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HCIA-Storage V4.5 Question and Answers

HCIA-Storage V4.5

Last Update Mar 29, 2024
Total Questions : 536

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Questions 1

Create a Thin LUN on HUAWEI OceanStor with a capacity of 100G and an initial allocated capacity of 10G, then

After mapping this LUN to the Windows 2012 host, the corresponding disk scanned on the host, the disk shows

The capacity should be 10G.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Questions 2

The storage system compresses data based on the user-defined compression policy. Which compression policies are supported by Huawei storage systems? (Select All that Apply)

Options:

A.  

Inline compression before data is written to disks

B.  

Inline compression and data read when the system is idle

C.  

Post-process compression, where data is first written to disks and then read and compressed when the system is idle

D.  

Inline compression after data is written to disks

Discussion 0
Questions 3

The following are the characteristics of the clustered NAS storage architecture: (multiple choice)

Options:

A.  

Unified namespace, shared globally

B.  

High performance, multiple arrays concurrent I/O

C.  

Online expansion

D.  

can provide block-level storage

Discussion 0
Questions 4

Fibre Channel is a dedicated protocol used in enterprise-level SAN networks for communication between hosts and storage devices or between storage devices. It features high transmission efficiency, long transmission distance, and high security and reliability.

Options:

A.  

False

B.  

True

Discussion 0
Questions 5

Which of the following statements correctly describe the improvements of SAS technology compared to SCSI? Select All that Apply.

Options:

A.  

Lower cost than SCSI

B.  

Full duplex transmission of data.

C.  

Half duplex transmission of data

D.  

Higher throughput.

Discussion 0
Questions 6

Deduplication and compression can only be enabled for Thin LUNs.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Questions 7

What are the main functions of the business continuity solution? (Select All that Apply)

Options:

A.  

Minimize the impact on the business service.

B.  

Predict the disaster occurrence accurately.

C.  

Zero data loss and zero service interruption.

D.  

Improve the utilization rate of the disaster recovery equipment

Discussion 0
Questions 8

Which is the correct order for evolution of mid-range storage architectures?

1) Fixed storage system configuration

2) Dual-controller active-active redundancy configuration

3) Flexible hardware component configuration

4) Flexible software function configuration

Options:

A.  

4321

B.  

1342

C.  

2143

D.  

1234

Discussion 0
Questions 9

Suppose, for cost control reasons, a startup company can acquire only one storage device to provide services. However, its services require high hardware reliability, so an engineer recommended a Huawei OceanStor all-flash storage system. Which statements describe the high reliability of the storage system? (Select All that Apply)

Options:

A.  

It supports clusters consisting of multiple controller enclosures to improve the availability of the storage system

B.  

Interconnect I/O modules shorten failover time when a controller fails to provide better reliability, as compared with common I/O modules.

C.  

Standard I/O modules shorten failover time when a controller fails to provide better reliability, as compared with interconnect I/O modules.

D.  

When a controller fails, l/Os of the faulty controller are redirected to another controller The host is unaware of the fault and services remain running properly.

Discussion 0
Questions 10

Which of the following RAID levels has the lowest hard disk space utilization?

Options:

A.  

RAID 0

B.  

RAID 1

C.  

RAID 3

D.  

RAID 5

Discussion 0
Questions 11

Huawei OceanStor hybrid flash storage is used as an example. Which statements are true about IP address failover? (Select All that Apply)

Options:

A.  

IP address failover applies only to IP SAN and does not apply to other storage network architectures

B.  

A failover group is a combination of ports that are used for IP address failover in a storage system.

C.  

Fallback means that the faulty port takes over services again after it recovers

D.  

IP address failover ensures service continuity and improves the reliability of paths for accessing file systems

Discussion 0
Questions 12

Which of the following is not an IP SAN component?

Options:

A.  

Storage device with iSCSI interface

B.  

twisted pair

C.  

NIC

D.  

FC switch

Discussion 0
Questions 13

If a disk domain has multiple disk types, the storage pools in that disk domain MUST have multiple disk types in them.

Options:

A.  

False

B.  

True

Discussion 0
Questions 14

Which statements are true about the SAN network? (Select All that Apply)

Options:

A.  

