EMT Practice Test

1. Question Content...

---

Question1: 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?

Question2: Huawei OceanStor 9000 can notify users of alarms by sending emails and short messages.

Question3: A colleague suggests running SmartErase on several disks at once to make sure all dab is deleted.
This is:

Question4: The InfoLocker feature of Huawei OceanStor 9000 can be used to meet the requirements of scenarios where data is written once and read multiple times.

Question5: Clone is a snapshot technology and a backup method that can be used for incremental synchronization and a clone copy is a full copy of dab at a specific point in time.

Question6: What modes are supported by SmartQuota of the OceanStor 5300 V3? (Multiple Choice)

Question7: 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?

Question8: Which performance indicators are covered by the routine inspection of an OceanStor 9000 system? (Multiple Choice)

Question9: During a SmartMigration task. (Multiple Choice)

Question10: During a Power Module replacement, we should consider the following;

Question11: SmartVirtualization allows us to; (Multiple Choice)

Question12: Is the Active-Active DR Solution feasible for the scenario where the existing third-party storage system and a newly purchased OceanStor 5300 V3 are deployed in the two data centers separately?

Question13: Which of the following comprise the software architecture of the OceanStor Backup Solution? (Multiple Choice)

Question14: Which of the following statements is true? (Multiple Choice)

Question15: Which of the following statements about the erasure code N+M redundancy implemented by Huawei OceanStor 9000 is false?

Question16: SmartMigration can relocate all services from the source LUN to the target LUN only when services on the host are stopped.

Question17: Which functions are provided by InfoAllocator for OceanStor 9000 administrators? (Multiple Choice)

Question18: The disaster recovery feature of a storage system supports an RPO of 30 minutes and an RTO of 15 minutes.
Then, which of the following statements are true? (Multiple Choice)

Question19: The process for designing a backup solution is divided into multiple phases.
Which is the correct sequence?

Question20: Which applications can be protected by OceanStor BCManager in Huawei Active/Passive Disaster Recovery Solution? (Multiple Choice)

Question21: 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)

Question22: What are valid criteria in determining the performance requirements of a solution? (Multiple Choice)

Question23: Which of the following statements about the HyperMetro quorum server mode are true? (Multiple Choice)

Question24: Users of HuaweiStorageSystem A are requesting higher performance for their OLTP application. The OLTP application is the only system using HuaweiStorageSystem A.
A colleague suggests improving performance by running SmartQOS on the LUNS involved, while decreasing the performance of other services:
This is;

Question25: 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:

Question26: In the Cascading Replication DR Solution, the synchronization + asynchronization and asynchronization + asynchronization modes are both supported.

Question27: Which of the following features are supported by thin LUNs? (Multiple Choice)

Question28: Huawei OceanStor 9000 employs decentralization. Therefore, the Wushan distributed file system does not have performance bottlenecks. As the number of nodes increases, the storage capacity and the computing capability increase linearly, w hich in turn provides linearly increasing bandwidth and concurrency capabilities for users.

Question29: Which of the following statements about InfiniBand is false?

Question30: In Huawei OceanStor Backup Solution, the backup data retention period is set to 15 days and the number of retention cycles is set to 2. Full backup is implemented once every 10 days.
Then, after how many days of retention will backup data become invalid?

Question31: Which of the following statements is true: (Multiple Choice)

Question32: After replacing a disk module we check that the Alarm indicator is off, this guarantees that the module is placed correctly and functional.

Question33: What is the maximum bandwidth per port of a 12 Gb/s SAS card in an OceanStor V3 storage device?

Question34: During data backup, data may be deduplicated to save space. For example, if data blocks A and B are the same, only one data block is physically stored, and the index corresponding to block A or B is deleted.

Question35: Which authentication modes are supported by the NFS service of Huawei OceanStor 9000? (Multiple Choice)

Question36: If a switch administrator does not want to use port zoning, it is preferred that he uses WWN zoning instead of alias zoning.

Question37: What types are supported by SmartQuota of the OceanStor 5300 V3? (Multiple Choice)

Question38: Which of the following statements about splitting a remote replication is true?

Question39: Which are characteristics of Huawei cloud storage? (Multiple Choice)

Question40: Which of the following statements about the HyperMetro static priority mode are true? (Multiple Choice)

Question41: What mechanism is used for I/O traffic control of SmartQoS to control traffic so as to achieve the performance control objectives for IOPS or bandwidth?

