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Huawei H13-611_V4.5 Dumps

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Total 536 questions

HCIA-Storage V4.5 Questions and Answers

Question 1

A reliable ICT infrastructure, to avoid a single point of equipment failure, or even a single point of personnel problems.

Options:

A.

TRUE

B.

FALSE

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Question 2

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.

Options:

A.

Descriptions 1 and 2 are both correct

B.

Description 1 is right, description 2 is wrong

C, description 1 is wrong, description 2 is right

C.

Descriptions 1 and 2 are wrong

Question 3

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.

Question 4

The multipath load balancing strategy used by HUAWEI OceanStor storage products is the default?

Options:

A.

Polling

B.

Minimum queue depth

C.

the minimum task

D.

Minimum IO number

Question 5

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

Question 6

The OceanStor 6800 V3 frame itself can be configured with four controllers or only two controllers. If configured as dual control

The power supply and BBU are fully configured, and the interface cards and controllers are all arranged in the upper row.

Options:

A.

TRUE

B.

FALSE

Question 7

From the perspective of the cloud computing business model, Huawei network disks belong to PaaS.

Options:

A.

TRUE

B.

FALSE

Question 8

When the Windows copy program copies local files to the file system, the file system block size of the HUAWEI OceanStor storage system is the default, which ensures the full use of storage space.

A, right B, wrong answer: B

The SmartCache feature in HUAWEI OceanStor series products can only improve read performance, not write performance.

Options:

A.

right

B.

FALSE

Question 9

The SmartTier intelligent data grading feature requires three types of hard drives in the storage pool.

Options:

A.

TRUE

B.

FALSE

Question 10

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

Question 11

FC relies on a dedicated FC network and can easily form storage islands.

Options:

A.

TRUE

B.

FALSE

Question 12

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?

Options:

A.

LAN-Base

B.

LAN-Free

C.

Server-Free

D.

NDMP

Question 13

Host-level disaster recovery has less investment and better compatibility.

Options:

A.

TRUE

B.

FALSE

Question 14

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

Question 15

Extent of RAID2.0+ technology is the basic unit of which technology in the storage pool? (Multiple choice)

Options:

A.

Application space

B.

Free up space

C.

Statistics

D.

Data migration

Question 16

The NAS device performs functions such as file service, storage, retrieval, and file access on the basis of a general-purpose server

optimization.

Options:

A.

TRUE

B.

FALSE

Question 17

Among the components of the mechanical disk, the parts responsible for reading and writing data are:

Options:

A.

Disc

B.

Read/write head

C.

Magnetic head arm

D.

Spindle

Question 18

What is the synchronization cycle time limit for asynchronous remote replication?

Options:

A.

1s~144min

B.

3s~144min

C.

1s~300min

D.

3s~300min

Question 19

Is the following description about Quota tree correct?

A, Quota tree is a first-level directory under the file system

B. Only administrators can create, delete, rename, etc. through the command line or GUI management interface.

Users can delete the empty Quota tree

C, Quota tree can be renamed and deleted when sharing through agreement

D. Ordinary users can perform quota management on the number or capacity of files under Quota Tree

Options:

Question 20

The following description about the characteristics of the LAN-BASED backup method is incorrect:

Options:

A.

The instruction flow passes through the LAN network, the data flow does not pass through the LAN network

B.

The backup proxy will affect the performance of the application server

C.

Backup data is based on LAN, which affects network performance

D.

The backup business needs to be maintained separately, increasing the difficulty of management and maintenance

Question 21

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.

Options:

A.

Statement 1 is true; Statement 2 is false.

B.

Statement 1 and 2 are false.

C.

Statement 1 is false; Statement 2 is true.

D.

Statement I and 2 are true.

Question 22

Statement 1; NAS systems must be interconnected using fiber optic cables. Statement 2: A network protocol is the way in which an operating system accesses a file that is on a network connected device.

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.

Question 23

Which of the following statements are true for a NAS solution?

(Multiple Choice)

Options:

A.

Cable length is around 10 m.

B.

Block size is configurable.

C.

CIFS and NFS are both commonly used protocols.

D.

NAS clients are connected to the NAS server using Ethernet switches.

Question 24

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.

Options:

A.

TRU

B.

FALSE

Question 25

Which of the following would best describe a virus?

Options:

A.

When an employee goes against the company's ICY code of practice e.g. leaving workstation logged on.

B.

A piece of malicious code that is written by programmers and is used to corrupt data and systems.

C.

When individuals or organizations break the law through using computers illegally access a computer system.

D.

Misuse of information provided by ICT systems for personal or malicious intentions.

Question 26

About HUAWEI OceanStor, the following 2 statements:

Statement 1: With the SmartTier feature the SSD disks are in the Performance Tier.

Statement 2: No more than 3 tiers can exist in the OceanStor V3 storage arrays.

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.

Question 27

What does the term RPO mean?

Options:

A.

Return Purchase Order

B.

Recover Plan Objective

C.

Restore Point Objective

D.

