OceanStor V3 series storage can only support iSCSI or FC host links separately, not both Connect to the network.
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Huawei · H13-611
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OceanStor V3 series storage can only support iSCSI or FC host links separately, not both Connect to the network. Reveal answer details Close answer detailsCorrect answerB
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In HUAWEI OceanStor, for synchronous replication to be successful, all host applications must be pauzed during the replication update process. Reveal answer details Close answer detailsCorrect answerB
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Database data belongs to structured data, and audio and video data belong to unstructured data. The growth comes mainly from the rapid growth of unstructured data. Reveal answer details Close answer detailsCorrect answerA
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The dual-controller storage system generally contains a mirror channel, and data written to the storage system cache will be written through the mirror channel Into the peer controller. Reveal answer details Close answer detailsCorrect answerA
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What is the main purpose of hot swapping technology in disk enclosures? Reveal answer details Close answer detailsCorrect answerB
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Statement 1: An ICT infrastructure should be built with high end equipment and be located in one site. Statement 2: A server is a rackmounted enterprise version of a desktop computer and typically has more than one hard disk installed. Reveal answer details Close answer detailsCorrect answerC
Multiple choice
Which statements are true about HyperMetro? (Select All that Apply) Reveal answer details Close answer detailsCorrect answersA, B, D Explanation HyperMetro allows the local and remote sites to run services at the same time, and a quorum server must be configured. Additionally, automatic switchover upon storage faults is supported. HyperClone can be configured for storage devices of different models and versions.
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The following description of IOPS is wrong: Reveal answer details Close answer detailsCorrect answerA
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In the following backup media, the order of unit capacity price from low to high is: Reveal answer details Close answer detailsCorrect answerC
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What is the infrastructure of the data center? (Multiple choice) Reveal answer details Close answer detailsCorrect answersA, B, C, D
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Statement 1; NAS systems must be interconnected using fiber optic cables. Statement 2: A network Reveal answer details Close answer detailsCorrect answerC
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In HUAWEI OceanStor based on RAID2.0+, when a user creates a file system, the system will Correspond to the LUN, and generate a file system on the LUN. Reveal answer details Close answer detailsCorrect answerB Explanation Resolution: LUN needs to be created manually
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What are the main functions of the business continuity solution? (Select All that Apply) Reveal answer details Close answer detailsCorrect answersA, C, D Explanation The main functions of the business continuity solution are to minimize the impact on the business service, ensure zero data loss and zero service interruption, and improve the utilization rate of the disaster recovery equipment. Predicting the disaster occurrence accurately is not a function of the business continuity solution.
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A snapshot is a point-in-time copy of the source data that serves as a data backup accessible to hosts. Reveal answer details Close answer detailsCorrect answerB Explanation A snapshot is a point-in-time copy of the source data that serves as a data backup accessible to hosts.
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The following are the advantages of SSD hard drives compared with mechanical hard drives. The description is correct: (multiple choices) Reveal answer details Close answer detailsCorrect answersA, B, D
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In a Red Hat Linux 5 operating system, which command is used to mount the sdb5 in the dev directory to the sdb5 in the mnt directory? Reveal answer details Close answer detailsCorrect answerC
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Statement 1: RAID 2.0+ is NOT based on traditional RAID technologies. Statement 2: RAID 2.0+ has excellent rebuild characteristics. Reveal answer details Close answer detailsCorrect answerA
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Given this scenario. A company wants replication of data between two data centers that are 2000 km apart. Which replication method is most recommended? Reveal answer details Close answer detailsCorrect answerA
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Description 1: The file system of the SAN storage is deployed on the storage side, and the file system of the NAS storage is on the host side. Description 2: Dynamic tiered storage can achieve data migration between storage media with different performance Reveal answer details Close answer detailsCorrect answerC
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In the HUAWEI OceanStor storage system, one LUN can create multiple snapshots, but only one snapshot can be activated. Reveal answer details Close answer detailsCorrect answerB Explanation Resolution: A LUN can create multiple snapshots, and each snapshot can be in an activated state.