The FC SAN must be configured with dedicated iSCSI HBAs for servers

B.  

The IP SAN can use the existing IP network.

C.  

The IP SAN supports the iSCSI protocol.

D.  

The FC HBA used by the FC SAN can convert SCSI packets into FC packets.

Discussion 0
Questions 15

An enterprise needs to purchase backup media for data backup. To inherit the enterprise’s original tape backup architecture and strategy, it is necessary to mention

High backup speed. What kind of backup media did this enterprise purchase?

Options:

A.  

Disk array

B.  

Virtual tape library

C.  

tape library

D.  

CD Tower

Discussion 0
Questions 16

Which statements are true about a dual-controller storage system? (Select All that Apply)

Options:

A.  

There are two working modes: active-standby and active-active.

B.  

In active-standby mode, if one controller is faulty, services are not affected

C.  

When one controller is faulty, the service failover in active-active mode is more efficient than that in active-stand by mode

D.  

In active-standby mode, only one controller works at a time.

Discussion 0
Questions 17

The following two descriptions are correct:

Description 1: Synchronous remote replication, when the primary storage fails, the amount of data lost can be 0.

Description 2: When the host is a Linux-based file system, asynchronous remote replication must be used.

Options:

A.  

description 1 and description 2 are correct

B.  

Description 1 pair, description 2 wrong

C.  

Description 1 wrong, description 2 pairs

D.  

description 1 and description 2 are wrong

Discussion 0
Questions 18

For the data stored on the medium, there is no need to physically crush or sell it as the data recorded on the paper

Ruined situation.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Questions 19

The following describes RAID 10, which are correct? (Multiple choice)

Options:

A.  

RAID 10 is used in scenarios with high requirements for speed and fault tolerance

B.  

RAID 10 requires at least 4 member disks

C.  

In RAID 10, if two member disks in a subgroup fail, the data is read normally

D.  

In RAID 10, the data is first mirrored and then striped

Discussion 0
Questions 20

Which statements are true about distributed storage? (Select All that Apply)

Options:

A.  

Supports large-scale horizontal expansion

B.  

Does not support elastic EC for data redundancy protection.

C.  

Supports expansion by addition of nodes to increase both computing capability and storage space

D.  

Supports storage resource pooling and virtualization.

Discussion 0
Questions 21

Description 1: FC protocol and FCoE protocol have different operating environments, different operating channels, and the same protocol stack.

Description 2: FCoE can only run on 10GE, which solves the problems of short FC transmission distance and packet loss in IP networks.

Options:

A.  

Description 1 is correct, description 2 is correct

B.  

Description 1 is correct, description 2 is incorrect

C.  

Description 1 is wrong, description 2 is correct

D.  

Description 1 error, description 2 error

Discussion 0
Questions 22

When a company's customers need to complete data migration between devices, what features can be used to complete? (Multiple choices)

Options:

A.  

Remote replication

B.  

LUN copy

C.  

SmartMigration

D.  

clone

Discussion 0
Questions 23

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)

Options:

A.  

The data in the copy space before COW is 9:00 LUN A

B.  

The data in the copy space before COW is 10:00 LUN A data

C.  

The data of the source LUN is the modified data at 10:00

D.  

After the snapshot is rolled back, the data of the source LUN becomes the data of the modified snapshot LUN at 10:00

Discussion 0
Questions 24

What are the current challenges of disaster recovery? (Multiple choice)

Options:

A.  

Disaster recovery construction requires expensive investment

B.  

Various applications and inconvenient management

C.  

The cloudization trend of IT systems is becoming more and more obvious, and many virtual machines also need to provide protection. The current disaster recovery construction is lacking

Lack of unified management system

D.  

Data sharing and other capabilities are limited by the physical location of the data, and applications and data cannot be separated, and agile applications and

Better disaster tolerance

Discussion 0
Questions 25

In the LAN-Base networking, both the service flow and the data flow take the LAN network, and occupy a large bandwidth.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Questions 26

CKG is composed of multiple CKs on different hard disks of different types in the hard disk domain.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Questions 27

Which of the following is not a backup type?