Question42: In Huawei asynchronous remote replication, what is the minimum synchronization period achieved through multi-time-segment caching technology?

Question43: Which of the following statements about diagnosing the OceanStor 5300 V3 are correct? (Multiple Choice)

Question44: 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.

Question45: Which network file sharing protocols are supported by a NAS storage system? (Multiple Choice)

Question46: In data backup scenarios, which of the following statements about optical discs is false?

Question47: Which of the following statements about synchronous remote replication implemented by OceanStor V3 storage systems is false?

Question48: Which functions are not provided by OceanStor ToolKit?

Question49: Which redundancy mode is adopted by the power supplies in the OceanStor 5600 V3 with 3 U enclosure?

Question50: Which of the following is not the advantage brought by global cache?

Question51: 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.

Question52: Which is the correct process for installing CommServe?

Question53: HyperSnap supports incremental synchronization.

Question54: If a customer requires both the RTO and RPO to be 0, which disaster recovery solution is most recommended?

Question55: Which are application scenarios of the InfoReplicator feature provided by Huawei OceanStor 9000? (Multiple Choice)

Question56: Which of the following are the enhanced features of InfoTurbo? (Multiple Choice)

Question57: An OceanStor 9000 must be equipped with a minimum of three nodes that can vary in types.

Question58: Select all that apply.
Which functions are provided by the ACC module? (Multiple Choice)

Question59: What technology is used in SmartDedupe of the OceanStor 5300 V3?

Question60: A colleague suggests purchasing a second storage system and then cloning LUN's between them to provide redundancy.
This is;

Question61: Which of the following are subsystems of OceanStor BCManager eReplication? (Multiple Choice)

Question62: Under which conditions can HypetClone be used? (Multiple Choice)

Question63: In an OceanStor 9000, if the protection level is set to 4+2, three mirrors of metadata will be generated.

Question64: What is Oplock used for in the CIFS sharing?

Question65: 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.

Question66: For which scenario Huawei Active/Passive Disaster Recovery Solution is not suitable?

Question67: What type of backup networking has the following features?
1. Occupies large network bandwidth;
2. Has restricted backup performance;
3. Adversely affects host applications.

Question68: In Huawei OceanStor 9000, a file pool is a collection of files that have specific characteristics. A file pool policy defines rules for storing a file pool in a node pool.

Question69: Which of the following statements is correct about the Huawei asynchronous remote replication for LUN?
1. HyperReplication/A of the OceanStor V3 storage systems adopt the multi-time-segment caching technology.
2. HyperReplication/A of the OceanStor V3 storage systems adopt the snapshot technology.

Question70: What are cloud storage's disadvantages when it serves as backup media?

Question71: In the HyperMetro active-active solution, it is recommended that UltraPath be installed on the host.

Question72: Which of the following about the WushanFS global cache technology employed by Huawei OceanStor 9000 is false?

Question73: Does the Active-Passive Synchronous Replication DR Solution meet the requirements of RPO and RTO = 0?

Question74: A NAS storage system supports file system sharing, and the underlying protocol transmits data based on iSCSI.

Question75: The OceanStor 9000 allows the clients using different protocols to access the same directory or file simultaneously. For example, Windows clients (using the CIFS protocol), Linux clients (using the NFS protocol), and Mac OS X clients (using the CIFS protocol or NFS protocol).

Question76: 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?

Question77: The following parameters are set for a user: The quota type is capacity quota, the quota type is forcible quota, the recommended threshold is 3 GB, the soft threshold is 4 GB, the hard threshold is 6 GB, and the grace period is 10 days.
Which of the following is false?

Question78: In an OceanStor 9000, InfoAllocator is used to allocate 1 GB of hard capacity quota for directory A and 2 GB of hard capacity quota for subdirectory B under directory A.
Which of the following statements are true? (Multiple Choice)

Question79: What requirements must be met when configuring SmartPartition? (Multiple Choice)

Question80: Which is the correct sequence of the 5-step disaster recovery solution design?

Question81: SmartQoS can: (Multiple Choice)

Question82: Which of the following statements is correct?
Statement 1: With one disk domain and one storage pool present, you can define two tiering policies.
Statement 2: RAID protection levels are assigned in a disk domain.