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Description 1: The LUN is composed of multiple Extents in the storage pool. Description 2: The LUN can contain one or more types of Extent. Reveal answer details Close answer detailsCorrect answerA
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Which of the following is not a component of a backup system? Reveal answer details Close answer detailsCorrect answerD
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Which of the following is not one of the working principles of QoS? Reveal answer details Close answer detailsCorrect answerD Explanation Quality of Service (QoS) is a set of technologies used to ensure that network traffic is allocated resources according to predetermined priorities. The three main working principles of QoS are I/O Priority Scheduling, I/O Performance Assurance, and I/O Flow Control. I/O Latency Burst is not one of the working principles of QoS.
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Dual-switch networking is widely applied in Fibre Channel SANs. Reveal answer details Close answer detailsCorrect answersA, B, C
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The InfiniBand interface is used as the front-end host interface in HUAWEI OceanStor unified storage, which can flexibly support direct connection and Multiple networking modes of switches. Reveal answer details Close answer detailsCorrect answerB
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In the LAN-Base networking, both the service flow and the data flow take the LAN network, and occupy a large bandwidth. Reveal answer details Close answer detailsCorrect answerA
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Statement 1: Disaster Recovery plans eliminate the need for backups on tape or disk. Statement 2: With the design of the DR plan one should always assume the worst possible scenario. Reveal answer details Close answer detailsCorrect answerC
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Statement 1: For RAID 2.0+ to work optimally multiple disk domains must be created. Statement 2: A disk domain with 100 disks in it has better RAID 2.0+ protection and performance characteristics than a disk domain with 50 disks. Reveal answer details Close answer detailsCorrect answerC
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Which statements are true about RAID 2.0+? (Select All that Apply) Reveal answer details Close answer detailsCorrect answersA, C
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There are two descriptions about backups, the correct ones are: Description 1: The disaster recovery solution does not need to consider whether it is backed up on tape or hard disk. Description 2: The backup plan should consider the worst case. Reveal answer details Close answer detailsCorrect answerC
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Which statements are true about distributed storage? (Select All that Apply) Reveal answer details Close answer detailsCorrect answersA, C, D Explanation Distributed storage systems are designed to support horizontal scaling, which means adding more nodes to the system to increase both computing capability and storage space. This enables the system to handle large amounts of data and large numbers of users. Distributed storage systems also support storage resource pooling and virtualization, which allows for efficient use of storage resources and easy management of storage.
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Description 1: HyperMirror has a LUN failure, the host service is not interrupted, the HyperClone primary LUN fails, and the host service is interrupted. Description 2: HyperMirror supports dual copies, HyperClone supports a maximum of 1 master LUN: 16 slave LUN mode. Reveal answer details Close answer detailsCorrect answerB Explanation Analysis: HyperMirror (volume mirroring): by providing two mirrored physical copies for local LUNs or LUNs of third-party storage systems, continuous redundant backup protection of LUNs, thereby improving LUN reliability, reducing disaster risk and operation and maintenance costs . HyperClone (clone) can achieve full backup of LUN level without interrupting the host business, available
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Description 1: When Windows mounts a CIFS share with the same IP address (domain name or machine name), the same user can You can mount one or more shares at the same time, but you cannot use different users to mount the same or different shares. Description 2: Windows cannot share multiple Homedir shares with the same IP address (domain name or machine name) The user mounts multiple shares. Reveal answer details Close answer detailsCorrect answerA
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The SCSI protocol can be used not only for communication between the host and the disk, but also for communication between the host and the physical tape library, optical disc, and so on. Reveal answer details Close answer detailsCorrect answerA
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Regarding the advantages of DAS, the following description is correct: (multiple choice) Reveal answer details Close answer detailsCorrect answersA, C
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Using SmartThin gives extra responsibility for the SAN administrator because there is a risk of over-provisioning storage capacity. Reveal answer details Close answer detailsCorrect answerA
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In which stage of the lifecycle management of information and data, does the data management operation such as copying and backup occurs? Reveal answer details Close answer detailsCorrect answerC Explanation Data management operations such as copying and backups occur during the maintenance stage of the lifecycle management of information and data. During this stage, data is regularly backed up to ensure data integrity and to enable recovery in the event of data loss.