Options:

A.  

Full backup

B.  

Cumulative incremental backup

C.  

Differential incremental backup

D.  

real-time backup

Discussion 0
Questions 28

The following are the advantages of SSD hard drives compared with mechanical hard drives. The description is correct: (multiple choices)

Options:

A.  

No high-speed rotating parts, high performance

B.  

Support TCQ/NCQ, corresponding to multiple IO requests

C.  

SSD disk at a time is more suitable for use in scenarios that require large storage capacity

D.  

SSD can be used in some harsh environments, such as high temperature and humidity, strong earthquakes and other harsh environments.

Discussion 0
Questions 29

According to the changes in the amount of backup data, the types of backup can be divided into:

Options:

A.  

Real-time backup

B.  

full backup

C.  

incremental backup

D.  

differential backup

Discussion 0
Questions 30

Regarding the steps of SAN synchronous replication, what is the correct order?

(1) The production storage receives the host write request. HyperReplication logs the request. Only the place is recorded in the log

Address information, without recording data content.

(2) HyperReplication waits for both the primary LUN and secondary LUN write processing results to be returned. If both are written successfully, clear

Log; otherwise keep the log, enter the abnormal disconnection state, and then copy the corresponding number of the log address again when starting synchronization

According to the block.

(3) Write the request to the master LUN and slave LUN. Normally, the LUN is in the write-back state, and the data will be written

Cache.

(4) Return the processing result of the host write request, which is subject to the processing result of the write master LUN.

Options:

A.  

(1) (3) (2) (4)

B.  

(1) (2) (3) (4)

C.  

(2) (1) (3) (4)

D.  

(4) (2) (3) (1)

Discussion 0
Questions 31

In a RAID5 composed of three disks, if 10110110 and 11010011 are written simultaneously,

Two data disks with the same stripe, then 01100101 will be written to the verification disk.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Questions 32

Description 1: There is an interconnection line between the controllers of the storage system. If the controller is broken, it belongs to it.

The working controller of the managed LUN will be switched to a working controller.

Description 2: The working controller and home controller of a LUN must be unified into one controller.

Options:

A.  

Description 1 is correct, description 2 is correct

B.  

Description 1 is wrong, description 2 is correct

C.  

Description 1 error, description 2 error

D.  

Description 1 is correct, description 2 is incorrect

Discussion 0
Questions 33

FCoE is a transmission protocol standard that encapsulates frames in FC in lossless Ethernet and is used to form storage networks

Network.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Questions 34

Which of the following descriptions of refactoring is incorrect?

A, RAID 0,1,3,5,6 and 10 support reconstruction

B. Reconfiguration does not necessarily require hot spare disks

C, reconstruction has an impact on RAID performance

D. Reconstruction will not interrupt RAID business

Options:

Discussion 0
Questions 35

In the HUAWEI OceanStor storage system, one LUN can create multiple snapshots, but only one snapshot

Can be activated.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Questions 36

In the HUAWEI OceanStor storage system, which of the following descriptions about mapping snapshot LUNs is correct?

Options:

A.  

The snapshot LUN mapped to the host can only be read, not written

B.  

The activated snapshot LUN can be mapped to the host for reading and writing

C.  

The snapshot LUN can only be mapped to the same host as the original LUN

D.  

The description of all options is correct

Discussion 0
Questions 37

Two CKs in a CKG of RAID2.0+ can come from the same hard disk.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Questions 38

An enterprise adopts cloud-level primary and backup data-level disaster tolerance. During business planning, two types of storage can be divided according to actual needs.

LUN: Protected LUN and unprotected LUN, create VMs that need disaster recovery on the protected LUN, and configure only the protected LUN

Set up array replication to save the storage space requirements of the disaster recovery center.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Questions 39

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

Options:

A.  

Description 1 is correct, description 2 is correct

B.  

Description 1 is correct, description 2 is incorrect

C.  

Description 1 is wrong, description 2 is correct

D.  

Description 1 error, description 2 error

Discussion 0
Questions 40

LAN Free and Server Free are backup networking methods that have little impact on host performance.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Questions 41

Which of the following are deployment modes of cloud computing? (Multiple Choice)

Options:

A.  

