Question1: In Huawei OceanStor V3, what unit does Thick LUN apply for space from the storage system?
Question2: Regardless of whether it is a single disc or multiple discs, only one head is allowed to read and write data at a time.
Question3: In the Huawei storage system, which of the following descriptions about the characteristics of virtual snapshot LUNs is correct? (Multiple choice)
Question4: Statement 1: The file system of SAN storage is deployed on the storage side, and the file system of NAS storage is on the host side.
Statement 2: Dynamic hierarchical storage can realize data migration between storage media with different performance
Question5: Which of the following statement about DAS is wrong?
Question6: Which ports in the FC switch can communicate with each other is determined by the zone.
Question7: Description 1: SATA hard disk can be used in SAS environment
Description 2: In terms of interface standards, SATA is a sub-standard of SAS, so the SAS controller can directly control SATA hard disks, but SAS cannot be used directly in the SATA environment.
Question8: Which of the following objects can be monitored on DeviceManager?
Question9: In the storage system, which of the following statements about cables are correct? (Multiple Choice)
Question10: Which is the correct description of the FTP file transfer protocol?
Question11: Which of the following storage services does Huawei distributed storage (such as Huawei OceanStor100D) support? (Multiple Choice)
Question12: The earliest form of external storage is to connect some independent disks in series. Only increasing the capacity cannot provide security. Which of the following description is correct?
Question13: What state must the LUN migration be before the consistency split is performed?
Question14: Which of the following statements about Remote Direct Memory Access (RDMA) is correct?
Question15: Statement 1: ICT infrastructure should be built with high-end equipment with high reliability, so there is no need to establish a backup.
Statement 2: Servers are usually used to refer to computers with higher specifications in some enterprises. These computers usually install some important software in the enterprise, run important business.
Question16: Engineer A wants a RAID that does not affect the CPU, and engineering B wants a RAID that the CPU runs. Which of the following is correct? (Multiple Choice)
Question17: Both RoCE and WARP are RDMA technologies.
Which of the following is used to implement RoCE and WARP?
Question18: The business needs to provide block services and file services. Which of the following is correct?
(Multiple Choice)
Question19: () divide the physical hard disk into many data blocks (chunks, CKs). The CK on different disks form a CKG (Chunk Group) with a RAID relationship, and multiple CKGs form a huge storage resource pool. The resources used by the host depend on the resources obtained from the pool.
Question20: A company needs to make a backup strategy. The company has a small amount of backup data and hopes to back up in a short time and save storage space to the utmost extent.
Which type of backup do you recommend?
Question21: The following are two statements about cloud computing:
Statement 1: A deployment model of cloud computing is to divide a large physical server into multiple small virtual machines.
Statement 2: A deployment model of cloud computing is to aggregate multiple small physical servers into one large host.
Question22: The lowest level of disaster tolerance during backup.
Question23: In flash memory media chip technology, QLC is cheaper than TLC and supports frequent rewriting. SCM (Storage Class Memory, storage class memory) can provide high-speed read and write rates, suitable for server memory.
Question24: Which of the following statements about the NAS architecture is incorrect?
Question25: Based on Huawei Oceamstor distributed storage, which of the following statements about network plane division is correct?
Question26: What are the common protocols in NAS systems? (Multiple Choice)
Question27: The data compression feature saves space by deleting data.
Question28: Which description is wrong about NFS? (Multiple Choice)
Question29: The DAS storage network architecture must be built using additional switches and routers.
Question30: Which of the following items can be replaced by CRU users?
Question31: The process of regenerating all user data and parity data on the failed disk in the mirror array or RAID array is called:
Question32: In the FC protocol, which layer is responsible for encoding and decoding?
Question33: Which statements are correct about consistency group? (Multiple Choice)
Question34: DAS is a storage architecture without scalability.
Question35: The common protocols of NAS are: (), CIFS, FTP, HTTP, NDMP, etc.
Question36: NAS equipment optimizes file service, storage, retrieval, file access and other functions on the basis of general-purpose servers.
Question37: Which of the following statements about HyperClone is incorrect?
Question38: Which description is wrong about NFS? (Multiple Choice)
Question39: The performance of the controller, front-end and back-end ports can be monitored through Device Manager.
Question40: Which of the following commands is used to query the function configuration of the imported license file in the storage system?