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Which of the following cloud service model deals with providing storage, network servers and virtualization of resources? Reveal answer details Close answer detailsCorrect answerC
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Regarding the characteristics of DAS, the following description is correct: (multiple choice) Reveal answer details Close answer detailsCorrect answersA, B
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What are the following types of disaster recovery at the host layer? (Multiple choice) Reveal answer details Close answer detailsCorrect answersA, B, D
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The following description about Huawei RAID2.0+ technology is correct: (multiple choices) Reveal answer details Close answer detailsCorrect answersA, B, C Explanation Analysis: The OceanStor storage system divides the Chunk Group (CKG) into smaller Extents. Extent as a number According to the minimum granularity of migration and the basic unit constituting Thin LUN, the default is 4MB. For Thin LUN or file system, A more fine-grained division (Grain) will be performed on the Extent, and it will be mapped to the Thin LUN and file system in the unit of Grain System.
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From the perspective of the cloud computing business model, Huawei network disks belong to PaaS. Reveal answer details Close answer detailsCorrect answerB Explanation Analysis: Huawei network disk belongs to SaaS (software as a service) or STaaS (storage as a service).
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Situation: Disk Domain A has 40 disks, Disk Domain B has 20 disks. True or False: the rebuild time for a failed disk in Disk Domain B is longer than for a failed disk in Disk Domain Reveal answer details Close answer detailsCorrect answerA
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The synchronous remote copy management module RM is software. Reveal answer details Close answer detailsCorrect answerA
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What are the maintenance items of the data center storage administrator? (Multiple choices) Reveal answer details Close answer detailsCorrect answersA, B, C
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The RTO in the disaster recovery system measurement index refers to the point in time when the system and data must be recovered after the disaster begging. Reveal answer details Close answer detailsCorrect answerB
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Select the statements that are correct about the functions of network devices. (Multiple Choice) Reveal answer details Close answer detailsCorrect answersB, C
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Most data generated by the Internet industry is structured data, amounting to 80% of total data. Reveal answer details Close answer detailsCorrect answerB
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Xiao Wang, an employee of a company, did the following in the company's storage system: 9:00 Take a snapshot of LUN A and activate it Alive, all the data of the snapshot LUN and the source LUN were modified at 10:00, and the snapshot was rolled back at 11:00. The following instructions are correct? (Multiple choice) Reveal answer details Close answer detailsCorrect answersA, C, D
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Storage Pools cannot be created with a single tier of disks. Reveal answer details Close answer detailsCorrect answerB
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What technology is used to convert Thick LUN and Thin LUN? Reveal answer details Close answer detailsCorrect answerA
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In the HUAWEI OceanStor storage system, a customer plans to deploy a business system, the database uses Oracle data, the average data block size is 16KB, when using SmartTier features, the following data migration granularity, the most The advantages are: Reveal answer details Close answer detailsCorrect answerA
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Which of the following options is narrowly stored? Reveal answer details Close answer detailsCorrect answerA
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Which statements are true about the functions of HyperClone? (Select All that Apply) Reveal answer details Close answer detailsCorrect answersA, C, D Explanation A, C, and D are all true statements about the functions of HyperClone. HyperClone allows you to back up data from a source LUN, and when the source LUN fails, service data can be recovered from any point in time before the fault occurred . Additionally, if a logical fault occurs on the source LUN, data can be reversely synchronized from the target LUN to the source LUN to recover services on the source LUN.
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Statement 1: RAID 2.0+ offers better protection against data loss than traditional RAID and it performs much better Statement 2: To rebuild a RAID 2.0+ protected failed drive takes a lot of time as all drives are involved in the rebuild of the spare disk. Reveal answer details Close answer detailsCorrect answerA
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Which statement is true about RAID 2.0+? Reveal answer details Close answer detailsCorrect answerC
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Which of the following are the supported data storage architecture of modern storage array? (Multiple Choice) Reveal answer details Close answer detailsCorrect answersA, B, C
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Distributed object storage has a unified namespace, and supports online expansion. Reveal answer details Close answer detailsCorrect answerA
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If an enterprise is backing up data, the data flow does not go through the production server, but through an independent network Transmission, what kind of backup network is used for this kind of backup? Reveal answer details Close answer detailsCorrect answerC Explanation Resolution:
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If a disk is faulty, what is the process of recovering data on the faulty disk? Reveal answer details Close answer detailsCorrect answerC Explanation If a disk is faulty, the process of recovering data on the faulty disk is typically done through a process called reconstruction. Reconstruction involves copying data from a healthy disk in a RAID array to the faulty disk. This can be done through software or hardware RAID controllers. The RAID controller will use the data stored on the other disks in the RAID set to recreate the data that was stored on the faulty disk.