Recovery Point Objective

Question 28

Which of the following statements about storage file systems is incorrect?

Options:

A.

NAS file systems include CIFS and NFS.

B.

NAS file systems allow multiple servers running different operating systems to share files stored on public storage media.

C.

CIFS provides a way for NAS storage devices to share files in the UNIX environment.

D.

NFS provides a way for NAS storage devices to share files in the Linux environment.

Question 29

Statement 1: Synchronous replication is often possible over distances of more than100k

Statement 2: Asynchronous replication must be used when the host has a file system that is Linux based.

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.

Question 30

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 A.

Options:

A.

TRUE

B.

FALSE

Question 31

A differential backup holds all changes that were made since the last successful full backup.

Options:

A.

TRUE

B.

FALSE

Question 32

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.

Question 33

Incremental backup requires the last full backup and each incremental backup to fully restore data. Data reconstruction is therefore slower compared with full backups.

Options:

A.

TRUE

B.

FALSE

Question 34

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

Options:

A.

TRUE

B.

FALSE

Question 35

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

Question 36

Huawei OceanStor series storage system hardware includes controller enclosures and disk enclosures. Which of the following statements about controller enclosures are correct?

Options:

A.

When the external power supply fails, BBU modules provide backup power for all disks.

B.

If BBUs become faulty, the service system will be interrupted.

C.

When the external power supply fails, BBUs can supply power to enable data synchronization from the cache to disks in disk enclosures

D.

When the power input is normal, BBUs are in the standby state.

Question 37

Most of the data generated by the Internet industry is structured data, which accounts for about 80% of the total data.

Options:

A.

TRUE

B.

FALSE

Question 38

Match the RAID level with the characteristics. (1) RAID 0 (2) RAID 5 (3) RAID 10 (4) RAID 6 (a) Cost effective (b) Allows double disk failure (c) Highest performance (d) No data protection

Options:

A.

1-a; 2-d; 3-b; 4-c

B.

1-d; 2-a; 3-c; 4-b

C.

1-d; 2-a; 3-b; 4-c

D.

1-a; 2-b; 3-c; 4-d

Question 39

Which of the following statements about the coffer disks of the HUAWEI V3 series storage systems are correct?

(Multiple Choice)

Options:

A.

Coffer disks store cache data to prevent data loss after a power failure.

B.

BBUs supply power to cache and coffer disks in the event of unexpected power failure.

C.

Coffer disks cannot be used to save service data.

D.

The first 2 disks in a controller enclosure are coffer disks.

Question 40

It is an electronic device controlled by a motor that moves the hard drive head arm. Which of the following component fits the above description?

Options:

A.

Actuator.

B.

Spindle,

C.

Platter.

D.

Motor.

Question 41

In a Linux system, if the representation of a SCSI target is: 2:1:0:3, the following description is correct: (this question For multiple choice questions)

Options:

A.

The device LUN ID is 3

B.

The bus ID is 0

C.

The target ID is 3

D.

LUN ID is 0

Question 42

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

Options:

A.

TRUE

B.

FALSE

Question 43

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

Question 44

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

Options:

A.

Data sharing

B.

Storage sharing

C.

Data backup

D.

Disaster recovery

Question 45

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

Question 46

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.

Options:

A.

TRUE

B.

FALSE

Question 47

The SCSI protocol is the basic protocol for host and disk communication. It is operated by the SCSI controller, the controller is equivalent

For a small CPU, it has its own command set and cache.

Options:

A.

TRUE

B.

FALSE

Question 48

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

Question 49

Snapshots used for backup purposes should be set to read-only to prevent modification by other applications and affect the backup data

consistency.

Options:

A.

TRUE

B.

FALSE

Question 50

In Huawei OceanStor storage devices, coffer disks are an optional configuration because the write cache has mirrors, and

There is a backup power supply for the controller.

Cisco, Huawei, Oracle, Microsoft, Red Hat, National Soft Test and other certification exam services QQ 89246365

Taobao transaction test payment

Options:

A.

TRUE

B.

FALSE

Question 51

Distributed object storage has a unified namespace, and supports online expansion.

Options:

A.

TRUE

B.

FALSE

Question 52

Which of the following is the advantage of object storage? (Multiple choice)

Options:

A.

Object interface, flexible data segmentation

B.

External SCSI or file interface

C.

Flat objects, easy to access and expand

D.

Improve data integrity and security

Question 53

The initial capacity allocation strategy of HUAWEI OceanStor storage system defaults to automatic allocation.

Options:

A.

TRUE

B.

FALSE

Question 54

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

Question 55

What is the role of multi-path software? (Multiple choice)

Options:

A.

Fault path switching

B.

Load balancing of IO traffic

C, fault path recovery

C.

Data recovery

Question 56

The following different types of SSD disks have the lowest unit capacity price:

A, SLC

B, eMLC

C, cMLC

D, TLC

Options:

Question 57

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.

Options:

A.

TRUE

B.

FALSE

Question 58

The number of erasable times of the storage medium cell of the SSD disk is limited. Multiple erasing causes the wear of the SSD, which also makes the SSD

Has a limited period of use, which is related to the number of specific erasures.