Question41: What can replace FC0 and FC1?
Question42: Drag questions. According to the NGN architecture, please drag and drop the following corresponding devices to the hierarchical structure to which they belong.
Question43: SmartTier divides different storage media into three storage tiers according to their performance levels. From high to low, they are high-performance tier, performance tier, and capacity tier. Each storage tier uses a different hard disk type. Please match the storage tier below and the corresponding hard disk type.
Question44: SSD interface type: 4
Question45: The SCSI bus assigns a unique ID to each device, and can support up to 8 devices. On the one hand, the device ID is used to address and the other is to identify the priority of the device in the use of the bus.
Question46: A sector is the smallest storage unit that can be independently addressed in a disk.
Which of the following is the default sector size?
Question47: LUN and the file system will not be in the same storage pool, nor in the same hard disk
Question48: Which is correct about HyperMeteor? (Multiple Choice)
Question49: Regarding the characteristics of the LAN-FREE backup method, which of the following is incorrect?
Question50: Regarding the LUN deduplication of OceanStor V3, which of the following statement is wrong?
Question51: Which of the following steps does the CIFS protocol work need to go through?
Question52: Which mirroring scenarios are mainly used for volume mirroring, or Hyper Mirror? (Multiple choice)
Question53: Regarding the four disaster recovery modes of active-active, hot standby, warm standby, and cold standby, which of the following statements is wrong?
Question54: Images and music belongs to unstructured data.
Question55: Regarding the description of the Hyper Clone function, which are correct? (Multiple Choice)
Question56: The steps of asynchronous remote replication technology at multiple points in time. Which of the following statements is correct?
(1) A new time slice (T2, P2) is generated in the cache of the primary LUN and the secondary LUN when each replication cycle starts (2) The data newly written by the host is cached in the time slice T2 of the main LUN Cache, and the response host is completed (3) The data received by the master and slave LUN will be downloaded to disk respectively (4) Copy the data of time slice T1 directly to the slave LUN, and write it into the time slice P2 of the slave LUN
Question57: An enterprise needs to purchase backup media for data backup. It must inherit the enterprise's original tape backup structure and strategy and increase the backup speed. What kind of backup media does this company buy?
Question58: Which of the following statements about Thin LUN are correct? (Multiple Choice)
Question59: Which is correct about traditional RAID? (Multiple Choice)
Question60: Which of the following descriptions of NAS solutions are correct? (Multiple choice)
Question61: During the host's read operation of Thin LUN, what technology is used to read data from the corresponding actual storage space in the storage pool?
Question62: After a certain company power on a certain data center system, in the initial configuration process, which of the following options are necessary? (Multiple choice)
Question63: Development trend of cloud data center:
1. Business-driven distributed cloud data center
2. Distributed cloud data center
3. Enterprise chimney
4. Cloud data center
Question64: Three stages of implementing SmartTier. The storage system goes through three stages (), (), and () to realize SmartTier.
Question65: Drag and drop questions: Drag the options to the corresponding boxes.
Question66: CIFS share permissions from large to small are as follows: 1. "Prohibit", 2 "Read and Write" 3
"Full Control" 4 "Read Only"
Question67: Which of the following description about Huawei Ocean Stor full-flash storage is wrong?
Question68: Because they are cheap and still have a large capacity we can say that cMLC Solid State Disks are ideal for storing MP3 files and JPGs at home.
Question69: In the backup system, the backup data center needs to pass through the media server before it can be transferred to the storage system.
Question70: Deduplication and compression can only be enabled for Thin LUN.
Question71: In Huawei RAID 2.0+, when the hot spare strategy of a certain storage layer is low, which of the following descriptions about the capacity of the hot spare space reserved by the system for this layer is wrong?
Question72: Which item is correct in the description of distributed storage nodes based on Huawei's DCeanstor distributed storage such as Huawei oceanstor 1000?
Question73: When does data become information?
Question74: Which of the following are the characteristics of cloud storage? (Multiple Choice)
Question75: Regarding the benefits and necessity of building a disaster recovery system for enterprises, which of the following statement is wrong?
Question76: Which of the following data storage products does Huawei provide?
Question77: Data management is the process of using computer hardware and software technology to effectively collect, store, process and apply data. In chronological order, what phases can data management be divided into? (Multiple Choice)
Question78: The QoS of the file system supports IO priority configuration and also supports policy configuration.