Question83: In a fully redundant SAN infrastructure there is no need to use multipathing software on hosts that run Linux-based operating systems.

Question84: Among the data replication technologies used for disaster recovery, host-layer data replication features good compatibility with servers and storage devices.

Question85: Neither online nor offline software version upgrade of Huawei OceanStor 9000 affects device management.

Question86: In RAID2.0+, chunks in one chunk group can come from SSD and SAS disks.

Question87: What scenarios can SmartVirtualization and SmartMigration be applied when they work together? (Multiple Choice)

Question88: Deduplication is categorized as: (Multiple Choice)

Question89: Which of the following is not a typical application scenario of cloud storage?

Question90: Is the Active-Active DR Solution feasible for the scenario where the existing third-party storage system and a newly purchased OceanStor 5300 V3 are deployed in the two data centers separately?

Question91: The Forecast Analysis will show a graph announcing when the systems runs out of disk capacity.

Question92: Which of the following statements about SmartQoS is true:
A) Lower-priority I/O can be rejected in favor of higher-priority I/O?
B) SmartQoS uses a queuing system for I/O requests?

Question93: For OceanStor V3 SmartMigration function: The capacity of the target LUN can be smaller than that of the source LUN, as long as the available capacity is sufficient.

Question94: Which of the following statements is correct about the Huawei DR Solution where Huawei remote replication is used and consistency groups are created?

Question95: Active-Active Solution is implemented based on HyperMetro.

Question96: Which of the following statements about the All-In-One Backup Solution are correct? (Multiple Choice)

Question97: An application Server cannot access a Snapshot volume.
This is because?

Question98: In the HyperMetro active-active data center solution, data centers A and B are deployed.
If the storage array in data center A fails, which of the following statemen& are true? (Multiple Choice)

Question99: Which are rules for configuring file system backup policies? (Multiple Choice)

Question100: Which of the following statements about InfoTier node pools in Huawei OceanStor 9000 are true? (Multiple Choice)

Question101: In a large backup domain, Simpana backup software ca n be used to set multiple CSs (CommServes) for load balancing to improve efficiency.

Question102: 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.

Question103: To maintain consistency among LUN data mirrors, we;

Question104: A customer purchases nine OceanStor 9000 storage nodes. During the deployment planning, the customer requires that data integrity be not affected if any three disks in a storage node are faulty, and the overall storage space utilization be not lower than 80%.
Which of the following is the most proper redundancy ratio?

Question105: Which of the following concepts are used in object storage service (compatible with Amazon S3 APIs)? (Multiple Choice)

Question106: For a storage pool you can change the hot spare policy in a later stage.

Question107: What is the heigth of the High Density disk enclosure?

Question108: Which of the following statements about LAN-free and Server-free backup networking is true?

Question109: Which is the automatic load balancing mode supported by the InfoEqualizer feature of Huawei OceanStor 9000 by default?

Question110: 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.

Question111: A colleague suggests using Hyper Clone to create a remote copy of a LUN to provide a remote office with the correct data.
This is?

Question112: Which module or device cannot be replaced by using the OceanStor 9000 FRU replacement tool?

Question113: Which of the following statements is incorrect about the scenario where one primary backup domain and multiple branch backup domains exist?

Question114: During the CommServe installation, if the CS resides in the same network segment as Agent, there is no need to configure the hosts file.

Question115: Which of the following statements about the InfoLocker feature of Huawei OceanStor 9000 is false?

Question116: Which quota types are supported by the InfoAllocator feature of Huawei OceanStor 9000? (Multiple Choice)

Question117: Which of the following statements about the intelligent load balancing feature of Huawei OceanStor 9000 is false?

Question118: Backup system components include backup management system, backup client, backup network, and backup media. Common backup network modes include SAN-free and NAS-free.

Question119: The Disaster Recovery Data Center Solution (Active-Active Mode) can be upgraded to the Disaster Recovery Data Center Solution (Geo-Redundant Mode), but needs extra devices.

Question120: Which of the following statements about the CIFS protocol are true? (Multiple Choice)

Question121: In OceanStor DFS, the MDS cluster arranges metadata of a file system in subtrees, and stores the subtrees on different nodes.

Question122: 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.

