhance the security of business data. Which of the following statement is correct? (Multiple choice)
Question280: Which of the following statements about OceanStor BCManager eReplication are correct?
1. The version of JRE installed in the maintenance terminal where the eReplication client resides is 1.2.0_51 or later.
2. The eReplication client requires a trusted code signature.
Question281: D. ME supports active operation and maintenance based on the Al& strategy engine. Through the DME platform, which of the following are available for the functions that can be completed? (Multiple choice)
Question282: The object/file interoperability feature provided by Huawei Distributed Storage is based on the mode of superimposing NAS functions on the object storage system, and what kind of file sharing access capabilities are provided on the basis of distributed object services?
Question283: Which of the following statements about Oceanstor 9000 maintenance is incorrect?
Question284: OceanStor900 uses general x86 architecture hardware to deploy the Scale-out NAS system. All nodes achieve high concurrency and high performance of the entire system data, mainly relying on three types of networking types: IB, 10GE and PCIE. Among them, PCIE has better network performance. Good, easier to expand and manage.
Question285: A company purchased a set of Huawei distributed storage to provide object storage and file storage services. The administrator allowed users to access the object and file services at the same time by allowing HTTP access in the system.
Question286: In Huawei OceanStor Backup Solution, Huawei deduplication-based synthetic full backup can rapidly create and integrate full backups using indexes.
Question287: Huawei hybrid flash storage adopts a single-selection architecture of RAID 2.0+ software architecture, which realizes the virtualization of the underlying media and the virtualization of the upper-level resources, and at the same time solves the problem of rapid data reconstruction and intelligent allocation of resources.
Question288: The number of disks in a storage pool can be changed in a later stage.
Question289: The intelligent load balancing technology in Huawei's distributed storage supports partitions, and each partition can set an independent domain name and load balancing strategy.
Question290: Which of the following statements about the iSCSI protocol are correct? (Multiple Choice)
Question291: The backup plan design process is divided into multiple stages.
Which of the following is the correct order?
Question292: The object storage services provided by Huawei Distributed Storage (compatible with Amazon S3 and OpenStack Swift) all provide a unified RESTfulAPI, and the client can access the storage node through the RESTfulAPI to realize data storage.
Question293: On the storage device, through which of the following configurations, the alarm information can be saved to the designated FIP server?
Question294: Regarding the performance of the hard disks under the various types of nodes of Huawei Oceanstor 9000, which one is correct in order from high to low?
Question295: Which of the following descriptions are the reasons for the rapid development of enterprise-level cloud storage? (Multiple choice)
Question296: Which of the following options is wrong of Huawei Oceanstor 9000 file pool strategy?
Question297: Which of the following statements about the backup domain of the OceanStor Backup Solution are incorrect?
Question298: Which of the following statements about Huawei OceanStor 9000 are true? (Multiple Choice)
Question299: Which automatic load balancing method does Huawei Oceanstor 9000 InfoEqualrser support by default?
Question300: What is the maximum bandwidth per port of a 12 Gb/s SAS card in an OceanStor V3 storage device?
Question301: For which scenario Huawei Active/Passive Disaster Recovery Solution is not suitable?
Question302: In the outline design stage, it is necessary to output HLD (High Level Design).
Question303: What are the advantages of Huawei OceanStor 9000 clustered NAS technology over traditional NAS storage systems? (Multiple choice)
Question304: Which of the following shows the correct sequence of planning tasks?
A = Determine DR strategy.
B = Determine the need for Virtualization.
C = inventory of current situation.
D = Calculate capacity requirements.
E = Determine the backup strategy.
F = Estimate future growth.
Question305: LLD (Lom Level Desigm, detailed design) is based on the determined target network architecture, clearly designing the scope of the network and functional deployment plan; the specific design content was paid attention by the customers within the scope of the contract, including clarifying the interactive process of the important business, the function allocation of all services on each network element, the peripheral docking relationship of the design network element, the docking requirements and compliance with the norms, the quantitative calculation of docking resources.
Question306: In the HyperMetro active-active data center solution, which of the following statements about the static priority mode used for brain-split prevention is false?
Question307: The Forecast Analysis will show a graph announcing when the systems runs out of disk capacity.
Question308: The cloud storage system is a comprehensive storage system that features convergence, openness, and high flexibility. It supports pooling for hardware resources of different vendors and specifications and provides protocols and APIs required for the block, file, and object storage service.
Question309: In the Huawei storage system, which of the following statements about rolling back HyperCDP are correct? (Multiple choice)
Question310: VADP backup mode does not include _____.
Question311: In the InfoEqualizer feature provided by Huawei OceanStor 9000, a zone is a collection of nodes. Different zones are isolated and provide different services. Nodes in a zone have the same dynamic and static domain names as well as characteristics of automatic load balancing.