Question79: Scale-up is the process of adding storage components into existing storage systems to improve the capabilities of multiple nodes and expand capacity to handle data growth.
Question80: Which of the following are the goals of integrating artificial intelligence into storage? (Multiple Choice)
Question81: Huawei al-flash series storage systems employ the FlashLink technology. It is designed for flash memory to prov ide high IOPS concurrency and stable low latency. Which of the following are key technologies of FlashLink?
Question82: There are twos statements of fiber optic switches below, which is correct?
Statement 1: A port can be in multiple zones.
Statement 2: A switch can have multiple zones.
Question83: When deploying random small IO-based database services on storage, which RAID type should be more appropriate? Why?
Question84: Which of the following is not an IP SAN component?
Question85: A Snapshot of an original snapshot contains data written to the original snapshot. Which of the following is deemed a snapshot of an original snapshot?
Question86: Regarding the description of eSight, which of the following statements are correct? (Multiple Choice)
Question87: () storage: External disk array with RAID controller: The disk array is based on the disk cabinet, and the internal disks are virtualized into logical disks through the built-in RAID controller, and then connected to the host through the external SCSI interface SCS interface on the upper end.
Question88: FC relies on a dedicated FC network, which is easy to form storage islands.
Question89: The RDMA protocol can achieve direct access to the memory of the remote device. RDMA achieves ultra-low latency between endpoints, ultra-high throughput transmission, and does not require cpu, os intervention does not need to consume too many other resources for the processing and transmission of network data.
Question90: Which of the following are included in the external storage according to the connection method?
(Multiple choice)
Question91: After the host installs the multipath software, which of the following descriptions are correct?
(Multiple choice)
Question92: Which of the following descriptions of SAN and NAS are correct? (Multiple choice)
Question93: When the disk is read and written, the sector is the smallest addressing unit. You can write a piece of data to the first half of a sector, and then write a piece of data to another sector.
Question94: Regarding the advantages of DAS, which of the following descriptions is correct? (Multiple choice)
Question95: Incremental backups must rely on the last full backup and the last incremental backup to fully restore the data during data restoration. Data reconstruction during restoration is slower than a full backup, and the restoration window is larger.
Question96: Which one of the following statements is correct?
Question97: Which of the following is the advantage of object storage? (Multiple choice)
Question98: Among the components of the mechanical disk, the components responsible for reading and writing data are:
Question99: What is the least important thing about the information life cycle?
Question100: Which NVMe is correct? (Multiple Choice)
Question101: Drag the corresponding option to the specified position on the CLI command.
The two keys are page up and page down
Exit Instruction Manual
view command
view command parameters
Question102: Engineer C maps the storage to the file server for storing various files of the enterprise. One day, the file system was attacked by a virus and the file could not be opened normally. In order to allow the files to be accessed normally, storage engineer C performs a snapshot rollback operation. Which of the following descriptions is wrong?
Question103: Which of the following descriptions of NAS solutions are correct? (Multiple choice)
Question104: Regarding data-level, application-level, and business-level disaster recovery, which of the following statements is correct?
Question105: Data processing includes the following basic steps: input, processing, and output. Which of the following options belong to the processing steps? (Multiple Choice)
Question106: What are the common protocols in SAN networking? (Multiple Choice)
Question107: Which of the following are not the advantages of cloud data centers?
Question108: Huawei Dorado is positioned as small and medium-sized enterprises, centralized storage, video surveillance, database applications, etc.
Question109: Which of the following RAID levels requires at least 4 hard drives?
Question110: In the LAN-Base networking, both business flow and data flow go through the LAN network, which occupies a large bandwidth.
Question111: The SmartMigration feature implements service () migration from source LUNs to target LUNs through service data synchronization and splitting.
Question112: Huawei OceanStor V3 SmartTier feature can be used to place data on the specified disk type.
Question113: The level of PCle equipment: mainly divided into (), (), (), ()
Question114: Which of the following is wrong about the features of OceanStor V3?
Question115: Statement 1: FC protocol and FCoE protocol have different operating environments, different operating channels, and the same protocol stack.
Statement 2: FCoE can only run on 10GE, which solves the problem of short FC transmission distance and packet drop in IP network.
Question116: In a traditional RAID group, when a certain number of hard disks fail, the entire RAID group can prevent data loss, and the data recovery process has not yet started. What is this state?