A, yes

B, wrong

Options:

Question 59

According to the physical location of the NAS engine and storage device, the NAS is divided into: (multiple choices)

Options:

A.

Internal NAS

B.

External NAS

C.

Unified NAS

D.

Gateway NAS

Question 60

Description 1: The data recovery of the snapshot depends on the source data. If the source data is physically damaged, it cannot be recovered. and

In this case, the clone can still restore the source data.

Description 2: After the source data is damaged, the LUN copy must completely copy the backup data to restore the source data. And clone only

Damaged data needs to be recovered, which greatly reduces the recovery time.

A, description 1 is correct, description 2 is correct

B. Description 1 is right, description 2 is wrong

C, description 1 is wrong, description 2 is right

D. Description 1 is wrong, description 2 is wrong

Options:

Question 61

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

Options:

A.

The local and remote sites can run services at the same time

B.

A quorum server must be configured.

C.

HyperClone can be configured only for storage devices of the same model and version

D.

Automatic switchover upon storage faults is supported.

Question 62

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

Question 63

A company purchased DAS devices to store files and service data at the startup stage. With the increase of service volume and diversity, which problems may occur? (Select All that Apply)

Options:

A.

It is difficult to expand the capacity of the DAS architecture after the data volume increases to a certain level.

B.

Data and materials are scattered on different devices and cannot be managed in a centralized manner.

C.

As the number of file servers increases, no more servers can be added to share the DAS storage.

D.

Data and materials are scattered on different devices and hard to be searched for

Question 64

Deduplication and compression can only be enabled for Thin LUNs.

Options:

A.

TRUE

B.

FALSE

Question 65

Which of the following is the most widely used FC topologies?

Options:

A.

Point-to-Point.

B.

FC Switched Network.

C.

Arbitration Loop

D.

FC Direct Connection.

Question 66

What versions of the NFS protocol are there? (Multiple choice)

Options:

A.

NFS V1

B.

NFS V2

C.

NFS V3

D.

NFS V4

Question 67

An Internet company plans to purchase a storage device to store archived service data and online transaction data. SSDs are expensive and HDDs cannot meet the performance requirements of online services. Which features CANNOT solve this problem? (Select All that Apply)

Options:

A.

SmartMigration

B.

HyperMetro

C.

SmartTier

D.

HyperClone

Question 68

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.

Question 69

SmartKit is an O&M tool that integrates cloud computing, server, and storage. It cannot be used to monitor third-party devices.

Options:

A.

True

B.

False

Question 70

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

Question 71

Which of these are O&M standard systems? (Select All that Apply)

Options:

A.

International Organization for Standardization 2000 (ISO2000)

B.

Institute of Electrical and Electronics Engineers (IEEE)

C.

Information Technology Infrastructure Library (ITIL)

D.

Storage Networking Industry Association (SNIA)

Question 72

NAS provides file sharing services through protocols such as NFS and CIFS.

Options:

A.

False

B.

True

Question 73

Which of the following operating systems can access CIFS shares without installing additional software?

Options:

A.

Win7

B.

Solaris

C.

FreeBSD

D.

AIX

Question 74

Which of the following is incorrect regarding the differences of IP SAN and FC SAN?

Options:

A.

IP SAN uses iSCSI protocol for data transmission.

B.

IP SAN can connect to FC SAN without any additional protocols.

C.

FC SAN uses FC protocol for data transmission

D.

Both encapsulates the SCSI command with their underlying protocol before transmission

Question 75

A device has only one WWNN number, but it can have multiple WWPN numbers.

Options:

A.

TRUE

B.

FALSE

Question 76

When the RTO requirement is within 10 minutes, the traditional tape backup method is not recommended.

Options:

A.

TRUE

B.

FALSE

Question 77

FTP is a very secure protocol with no security risks.

Options:

A.

TRUE

B.

FALSE

Question 78

Which statements are true about the ports of a Huawei OceanStor all-flash storage device? (Select All that Apply)

Options:

A.

Bond ports, VLANs, and logical ports are created based on available Ethernet ports

B.

The networks and services between VLANs are physically isolated, which improves the security and reliability of service data.

C.

Multiple Ethernet ports of the same controller are bonded to form a bond port to increase the bandwidth

D.

Multiple logical ports can be created for a bond port, but only one logical port can be created for an Ethernet port

Question 79

Which of the following are the data transmission rates that can be configured on the FC ports on the FC switch in FC SAN given that your cable and SFP supports it? (Select All that Apply)

Options:

A.

8Gb

B.

11Gb

C.

4Gb.

D.

16Gb.

Question 80

Regarding the common components of ICT, is the following statement correct?

Options:

A.

Common components of ICT include host, storage array, switch, and network

B.

The mainframe is also called a server, referring to some computers with higher specifications in some enterprises

C.

Storage array usually refers to equipment that provides data storage

D.

The switch is also called a switching hub, which mainly works on a three-layer network

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Total 536 questions