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IT102 > HCIA STORAGE V4.5 > Flashcards

HCIA STORAGE V4.5 Flashcards

1
Q

multiple: Which of the following are data types?

  • Structured data
  • Semi-structured data
  • Unstructured data
  • Massive amounts of data
A

Structured data
Semi-structured data
Unstructured data

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2
Q

multiple: Which of the following statements about storage are correct?
* Storage refers to disks.
* A storage system consists of storage hardware, software, and solutions.
* Storage types include block storage, file storage, and object storage.
* File storage provides block services.

A
  • A storage system consists of storage hardware, software, and solutions.
  • Storage types include block storage, file storage, and object storage.
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3
Q

multiple: Which are characteristics of cloud storage?

  • Convergence
  • Open
  • Scale-up
  • Elasticity
A

Convergence
Open
Elasticity

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4
Q

multiple: Which of the following are the objectives of integrating AI into storage?

  • Simple
  • Efficient
  • High power consumption
  • Easy to use
A

Simple
Efficient
Easy to use

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5
Q

（Single）Which of the following statement about Huawei OceanStor all-flash storage is false?

  • Supports SSDs and NVMe disks.
  • Supports SAS disks.
  • Supports HDDs.
  • Supports palm-sized SSDs.
A

Supports SSDs and NVMe disks.

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6
Q

（Single）Which RAID level would you recommend if a user focuses on reliability and random write performance?

  • RAID 10
  • RAID 1
  • RAID 0
A

RAID 10

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7
Q

（Multiple）Which networks are included in FC topologies?

  • Arbitrated loop network
  • Point-to-point network
  • Switching network
  • Dual-switching network
A
  • Arbitrated loop network
  • Point-to-point network
  • Switching network
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8
Q

（Multiple）Which PCIe versions are available currently?

  • PCIe 1.0
  • PCIe 2.0
  • PCIe 3.0
  • PCIe 4.0
A

all is the correct answer

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9
Q

Multiple）Which of the following are file sharing protocols?

  • HTTP protocol
  • iSCSI protocol
  • NFS protocol
  • CIFS protocol
A

HTTP protocol
NFS protocol
CIFS protocol

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10
Q

（Multiple）Which of the following are included in distributed storage networking?

  • Management network
  • Frontend service network
  • Frontend storage network
  • Backend storage network
A
  • Management network
  • Frontend service network
  • Backend storage network
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11
Q

（Multiple）Which of the following protocols are commonly used in SAN networking?

  • FC
  • iSCSI
  • CIFS
  • NFS
A

FC

iSCSI

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12
Q

（Multiple）Which of the following storage services are supported by Huawei distributed storage (such as Huawei OceanStor 100D)?

  • Block storage
  • File storage
  • Object storage
  • HDFS storage
  • Linked storage
A

Block storage
File storage
Object storage
HDFS storage

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13
Q

（Multiple）What are the types of SSDs?

  • SLC
  • MLC
  • TLC
  • QLC
A

all is the correct answer

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14
Q

（Multiple）Which of the following can be used to measure the performance of an HDD?

  • Disk capacity
  • Rotation speed
  • Data transfer rate
  • Average access time
A
  • Rotation speed
  • Data transfer rate
  • Average access time
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15
Q

（True-or-False）Scale-up is a method in which disk enclosures are continuously added to existing storage systems to cope with increasing data volumes.

A

true

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16
Q

（True-or-False）Data access will remain unaffected when any disk in a RAID 10 array fails.

A

true

17
Q

（Single）Which status must a pair be before consistency splitting during LUN migration?

  • Migrating
  • Stop
  • Normal
  • Migrated
A

Migrated

18
Q

（Multiple）Which of the following migration policies can be set for LUNs?

  • Automatic migration
  • Migration to the higher-performance tier
  • Migration to the lower-performance tier
  • No migration
A

all is the correct answer

19
Q

（Multiple）Which of the following statements about consistency groups are correct?

  • If multiple LUNs at the primary end have write dependency relationships, replication consistency groups must be configured to ensure that the secondary LUNs also have write dependency relationships.
  • A consistency group is only used to manage the replication relationship between multiple LUNs.
  • If one member in a consistency group is faulty, all members in the consistency group are unavailable.
A
  • If multiple LUNs at the primary end have write dependency relationships, replication consistency groups must be configured to ensure that the secondary LUNs also have write dependency relationships.
  • If one member in a consistency group is faulty, all members in the consistency group are unavailable.
20
Q

（True-or-False）SmartTier cannot be enabled for a storage pool whose member disks are of the same type.

A

true

21
Q

（True-or-False）A source LUN can form multiple HyperClone pairs with different target LUNs. A target LUN can be added to only one HyperClone pair.

A

true

22
Q

（Single）Which is not a common backup topology?

  • LAN-Base
  • LAN-Free
  • Server-Free
  • Server-Base
A

Server-Base

23
Q

（Multiple）Which are not common backup types?

  • Full backup
  • Incremental backup
  • Extension backup
  • Elastic backup
A

Extension backup

Elastic backup

24
Q

（Multiple）Data replication is the core of a DR technology. On which three layers are replication devices distributed?

  • Application layer
  • Host layer
  • Network layer
  • Storage layer
A

Host layer
Network layer
Storage layer

25
Q

（True or False）When designing a DR solution, set RTO to 0 to ensure that services are not interrupted.

A

false

26
Q

.（Single）The management IP address of a storage device is 192.168.5.12. Which of following should be entered in the address box of the browser to log in to the storage device?

  • 192.168.5.12
  • http://192.168.5.12
  • https://192.168.5.12
  • https://192.168.5.12:8088
A

https://192.168.5.12:8088

27
Q

（Multiple）Which of the following are common management software?

  • DeviceManager
  • eSight
  • Smartkit
  • eService
A

all is the correct answer`

28
Q

（True or False）DeviceManager can monitor the performance of controllers, front-end ports, and back-end ports.

A

true

29
Q

True or False）SmartKit integrates various tools required for deploying, maintaining, and upgrading IT devices, helping service and maintenance engineers perform precise operations on these devices, improving work efficiency.

A

true

30
Q

(Single) Which of the following commands can be used to view license information?

  • license shown
  • show license
  • show information
  • show general
A

show license

31
Q

(Multiple) Which of the following can be exported from DeviceManager?

  • System Log
  • Disk Log
  • Configuration Info
  • Diagnostic File
A

all are correct answers

32
Q

(Multiple) Which of the following statements about LUNs and LUN groups of Huawei OceanStor all-flash storage devices are correct?

  • Support multiple LUNs creation.
  • Support thick LUNs.
  • When creating a LUN using DeviceManager, you can select the application type corresponding to the LUN.
  • A LUN group can contain only one LUN.
A
  • Support multiple LUNs creation.
  • When creating a LUN using DeviceManager, you can select the application type corresponding to the LUN.
  • A LUN group can contain only one LUN.
33
Q

(Multiple) Which of following can be controlled using SmartQoS policy?

  • Bandwidth
  • IOPS
  • Delay
  • Capacity
A

Bandwidth

IOPS

IT102 (5 decks)

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