Question117: A company newly purchased a hybrid flash memory device. What functions can the device provide for the company? (Multiple Choice)
Question118: Smartkit can manage third-party devices.
Question119: The size of the primary LUN and the secondary LUN in remote replication must be the same
Question120: In the following description of the Hyper clone feature, which options are correct? (Multiple Choice)
Question121: There are two statements about backups as follows:
Statement 1: The data backed up on the tape can be used for data recovery at any time, but only the historical data at the time of the backup can be recovered, not the data at the time of the failure.
Statement 2: Using tape as the backup medium is the highest RTO backup method.
Question122: The allocation of storage space when writing is Capacity-on-write, and the redirection of reading and writing is Direct-on-time.
Question123: A media company purchased storage equipment from multiple manufacturers during the construction of its data center. The chief technology officer hopes to centrally manage these storage devices through storage virtualization. Which of the following is not a function of storage virtualization?
Question124: A data center is an infrastructure built to access and carry server services. According to the business, the data center can be divided into ________. (Multiple choice)
Question125: The hard disk domain supports online adding hard disks, and the storage pool supports online expansion.
Question126: The advantages of SAN for NAS unified storage do not include:
Question127: What technology is used to realize the conversion between Thick LUN and Thin LUN?
Question128: Which of the following statements about eservice are correct? (Multiple Choice)
Question129: Which of the following storage services are supported by Huawei scale-out storage products?
Question130: The enterprise storage device has 30T space, divided into three 10TThinLUNs, and imported 20T old data, so an error is reported.
Question131: Oceanstor dual-controller hybrid flash storage products must ensure that the LUN working controller and the attribution device are consistent in control
Question132: Drag the corresponding icon to the corresponding position in the front view of the disk enclosure.
Question133: The storage granule of SSD has developed from SLC that stores one bit in one cell at first, to MLC of two bits, to TLC of three bits, and progressed to QLC that stores () bits in one cell.
Question134: The full name of RPO used in disaster recovery backup is:
Question135: The configuration process of SmartTier must remember the sequence before and after, it will change during the exam, so you can drag and drop to complete the sequence.
Question136: When Ultra Path is installed on the application server, the operating system can automatically identify the LUN mapped to the host without restarting the host.
Question137: Which of the following is the protection object of HyperLock?
Question138: The synchronous remote replication management module RM is software.
Question139: In a RAID 5 composed of three disks, if 10110110 and 11010011 are written to two data disks forming the same strip at the same time, then 01100101 will be written to the parity disk.
Question140: Which of the following descriptions of the SAS protocol are correct?
Question141: A company has sufficient client server resources, but the network resources are tight. Which deduplication strategy is suitable?
Question142: In Huawei RAID 2.0+, disk groups are internal objects automatically: configured by the storage systems and typically used for fault isolation. They are not presented externally.
Question143: Drag and drop question: The basic function of ODN connection equipment and devices is to realize the connection of the optical path. Please drag and drop the corresponding correct description of the function of the optical cable when connecting.
Question144: Which of the following statements about thick LUNs and thin LUNs is incorrect?
Question145: How is the information life cycle affected? (Multiple Choice)
Question146: A distributed storage system can support (), (), () and () services.
Question147: The user wants to purchase a server (or storage), deploy database services, and has high IOPS requirements. Please help the user to choose which of the following models?
Question148: Which of the following descriptions of cloud computing are correct? (Multiple choices)
Question149: Since NAND Flash is a () medium, the original data must be erased before new data is written, and then the data is written. However, the number of erasing and writing of each cell is limited.
When the number of times of erasing and writing reaches the limit, the () cannot continue to read or write data.
Question150: Storage disaster recovery technology is mature, with a wide range of options.
Question151: The essence of IP flapping is the switching of the port currently carrying the service, and these ports can be (), () or ().
Question152: Which of the following operations should be done by employee A of a bank in the first maintenance project of data center storage?
1. Check Toolkit installation
2. Check eService installation and configuration
3. Check the alarm policy configuration
Question153: SSD is mainly composed of a control unit and a storage unit. Which of the following does not belong to the control unit?
Question154: NAS is easier to deploy than SAN.
Question155: In the Huawei OceanStor V3 storage system, which one of the following statements about mapping snapshot LUNs is correct?