Public cloud

B.  

Private cloud

C.  

Hybrid cloud

D.  

E-Government cloud

Discussion 0
Questions 42

Which of the following is correct? (Multiple Choice)

Options:

A.  

Only when a snapshot is activated will the system record all changes to the original LUN.

B.  

A snapshot needs to be removed from the LUN group to be fully unmapped.

C.  

SmartTier supports a High Performance, a Performance, a High Capacity and a Capacity Tier.

D.  

To write data to the secondary LUN of a clone pair, the pair must be split.

Discussion 0
Questions 43

The following description about Huawei RAID2.0+ technology is correct: (multiple choices)

Options:

A.  

The hard disk type of each storage layer in the hard disk domain is the same

B.  

The hard disk space is divided into fixed-size blocks

C.  

Users can set "RAID policy" for each storage layer in the storage pool

D.  

grain as the minimum granularity of data migration and the basic unit that constitutes Thin LUN

Discussion 0
Questions 44

Which of the following operations is a daily maintenance item in data center storage?

Options:

A.  

View and handle alarms

B.  

Inspection storage equipment

C.  

Check the computer room environment

D.  

Check the internal environment of the rack

Discussion 0
Questions 45

Which of the following is NOT a benefit of cloud datacenters?

Options:

A.  

Mainframe servers improve performance.

B.  

Virtualization technology improves resource utilization.

C.  

Distributed computing and storage improve reliability.

D.  

Unified resource management improves efficiency.

Discussion 0
Questions 46

The failure of an SSD is more predictable than that of other disk technologies.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Questions 47

In which layer in the architecture of a typical Big Data processing system does the data mining and business intelligence process are performed?

Options:

A.  

Application/Presentation Layer.

B.  

Data Processing Layer

C.  

Data Analysis Layer.

D.  

Data Storage Layer.

Discussion 0
Questions 48

Which of the following statements about LAN-based backup is incorrect?

Options:

A.  

Instruction flows are transmitted over the LAN whereas data flows are not.

B.  

The backup agent affects the performance of application servers.

C.  

Backup data is based on LANs, affecting network performance.

D.  

Backup jobs must be separately maintained, complicating management and maintenance.

Discussion 0
Questions 49

Which of the following statements about RAID 10 are correct?

(Multiple Choice)

Options:

A.  

RAID 10 applies to scenarios with demanding requirements for speed and fault tolerance.

B.  

RAID 10 requires at least four member disks.

C.  

In RAID 10, if two member disks in the RAID 1 group fail, data read proceeds normally.

D.  

Data is mirrored and then striped in RAID 10.

Discussion 0
Questions 50

Which of the following are existing Solid State Disk types?

(Multiple Choice)

Options:

A.  

DLC

B.  

eMLC

C.  

TLC

D.  

SLC

Discussion 0
Questions 51

What is the main purpose of backup battery units (BBU) in storage controllers?

Options:

A.  

To maintain the power for clock synchronization.

B.  

To power the interface modules.

C.  

To provide additional power to storage controller to speed up the I/O.

D.  

To ensure that the non completed I/O is not lost during power outage.

Discussion 0
Questions 52

What is included in every backup job?

(Multiple Choice)

Options:

A.  

Cost of Downtime.

B.  

Retention period.

C.  

Application that uses the data.

D.  

Backup type (full, incremental, differential).

Discussion 0
Questions 53

Statement 1: Multipathing is caused by adding redundant hardware.

Statement 2: Huawei offers a different version of Ultra Path for different operating systems.

Options:

A.  

Statements 1 and 2 are both true.

B.  

Statement 1 is true and statement 2 is false.

C.  

Statement 1 is false and statement 2 is true.

D.  

Both statements 1 and 2 are false.

Discussion 0
Questions 54

A device can have one WWPN but multiple WWNN's.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Questions 55

Statement 1: Everytime a tape is used to restore data/ some data will be lost.

Statement 2: Backup strategies that use tape as backup media typically have a high RTO.

Options:

A.  

Statement 1 and 2 are true

B.  

Statement 1 is true; Statement 2 is false.