Question312: Which of the following descriptions of the software features of the QceanStor 9000 system are correct? (Multiple choice)
Question313: What is the minimum number of nodes required for deploying an OceanStor 9000 cluster?
Question314: What is the correct process sequence for installing CommServe?
Question315: Which of the following is the correct power-on sequence for the Huawei distributed storage system?
Question316: What type of volume used by eDevLUN is directly provided by a Huawei storage device?
Question317: Which of the following description of the backup domain of the OceanStor backup solution is wrong?
Question318: When using Huawei OceanStor BCManagereReplication to configure active and standby disaster recovery, which of the following operations is not necessary?
Question319: Which of the following descriptions are correct about the CIFS protocol? (Multiple choice)
Question320: Which data protection levels can be configured for an OceanStor 9000 that consists of 10 nodes? (Multiple Choice)
Question321: 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)
Question322: Which of the following statements about backup type selection is false?
Question323: Which of the following options is not a feature of distributed storage big data service solutions?
Question324: When configuring basic storage services on Huawei all-flash storage, which of the following statements are correct? (Multiple choice)
Question325: Among the following backup media, which ones support the data deduplication function? (Multiple choice)
Question326: Which of the following level that completes the encoding and decoding work in the FCoE protocol?
Question327: Which of the following statements is true.
A) An eDevLUN is always on a third party device?
B) A mirror copy should come from a different domain than the local LUN?
Question328: When planning the front-end service network IP address for the C72 node of Huawei Oceanstor 9000, you need to plan 4 static front-end IP addresses for each node.
Question329: Which types of nodes are supported by Huawei OceanStor 9000? (Multiple Choice)
Question330: The roadmap of big technology evolution is as follows: from distributed storage to cloud storage and from intelligent analysis to distributed analysis.
Question331: Implementation engineer A checks the interface module of Huawei hybrid flash storage OceanStor18000, which of the following statements are correct? (Multiple choice)
Question332: Which of the following File System Protocols are available in the OceanStor V3 devices? (Multiple Choice)
Question333: With Huawei's intelligent distributed storage products, clusters can only provide block storage and object file storage interfaces for upper-layer applications.
Question334: Which of the following is not a mandatory optional component in the architecture of a NAS system?
Question335: Before deploying Huawei's active-active disaster recovery solution, information about the customer's network environment must be collected, including: (Multiple Choice)
Question336: Which of the following descriptions about the Huawei Oceanstor 9000 product system are correct? (Multiple choice)
Question337: Huawei Oceanstor 9000 also needs to apply for some temporary IP addresses for the back-end business network during the software installation process. Which descriptions of these temporary|P addresses are correct? (Multiple choice)
Question338: When configuring active and standby disaster recovery, which of the following conditions must be met for the LUNs on the primary and standby arrays?
Question339: Operation and maintenance engineer A consults the Huawei All-Flash Storage Manual about the process of hardware trusted and secure boot, which of the following sequence is correct?
① Verify Grub's signature public key
② Verify the status of the software signing certificate
③ Verify and load Grub
④ Verify and load the OS
Question340: The three elements of the CAP principle of a distributed database system are: Consistency, Availability, and Partition tolerance.
Regarding the three elements of CAP that the database follows, which of the following descriptions are correct? (Multiple choice)
Question341: Which redundancy mode is adopted by the power supplies in the OceanStor 5600 V3 with 3 U enclosure?
Question342: To create mirrors for heterogeneous storage arrays in the Huawei Local HA Solution, which of the following features must be used together with HyperMirror?
Question343: Which of the following statements about the characteristics of Huawei OceanStor 9000 is false?
Question344: The game live broadcast platform A uses Huawei's all-flash storage to protect its business, and the storage system uses FlashLink technology designed specifically for flash memory. Which of the following statements about writing ROW in full scale and large block order are correct? (Multiple choice)
Question345: When OceanStor V3 creates a remote replication pair, which of the following is the default synchronization speed?
Question346: A colleague customized an active-active disaster recovery solution for a customer. The customer already has a third-party storage system and plans to purchase a new OceanStor 5300 V3, and place the two sets of devices in two data centers to implement active-active disaster recovery. Which solution?
Question347: Before deploying and implementing storage devices, you need to plan and design storage solutions. Which of the following options should be performed during the planning and design process? (Multiple choice)
Question348: Which of the following descriptions of DME architecture characteristics are correct? (Multiple choice)
Question349: Under which conditions can HypetClone be used? (Multiple Choice)
Question350: A company purchased a set of Huawei horizontally extended file storage to build a file sharing system. At present, the clients of each department use different IP subnets, and the storage administrator configures the front-end service IP addresses of all nodes to belong to the same subnet.