Question156: What is the synchronization cycle time limit for asynchronous remote replication?
Question157: The company has newly introduced NAS server, which of the following is wrong of the engineer's advice to the customer?
Question158: What are the shortcomings of traditional RAID compared to raid 2.0?
Question159: FTP is a very secure protocol, there is no security risk.
Question160: The link layer of SAS defines how the transmitted commands, status, and data are encapsulated into SAS frames and how SAS frames are decomposed.
Question161: pcie can provide the business interface between the control box and the data switch for exchanging control flow and data flow information between the control boxes.
Question162: An e-commerce website usually has a relatively stable business volume and buys its own servers to build a private cloud operation. However, when the Double Eleven sales promotion comes, the business volume is very large, and the server is rented from the public cloud of the operator to share the holiday load. So, what does the cloud computing deployment model belong to?
Question163: A certain bank will launch a set of business systems, which have very high performance and security requirements. The database uses an Oracle database and plans to deploy the Oracle database to a storage system. Then, when creating a RAID group for the Oracle database, the optimal RAID strategy should be:
Question164: The NAS engine and the storage unit are interconnected by an Ethernet switch.
Question165: Which of the following descriptions about the technical characteristics of pre-copy are correct?
(Multiple Choice)
Question166: Taking Huawei OceanStor all-flash devices as an example, which of the following descriptions of logical ports are correct? (Multiple Choice)
Question167: Which is correct about RAID 10? (Multiple Choice)
Question168: Scale-Up and Scal-Out features and advantages and disadvantages, there will be multiple choice questions or fill-in-the-blank questions
Question169: What are the NFS authentication methods? (Multiple Choice)
Question170: What are the current challenges in disaster recovery? (Multiple choices)
Question171: What are the implementation methods of RAID? (Multiple Choice)
Question172: Which of the following statements about IP SAN and FC SAN are correct?
Question173: CKG is composed of multiple CKs on different types of different hard disks in the hard disk domain.
Question174: A bank newly purchased a full-flash storage device (such as Huawei Ocean Stor full-flash memory), and the engineer initialized the device. Which of the following operations is correct?
Question175: Regarding the NFS write mode in the Huawei OceanStor V3 storage system, which of the following is correct?
Question176: ANAS storage system has its own file system.
Question177: The built-in storage system is directly connected to the host bus, which mainly includes the high- speed cache and memory required for CPU operations, and the hard disk and optical drive directly connected to the computer motherboard.
Question178: () feature, also known as the active-active feature, the two data centers back up each other and are both running.
Question179: Huawei's full-flash storage system uses the Smart Matrix architecture to achieve front-end and back-end interconnection, and the failure of any controller does not affect normal business operations.
Question180: Which one of the following options is stored in a narrow-sense storage?
Question181: hich of the following options are correct regarding the advantages of NVMe? (Multiple Choice)
Question182: The data backed up by the differential backup is relative to the data added and modified after the last full backup.
Question183: The configuration process of SmartMigration must remember the sequence before and after, it will change during the exam, so you can drag or connect to complete the sequence.
Question184: () is the premise that the target LUN can successfully replace the source LUN to carry the service after the service information is synchronized.
Question185: Create a Thin LUN on Huawei OceanStor V3 with a capacity of 100G and an initial allocated capacity of 10G. After the LUN is mapped to the Windows 2012 host, the corresponding disk is scanned on the host. The displayed capacity of the disk should be 10G.
Question186: Fill in the blanks to test FRU and CRU, write the definitions
Question187: In RAID 2.0+,which of the following is the minimum granularity to allocate storage space in thin LUN mode
Question188: Create a Thin LUN on Huawei Oceanstor storage with 100G and an initial allocated capacity of
10G. After mapping this LUN to a Windows ID host, the corresponding disks scanned on the host should be displayed as 10G.
Question189: () is also called a user replaceable unit.
Question190: Regarding the characteristics of DAS, which of the following descriptions is correct? (Multiple choice)
Question191: In the HyperReplication feature (block service), when the remote replication pair performs synchronous replication, the IO sent by each host will be written to the primary LUN and the secondary LUN at the same time, until the primary LUN and the secondary LUN return processing results. Returns the host processing result. Therefore, synchronous remote replication can achieve RPO as ().