C.  

Statement 1 is false; Statement 2 is true.

D.  

Statement 1 and 2 are false.

Discussion 0
Questions 56

Statement 1: RAID 2.0+ is NOT based on traditional RAID technologies.

Statement 2: RAID 2.0+ has excellent rebuild characteristics.

Options:

A.  

Statement 1 is false and statement 2 is true.

B.  

Statement 1 is true and statement 2 is false.

C.  

Statements 1 and 2 are both true.

D.  

Both statements 1 and 2 are false.

Discussion 0
Questions 57

What is the purpose of context for data?

Options:

A.  

Context gives meaning to the data collected. Without context the data is meaningless.

B.  

Context gives comparison between data and information.

C.  

Context is only found in data and not in information.

D.  

Context is optional when collecting and analyzing data.

Discussion 0
Questions 58

Which of the following are attached to the storage system serially? (Multiple Choice)

Options:

A.  

ATA Drive.

B.  

SAS Drive.

C.  

NL-SAS Drive.

D.  

IDE Drive.

Discussion 0
Questions 59

For random access to mechanical disks, the most significant impact on the time it takes to complete an IO is:

Options:

A.  

Seeking time

B.  

Rotation delay

C.  

Data transfer time

Discussion 0
Questions 60

SAN is a storage architecture that connects storage device and application servers through network.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Questions 61

Backup is concerned with data recoverability, and disaster recovery is concerned with business continuity.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Questions 62

What are the challenges facing traditional data centers? (Multiple choice)

Options:

A.  

Traditional data centers only monitor but not manage

B.  

Capacity expansion of traditional data centers in units of nodes

C.  

Traditional data center has low cooling efficiency

D.  

Traditional data center maintenance costs are high

Discussion 0
Questions 63

Regarding HUAWEI OceanStor storage dynamic tiered storage technology, which of the following descriptions is incorrect?

Options:

A.  

SmartTier calculates and analyzes the activity of data to determine the activity level of the data

B.  

SmartTier automatically and dynamically moves data to different performance storage media according to different activity levels of the data on

C.  

SmartTier data movement configuration-based data migration strategy

D.  

Data statistics, analysis and data migration of SmartTier features will affect business continuity and data availability

Discussion 0
Questions 64

The steps of asynchronous remote replication multi-point technology, is the following statement correct?

(1) A new time slice (T2, P2) is generated in the cache of the master LUN and the slave LUN at the start of each replication cycle

(2) The newly written data of the host is cached in the time slice T2 of the main LUN Cache, responding to the completion of the host

(3) The master and slave LUNs each release the received data

(4) Copy the data of time slice T1 directly to the slave LUN and write it to the time slice P2 of the slave LUN

Options:

A.  

(1) (2) (3) (4)

B.  

(1) (3) (2) (4)

C.  

(1) (2) (4) (3)

D.  

(2) (1) (4) (3)

Discussion 0
Questions 65

The SATA connector can support both SATA and SAS hard drives.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Questions 66

What is the correct description of the advantages of Huawei RAID 2.0+?

Options:

A.  

The data is automatically and evenly distributed on the hard disks in the storage pool to avoid uneven heating and cooling of the hard disk, thereby reducing the storage system

Overall failure rate

B.  

Overcome the performance bottleneck of the traditional RAID reconstruction target disk (hot spare disk), making the reconstruction bandwidth write bandwidth no longer

It becomes the bottleneck of the reconstruction speed, which greatly improves the reconstruction speed, reduces the probability of double-disk failure, and improves the storage system.

Reliability.

C.  

There is no write penalty in RAID2.0+, which overcomes the write penalty in RAID 5 and RAID 6 levels in traditional RAID technology

The impact of the penalty on the write performance of the LUN has greatly improved the performance of the LUN

D.  

The data on a single LUN is distributed to many different hard disks, avoiding hard disk hot spots, making single LUN performance and

The capacity has been greatly improved

Discussion 0
Questions 67

Regarding the advantages of DAS, the following description is correct: (multiple choice)

Options:

A.  

Deployment is simple

B.  

Large initial investment

C.  

Small network complexity

D.  