Which steps are correct for the storage administrator to configure the subnet? (Multiple choice)
Question351: An engineer needs to perform a snapshot rollback operation to obtain source data at a certain time in the past. Regarding this operation process, which of the following statements are correct? (Multiple choice)
Question352: In the Huawei HyperMetro active-active solution, when the active-active data center link fails, the priority site can be submitted to arbitration first, so that the priority site can win the arbitration first and continue to provide host services.
Question353: Which one of the following descriptions about the unified namespaces is incorrect?
Question354: In the Huawei disaster recovery solution, which of the following distances can choose synchronous remote replication technology?
Question355: Which of the following statements is correct about the Huawei Network-Layer Remote Replication Solution?
1. Network-layer remote replication uses network devices to mask the heterogeneous nature of disk arrays at the primary and secondary centers so that remote replication can be implemented between the disk arrays.
2. In the production center, data is written to both the log volume and production volume, but in the DR center, data is just written to the production volume.
Question356: In the Huawei Active-Passive DR Solution, it is a mandatory step to create consistency groups.
Question357: LLD (Lom Level Design) is based on the determined target network architecture, clearly designing the scope of the network and the functional deployment plan, the specific design content includes clarifying the interactive process and all services of the important business that the customer pays attention to within the scope of the contract, the function allocation of each network element, the design of the peripheral docking relationship of the network element, the docking requirements and compliance with the norms, the quantitative calculation of docking resources.
Question358: Which of the following statements about synchronous remote replication implemented by OceanStor V3 storage systems is false?
Question359: The process for designing a backup solution is divided into multiple phases.
Which is the correct sequence?
Question360: The backup management system includes backup management software and backup management server. Which of the following items can be managed? (Multiple choice)
Question361: An enterprise purchased a set of Huawei distributed storage system, and now it needs to plan and deploy the network. Which of the following network plane must be planned for the group network plane? (Multiple choice)
Question362: Huawei Distributed Storage Block Service provides a snapshot mechanism to save the state of a user's data volume at a certain point in time, which can be used to export data and restore data later.
Question363: A company uses Huawei Distributed Storage Object Service to save transaction orders and enables the WORM function. The administrator finds that some objects can only be read but cannot be modified. What WORM state might these objects be in? (Multiple choice)
Question364: Which protocol provides the fastest transfer speed?
Question365: Regarding the switch used in the Huawei Oceanstor 9000 system, which of the following options are correct?
Question366: Data "write through" will generally be faster than Data "write back".
Question367: In the five-step method of disaster recovery plan design, which is the correct sequence of the following steps in the design process?
Question368: Which of the following service interfaces does the Huawei N8000 clustered NAS system provide? (Multiple choice)
Question369: Huawei OceanStor V3 hardware offers Converged Storage which means every OceanStor V3 natively supports DAS and SAN.
Question370: During the maintenance of the Huawei Oceanstor 9000 system, it is recommended that the system administrator check the account routinely. What are the contents of the check? (Multiple choice)
Question371: Bank A purchased a batch of Huawei OceansStor 18500 v5 to expand the connection through RDMA Scale-out. Which of the following statements are correct? (Multiple choice)
Question372: Which of the following is not included in the three elements of Huawei's primary and backup disaster recovery program information research?
Question373: Which of the following statements is incorrect about the scenario where one primary backup domain and multiple branch backup domains exist?
Question374: In Huawei 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. From the data synchronization of the last synchronization cycle completes to the current synchronization starts, all data generated on the master volume will be written to the slave volume during this synchronization.
Question375: Which of the following operations performed in a file system does not require quota check?
Question376: HyperMirror can be used for: (Multiple Choice)
Question377: Which of the following iSCSI connection modes is the most expensive but provides the best performance?
Question378: In the process of dealing with storage failures, which of the following principles should be followed? (Multiple choice)
Question379: Regarding the application of the InfoStamper feature, which of the following options are correct? (Multiple choice)
Question380: 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)
Question381: Which of the following statements about multipart upload of object storage service are correct? (Multiple Choice)
Question382: When designing a backup solution, what factors must be considered? (Multiple Choice)
Question383: Which of the following concepts are used in object storage service (compatible with Amazon S3 APIs)? (Multiple Choice)
Question384: The common hardware faults of the OceanStor enterprise storage devices include: (Multiple Choice)
Question385: Huawei Oceanstor 9000 alarm notification methods include email notification and SMS notification.
Question386: Which of the following state changes of a WORM filesystem require manual operation: (Multiple Choice)
Question387: An enterprise purchased a set of Huawei hybrid flash storage system, and plans to configure NAS services to facilitate file storage and sharing among various departments. Which of the following planning and design are correct? (Multiple choice)
Question388: Which one of the following descriptions about WushanSQL is wrong?
Question389: In a VMware backup scenario, if a non-SAN transmission mode is used, backup data is transferred from production storage to VSA by the EXS host, and is written to backup storage by MA.
Question390: Which software module is not included in the OceanStor 9000 product?