Question192: What is the networking method of FC SAN? (Multiple choice)
Question193: In an enterprise IP SAN network, the host resource occupancy rate is always high. After investigation, it is found that the Initiator software in the host occupies a large amount of resources to complete the conversion of iSCSI packets to TCP/IP packets. The enterprise engineer proposed several types of storage Network upgrade solutions, which of the following solutions can solve the above problems? (Multiple Choice)
Question194: A company uses Huawei's storage array to build a disaster recovery center and configures a remote replication consistency group on the Device Manager. Which of the following is wrong?
Question195: Huawei Ocenstor hybrid flash memory can only be expanded through PCIe Scale-out.
Question196: Which of the following disk types is not supported by disk groups in RAID 2.0+?
Question197: In order to access the bearer server, the data center establishes the infrastructure, which can be divided according to the business? (Multiple Choice)
Question198: The configuration process of HyperMetro must remember the sequence before and after, it will change during the exam, so you can drag or connect to complete the sequence.
Question199: Which of the following resources is not managed and controlled by the SmartQoS feature?
Question200: The RTO in the metrics for disaster recovery systems refers to the point in time target requirements at which the system and data must be restored after a disaster occurs.
Question201: In iSCSl communication, an initiator is used to initiate I/O requests.
Which of the following can be used as an imitator?
Question202: Compared with NAS storage system and file server, what are the advantages of NAS storage system? (Multiple Choice)
Question203: Converged storage nas and san combine to provide block storage and object storage services, which greatly increases management costs.
Question204: According to the disaster tolerance effect, the disaster tolerance level can be divided into ____.
(Multiple choice)
Question205: Banking is the most demanding industry in enterprise IT-level systems. For its core transaction business systems, entry-level business systems are generally used to ensure business reliability.
Question206: For Huawei Ocean Stor all-flash storage devices, which of the following descriptions about LUN and LUN groups are correct? (Multiple Choice)
Question207: The following pictures are the computing nodes in Huawei OceanStor 9000 series distributed storage, drag and drop the corresponding names to the corresponding positions.
Question208: Statement 1: A RAID composed of several hard disks is called a physical volume. Statement 2:
RAID 5 can increase the read and write speed and provide a certain degree of data security, but when a single hard disk fails, the read and write performance will be greatly reduced.
Question209: Which RAID can recover data when data is damaged? (Multiple Choice)
Question210: The composition of the backup system does not include?
Question211: LAN Free and Server Free are the backup networking modes that have little impact on host performance.
Question212: What scenarios can RDMA technology be applied to? (Multiple Choice)
Question213: () backup data stream does not occupy LAN resources and does not affect user network performance.
Almost no impact on the hosting business.
Question214: Which of the following operating systems can access CIFS shares without installing additional software?
Question215: Due to the earthquake, a company's IT system went down at 16:00 on November 11 leading to a business halt. By 23:00 on the same day, the IT system resumed operation and the data at 12:00 of that day can be restored. Then what respectively are the RTO and the RPO?
Question216: In Huawei storage, such as Huawei OceanStor hybrid flash memory, the Hyper Metro feature uses strong consistent feature technology. Which of the following description of strong consistency is wrong?
Question217: Which of the following are Huawei storage solutions? (Multiple Choice)
Question218: Which one of the following options is in the correct order of the basic business configuration process for data center block storage?
1. Create a mapping view.
2. Create a storage pool.
3. Create a hard disk domain.
4. Create LUNs and create LUN groups.
5. Create a host group.
6. Log in to Device Manager
Question219: If a company uses an OLTP database, which migration strategy is suitable for the company's Smart Tier?
Question220: According to the storage access rate, which types of storage devices can be divided into?
(Multiple Choice)
Question221: When NFS is used in the NAS network architecture, no dedicated software is required.
Question222: The new storage system has high I/O characteristics for the company's main business. When engineers design the hard disk domain, they plan the performance and high-performance tiers.
Which hard disks does the company's main business correspond to?
Question223: The factors that affect the performance of mechanical hard disks do not include ____.
Question224: What are the functions that can be achieved by storage snapshots? (Multiple Choice)
Question225: Change the synchronization steps of SmartMigration business data, drag the corresponding correct steps to the specified position.
Question226: A company uses the CIFS protocol for file sharing, and uses the Homedir sharing method in accordance with the security policy to provide all users with space for accessing folders and writing.