The configuration is more complicated

Discussion 0
Questions 68

The following description is correct: (multiple choice)

Options:

A.  

OceanStor V3 series products support 8 controllers, and the switching plane between the controllers is IP-based Scale-out interconnection

B.  

When the control frame of OCeanStor 5300 V3 is expanded from 2 to 4 controls, it can be directly connected or

Networking with switches

C.  

In the OceanStor V3 series of new-generation storage products, the back-end loops of the same SAS interface card can be mixed and connected

Ordinary disk enclosure and high-density disk enclosure

D.  

OceanStor V3 mid-range storage arrays use IP switches for interconnection, which has cost advantages. PCIe switches are dedicated

Switching, the cost is relatively high, mainly used in high-end storage

Discussion 0
Questions 69

A company is mainly used for file system sharing in Linux, UNIX, Mac OS and VMware operating system environments.

Which of the following file access protocols is suitable for this company?

Options:

A.  

NFS

B.  

CIFS

C.  

Telnet

D.  

HTTP

Discussion 0
Questions 70

Is the following statement correct?

Options:

A.  

After using RAID 5 with 6 200G hard drives, the available space is 1200G

B.  

NL SAS/SATA hard disks are suitable for data protection using RAID 6, and SAS hard disks are suitable for data protection using RAID 5.

According to protection

C, S2200 V3 can support SSD, SAS, SATA hard drives

C.  

OceanStor V3 series products support RAID 0/RAID 1/RAID 5/RAID 10, but not RAID 6

Discussion 0
Questions 71

What are the application scenarios of the SAN solution? (Multiple choice)

Options:

A.  

Data sharing

B.  

Storage sharing

C.  

Data backup

D.  

Disaster recovery

Discussion 0
Questions 72

The difference between DAS and SAN, which of the following descriptions is wrong?

Options:

A.  

SAN redundant networking provides higher reliability

B, DAS and SAN are all external storage, so storage resource sharing can be easily achieved

C, DAS is suitable for small and medium-sized LAN environment with only a few servers

B.  

SAN is suitable for high-end storage application environments, such as key databases, centralized storage, large-scale storage, backup and

Disaster recovery and other scenarios

Discussion 0
Questions 73

With the advent of the era of big data, the corresponding storage technology is also undergoing changes.

Is the following statement correct? (Multiple choice)

Options:

A.  

The file system develops from a local file system to a cluster file system and a distributed file system

B.  

Traditional NAS, facing PB-level data, complex volume management and unbalanced system capacity allocation, will result in waste of resources

C.  

The mass storage system is characterized by a more complicated file system and more complicated management

D.  

Having large-scale expansion capability is the characteristic of mass storage system

Discussion 0
Questions 74

In the Huawei storage system, which of the following is true about the characteristics of virtual snapshot LUNs?

Options:

A.  

The storage system can generate a snapshot in seconds

B.  

The snapshot LUN cannot be mapped to the host

C.  

Complete data copying is unnecessary

D.  

data use mapping table lookup

Discussion 0
Questions 75

iSCSI encapsulates the SCSI command and data description block into the iSCSI protocol.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Questions 76

In Huawei RAID 2.0+, is the description about chunck and extent correct?

Options:

A.  

chunck is the smallest unit for LUN to apply for space from the storage pool and free up space

B.  

The extent is the smallest unit for the storage pool to allocate resources from the hard disk domain

C.  

chunck is the smallest unit of hot data statistics and migration (data migration granularity)

D.  

The extent size of different storage pools can be different, but the extent size in the same storage pool is uniform

Discussion 0
Questions 77

In RAID 2.0+, the administrator needs to manually set which hard drives are designated as hot spares.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Questions 78

Bank's bill imaging system often stores structured data on a SAN array, and unstructured data

On the NAS array.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Questions 79

The QoS of the file system supports IO priority configuration and policy configuration.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Questions 80

What value does thin provisioning technology bring to customers? (Multiple choice)

Options:

A.  

Improve storage resource utilization

B.  

Reduce the storage space occupied by data

C.  

Reduce the initial purchase cost

D.  

Reduce the overall TCO of the storage system

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