Question123: Which of the following statements about metadata on Huawei OceanStor 9000 is false?

Question124: A customer plans to deploy an active/passive disaster recovery solution. The distance between the active and passive sites is about 1000 km. It is required that the RPO be shorter than 1 minute.
In this case, asynchronous remote replication is recommended.

Question125: The real-time inspection tool in the OceanStor Toolkit can tell us;

Question126: Which of the following technologies are used in the Huawei HyperVault DR Solution? (Multiple Choice)

Question127: Administrators can use DeviceManager to quickly complete the initial configuration of an OceanStor 9000, including: (Multiple Choice)

Question128: Which of the following statements about Huawei OceanStor 9000 is false?

Question129: Huawei's end-to-end active-active data center solution is divided six layers, including:

Question130: Which backup mode is not supported by VADP?

Question131: For tiering to work, the disk domain must;

Question132: 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?

Question133: In the Huawei DR Solution, at which layers can be replication performed? (Multiple Choice)

Question134: Huawei OceanStor 9000 storage system consists of multiple subsystems.
Which subsystem is used for file storage?

Question135: In an OceanStor V3 populated with a number of SSDs, which of the following statements about SmartCache is/are true? (Multiple Choice)

Question136: In the Huawei Active-Active DC Solution, SQL Server can provide services concurrently at both sites.

Question137: Which are characteristics of the NFS service provided by Huawei OceanStor 9000? (Multiple Choice)

Question138: Which of the following statements about switches used with Huawei OceanStor 9000 is true?

Question139: S5752 or S5352 switches support AC power modules only.

Question140: What is the process for interconnecting Cloudera Hadoop with the OceanStor 9000?
1. Prepare data.
2. Verify interconnection status.
3. Install HDFS Plugin on Cloudera Hadoop nodes and clients.
4. Migrate service data to the OceanStor 9000.
5. Configure NFS file sharing.

Question141: What are reasons that capacity will probably rise in the next few years?

Question142: In the Huawei Active-Active DR Solution, in which scenario must optical fibers be used for connection?

Question143: 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?

Question144: A node of an OceanStor 9000 goes offline due to a power module failure and gets online again two days later. If the administrator does not manually restore data, the system automatically updates the data changes made during the offline period to the node.

Question145: If an application is not included in the Huawei interoperability matrix, export the application data as a file and back up the file.

Question146: Which of the following can be configured in the backup management system? (Multiple Choice)

Question147: What are the advantages of parallel deduplication? (Multiple Choice)

Question148: Huawei 3DC DR management network consists of the DR management network and production management network. The two networks must be separately deployed.

Question149: 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)

Question150: In a remote replication, the size of the secondary LUN on the disaster recovery storage system is larger than or equal to that of the primary LUN on the production storage system.

Question151: All EXP port of OceanStor enterprise storage systems must connect to PRI ports.

Question152: SmartCache can support both SAN and NAS services.

Question153: Physical tape libraries have the following disadvantages: The mechanical failure rate is relatively high, and tapes are vulnerable to the adverse impact of the environment (temperature, humidity, and dusts).

Question154: Which data protection levels can be configured for an OceanStor 9000 that consists of 10 nodes? (Multiple Choice)

Question155: Which of the following iSCSI connection modes is the most expensive but provides the best performance?

Question156: Through project management, role management, and user management, FusionStorage file sharing authentication grants users permissions to access and use storage resources.

Question157: The InfoReplicator feature of Huawei OceanStor 9000 supports both synchronous and asynchronous remote replications.

Question158: SmartDedupe of the OceanStor 5300 V3 is supported only by the thin file system.

Question159: 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.

Question160: Which of the following is not the OceanStor 9000's characteristics?

Question161: What operating systems are supported by OceanStor BCManager eReplication? (Multiple Choice)

Question162: Offline software version upgrade of Huawei OceanStor 9000 interrupts services. The service downtime varies depending on the upgrade duration.

Question163: What functions do not accounts have?

Question164: Which file sharing interface is not provided by Huawei OceanStor 9000?

Question165: A NAS storage system is dedicated to storing and managing which data type?

Question166: Which of the following statements about the OceanStor Backup Solution are correct? (Multiple Choice)

Question167: 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:

Question168: 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)

Question169: A Cache partition and the LUN must always belong to?