Question227: Which of the following statement is wrong? (Multiple choice)
Question228: A company uses the CIFS protocol for file sharing, and uses the Homedir sharing method in accordance with the security policy to provide all users with space for accessing folders and writing.
Question229: () is integrated into the operating system and requires no additional software. It only sends a little redundant information, so it has higher transmission efficiency than NFS.
Question230: Drag the corresponding option to the specified position.
Question231: A company is considering migrating part of its business from the old storage to the new Huawei distributed storage during the IT architecture upgrade. Which of the following is correct?
Question232: Distributed storage, choose the model according to the description, such as choosing a performance node, a capacity node or an all-flash node.
Options such as OceanStor 100D P100, OceanStor 100D P110, OceanStor 100D C100, OceanStor 100D C110, OceanStor 100D F100, OceanStor 100D F110
Question233: In disaster recovery applications, the HyperMirror function (remote data replication) can only be performed between two OceanStor 5300 V3, and cannot be performed between OceanStor 5500 V3 and OceanStor 5300 V3.
Question234: Which of the following is a valid protocol for a UNIX-based NAS server? (Multiple Choice)
Question235: Huawei ocenstor can only be expanded through PCI and Scale-out.
Question236: The core of disaster recovery technology is data replication technology. There are many data replication technologies. Which three layers can be roughly divided into the distribution of equipment that realizes the replication function? (Multiple Choice)
Question237: The system construction of enterprise A is the main and backup centers. Recently, an upgrade is planned. When the business is not busy next week and Saturday, the business will be switched from the primary site to the secondary site, and then the primary site will be upgraded. During the switchover process, Which of the following are correct? (Multiple Choice)
Question238: For a system with high business continuity, the RPO and RTO values should have which of the following characteristics?
Question239: Take Huawei Ocean Stor flash storage products as an example. Which of the following descriptions of indicator lights are correct? (Multiple Choice)
Question240: In Huawei RAID 2.0+, which is the correct description of chunck and extent?
Question241: For the new storage system, the company's main business has high I/O characteristics. When engineers designed the hard disk domain, they planned the performance layer and the capacity layer. What kind of hard disks does the company's main business have corresponding to the hard disk domain? (Multiple choice)
Question242: The IB system includes channel adapters CA, switches, routers, repeaters, and connected links.
CA is divided into which of the following? (Multiple choice)
Question243: Dual-controller storage systems generally contain mirroring channels, and data written to the storage system's Cache will be written to the peer controller through the mirroring channel.
Question244: Multipath software can only be used in IP-SAN.
Question245: Regarding the description of the coffer disk of the Huawei OceanStor storage system, which of the following is correct? (Multiple choice)
Question246: Which of the following descriptions of RAID striping related concepts are correct? (Multiple Choice)
Question247: A government unit adopts Huawei's two-location three-center solution for disaster recovery construction, and its business is mainly concentrated from 8:00 to 18:00. Which of the following is wrong?
Question248: Huawei storage deduplication feature, first write to disk, find free time to read and delete.
Question249: An enterprise adopts cloud primary and backup data-level disaster recovery. During business planning, storage can be divided into two types of LUNs based on actual needs: protected LUNs and unprotected LUNs. VMs that need disaster recovery are created on the protected LUNs, and only configure array replication for protection LUNs to save the storage space requirements of the disaster recovery center.
Question250: What are the correct compression features of Huawei? (Multiple Choice)
Question251: Which statements are correct about storage expansion? (Multiple Choice)
Question252: Which of the following descriptions of the iSCSI protocol are correct? (Multiple Choice)
Question253: What conditions should be considered for the device backup bandwidth? (Multiple choice)
Question254: Which of the following different types of SSD disks have the lowest price per unit capacity?
Question255: NDMP is a protocol specially designed for the () system of (). It allows the NAS device to directly send the data that needs to be backed up to the connected hard disk device or the backup server on the network, and this process does not require any backup ClientAgent to participate.
Question256: Which of the following statements about storage are correct? (Multiple Choice)
Question257: What are the advantages of SSDs over HDDs? (Multiple Choice)
Question258: The Smart Cache feature in Huawei OceanStor V3 series products can only improve read performance, not write performance.