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Which of the following items is NOT mandatory in a Fibre Channel SAN? (Multiple Choice) Reveal answer details Close answer detailsCorrect answersB, D
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In a NAS environment entire files are sent across the ethernet based network. The NAS server however stores these files in the form as SCSI blocks mostly on multiple disks using RAID protection. Reveal answer details Close answer detailsCorrect answerA
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In high end storage systems, what is the main function of the service processor? Reveal answer details Close answer detailsCorrect answerA
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Grid storage employs the combination of large scale serial distributed storage to provide even distribution of storage across all nodes. Reveal answer details Close answer detailsCorrect answerB
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Which of the following technology segregates the nodes in the SAN fabric into multiple networks and allows access control of the members? Reveal answer details Close answer detailsCorrect answerD Explanation Zoning is a technology that segregates the nodes in the SAN fabric into multiple networks and allows access control of the members. Subnet, VLAN, and Quarantine are all related to network security, but they are not specifically used in a SAN fabric.
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The amount of data in an incremental backup is larger than that in a differential backup. Reveal answer details Close answer detailsCorrect answerB
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Which one of the following component is responsible for rotating the disk platter in the disk drive? Reveal answer details Close answer detailsCorrect answerA
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Incremental backups must rely on the last full backup and the last incremental backup to perform data recovery Complete recovery, data reconstruction during recovery is slower than full backup, and recovery window is larger. Reveal answer details Close answer detailsCorrect answerA
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A company uses the CIFS protocol for file sharing, and uses the Homedir sharing method according to the security policy. All users access the folder and write space. Reveal answer details Close answer detailsCorrect answerA Explanation Analysis: CIFS is for Windows
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Statement 1: A port can be listed in multiple zones. Statement 2: A switch configuration can contain multiple zones. Reveal answer details Close answer detailsCorrect answerA
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Which is the correct formation order of the following elements in RAID 2.0+? Reveal answer details Close answer detailsCorrect answerC
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Statement 1: Multimode optic cables are usually longer than single mode cables. Statement 2: Sharp cable bends lead to weaker signal at the end of the cable. Reveal answer details Close answer detailsCorrect answerC
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Which of the following statements about SAS is false? Reveal answer details Close answer detailsCorrect answerB
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As the new storage administrator, you are tasked with the procurement of a new batch of SSD drives to replace the older drives that has reached the end of life. You have the option of SLC, MLC and TLC SSD. Which of the following will be your choice with a limited budget and medium level of reliability concerns? (Select All that Apply) Reveal answer details Close answer detailsCorrect answersC, D Explanation When choosing between different types of SSDs, the main factor to consider is the trade-off between cost and reliability. SLC (Single-Level Cell) SSDs are the most reliable and have the longest lifespan, but they are also the most expensive. TLC (Triple-Level Cell) SSDs are less reliable than SLC SSDs, but they are also less expensive. MLC (Multi-Level Cell) SSDs are a good balance between cost and reliability, they are more affordable than SLC SSDs and more reliable than TLC SSDs.
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A traditional RAID 10 set always has an even number of disks. Reveal answer details Close answer detailsCorrect answerA
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Among the following options, what is the correct sequence of the basic business configuration process for 1. Create a mapping view. Reveal answer details Close answer detailsCorrect answerB
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CKG is composed of multiple CKs on different hard disks of different types in the hard disk domain. Reveal answer details Close answer detailsCorrect answerB Explanation Analysis: The OceanStor storage system uses a random algorithm to set the Chunk (CK) of each storage layer according to user settings.
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Xiao Wang, an employee of a small business, accessed the CIFS protocol on a Linux application server supported by his company's storage system ask about shared files. Reveal answer details Close answer detailsCorrect answerB Explanation Analysis: Linux uses NFS protocol; Windows uses CIFS protocol
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Match the correct functionalities together: (1) IaaS (2) Hybrid (3) SaaS (a) Combination of public and private (b) Applications are hosted externally (c) Hardware is outsourced. Reveal answer details Close answer detailsCorrect answerC
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Which of the following operations is a daily maintenance item in data center storage? Reveal answer details Close answer detailsCorrect answerA
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Statement 1: LAN based backup strategies are preferred as they are the most cost efficient method and offer the highest performance. Statement 2: Any backup strategy should provide in storing production data and backup data in different physical locations. Reveal answer details Close answer detailsCorrect answerC |