Question259: Which of the following descriptions of the file access protocol is correct? (Multiple choice)
Question260: Which of the following are the characteristics of big data? (Multiple choice)
Question261: Engineer A is responsible for managing the storage devices of a company. Which of the following operations are included in storage management?
Question262: The data of a certain company is archived data and online business data. If the cost of using SSD solid state drives is high, and the use of NL-SAS hard drives cannot meet the performance requirements, what are the following technologies that cannot meet user needs? (Multiple Choice)
Question263: Huawei FusionCube is an IT infrastructure platform based on () architecture. FusionCube is no longer a separate computing, network, and storage device, but an integrated device. It realizes the integration of computing, storage, and network resources without additional configuration of storage, network and other resources.
Question264: In the bank's bill imaging system, structured data is often stored on the SAN array, and unstructured data is stored on the NAS array.
Question265: Statement 1: NAS file system is managed by storage or server that provides resources.
Statement 2: The file system of the SAN is managed by the host itself.
Question266: Which of the following RAID technologies need to calculate parity data when writing data?
(Multiple Choice)
Question267: A company makes a complete data backup relative to the current business for salesperson inquiry and data mining. Which of the following can be used to end?
Question268: Which of the following statements are correct about flash memory particles? (Multiple Choice)
Question269: Compared with traditional RAID, what are the characteristics of RAID 2.0+ technology? (Multiple Choice)
Question270: Which three stages does the storage system need to go through to realize Smart Tier? (Multiple choice)
Question271: Regarding the commonly used components of ICT, which of the following statements is correct?
(Multiple choice)
Question272: Features of various RAID levels
There are multiple-choice questions with wrong options, and the option is RAID1 with parity.
Question273: Volume, which is the internal management object of the storage system. () is a storage unit that can be directly mapped to the host for reading and writing, and is the external manifestation of the Volume object.
Question274: Which of the following descriptions about RAID technology is correct? (Multiple choice)
Question275: A company is mainly used for file system sharing in Linux, UNIX, MacOS and VMware operating system environments. Which of the following file access protocols is suitable for this company?
Question276: The difference between DAS and SAN, which of the following descriptions is wrong?
Question277: A company purchased a set of Huawei storage (such as Huawei OceanStor hybrid flash memory) equipment, using SAS interface hard drives.
In addition to SAS hard drives, what types of hard drives can the storage support? (Multiple Choice)
Question278: LUNs can be allocated to different ports to complete different services and form physical isolation.
Question279: () is a hard disk group, which is a collection of multiple hard disks of the same type in a hard disk domain. The hard disk types include SSD, SAS, and NL-SAS.
Question280: The x86 architecture is a type of data center infrastructure.
Question281: The following picture shows the type of computing node in Huawei OceanStor 9000 series distributed storage. The upper part is the front view, the lower part is the rear view
Question282: The protocols supported by DAS are? (Multiple choice)
Question283: In the Huawei OceanStor storage device, the coffer disk is an optional configuration because the write cache has a mirror image and there is backup power supply to power the controller.
Question284: Backup is concerned with data recoverability, and disaster recovery is concerned with business continuity.
Question285: Which of the following scenarios use the SCSI protocol? (Multiple Choice)
Question286: A company has a variety of services such as mail and online storage, and has limited storage space. It plans to use Smart Thin technology to optimize storage space. Regarding Smart Thin, which of the following statements are correct? (Multiple Choice)
Question287: Which of the following statements of RAID 1 is incorrect?
Question288: Which of the following descriptions of the relationship between the FC protocol and the SCSI protocol is wrong?
Question289: Which of the following descriptions is correct?
Description 1: LUN is composed of multiple Extents in the storage pool.
Description 2: LUN can contain one or more types of Extent.
Question290: If a user cares about reliability and random write performance, what RAID level would you recommend?
Question291: Storage architecture is developing from distributed to centralized.
Question292: In the Huawei storage system using RAID 2.0+ technology, regarding the difference between Thick LUN and Thin LUN, which of the following descriptions is correct? (Multiple choice)
Question293: Which of the following statements is correct about dual-controller storage? (Multiple Choice)
Question294: A device has only one WWNN number, but it can have multiple WWPN numbers.
Question295: Which of the following are the FC topology? (Multiple Choice)
Question296: Double write means that two storages are written at the same time, and the completion of the writing is signaled to the host separately. One storage terminal fails and cannot be restored to the host, and the business is interrupted.