Storage Concepts Quiz

Exam Details

• Exam code: H13-611_V5.0-ENU
• Exam title: HCIA-Storage V5.0
• Exam version: V10.02

Ext3 File System Failure Repair

• Directly executing fsck to repair damaged file systems in a mounted state is incorrect; do not arbitrarily perform fsck on a normally running file system.

SmartQoS Policy for Hosts

• Adding a host to more than one SmartQoS policy is not supported
• SmartQoS includes burst flow control, flow control, and minimum protection management.

Huawei All-Flash Storage Products

• SmartTier technology is used to analyze data activity and match different activity levels with appropriate storage characteristics.

FC HBA Card Use

• FC HBA card mainly connects servers to fiber arrays

Intelligent Classification and Data Types

• Data that has not been accessed for a long time is marked as cold data in intelligent classification systems.

SAS Protocol Architecture

• The port layer describes the interface between the link layer and the transport layer in the SAS protocol.

Unified Management Tool

• eSight reduces system maintenance and upgrade costs.

Disk Enclosure Positioning Indicator Light

• The disk enclosure positioning indicator light turns blue in Huawei OceanStor Dorado V6 series products.

Alarm Information Threshold

• A dump can be set to prevent the loss of alarm data when the capacity of alarm information reaches the threshold.

Storage Virtualization

• Storage virtualization does not display information about hardware additions and subtractions.

Equipment Power-On Sequence

• The correct power-on sequence is: External power -> controller box power -> server power -> switch power

IP SAN Network Architecture

• A TOE NIC can be used to complete ICP/IP message conversion.

iSCSI Request Processing

• With an HBA card that supports iSCSI, SCSI instructions get processed on the HBA card itself.

SAN Active-Active Solution

• In case of single storage or data center failure, SAN active-active solutions should be able to minimize data loss to zero

iSCSI Initiator Implementation Methods

• Performance order from high to low: iSCSI HBA card > TOE card > Software Initiator Driver

Maintenance Project of Data Center Storage

• Initial maintenance tasks involve checking SmartKit and eService installation/configuration, and alarm policy configuration.

Storage Device Alarm Maintenance

• It is wrong/unnecessary to restart the storage device

SmartQoS Default Priority

• If not configured, SmartQoS uses a low priority by default when a LUN or file system is created

DME Storage Function Features

• Replica Quota are not part of protection automation feature.

Huawei OceanStor Dorado V6 Expansion Tech

• PCIe Scale-Out is the expansion tech.

RDMA Direct Transfer

• RDMA allows direct transfer of cache.

Disk Inaccessibility Reconstruction

• The reconstruction method used when writing to the disk during the period when the disk is inaccessible is Restore and reconstruct

Virtualized Data in Storage Pool

• DCL is not contained within metadata volumes

iSCSI Protocol Encapsulation

• iSCSI data is not included

SmartMigration Configuration

• Thick LUN A and Thin LUN should belong to the same controller.

High Reliability of Huawei OceanStor Dorado

• Having all SSD hard drives, not just some

Data Block Rotation

• Average seek time is for data to continue to rotate

SSD Controller Chip

• SSD cannot determine read/write positions

SmartCache Pool Media types

• SCM disk can consist of SmartCache Pool

IP SAN and FC SAN

• FC SAN is not compatible with all IP network devices

NAS Architecture

• UNIX and Windows users cannot directly share the same data through NAS is wrong

OceanStor Pacific Block Storage System

• The storage network layer is not included

Load Balancing Between Controllers

• Use value of 0 in command line

RAID Types

• RAID 6 can tolerate the failure of largest number of hard disks

RAID Data Organization

• A stripe width is the number of stripes in a disk group

Better Data Security

• Choosing RAID 6 ensures >60% utilization

SCSI Protocol

• No cost reduction issues

iSCSI Network Transmission

• IsCSI packet transmitted

SSD Composition

• Doesn't belong to NAND flash particles

Performance Monitoring

• Should focus on IOPS

Storage Management Software

• eService is the software

Remote Replication Pair Creation

• Should display as "Normal"

Daily Business Grwoth

• Minimum Bandwith is 834KBps

Employee Look for Payroll

• Structured data

File-Level Sharing Services

• NAS can provide for hosts

Hyper CDP

• Does not support synchrionization

All-Flash storage series

• Lossy copression is nt supported

Thin LUN

• It is no the actual phsycal space

Thich LUN / Thin Lun

• Thick LUN has to apply for space every time

Data Processing

• Sorting is not a step

NVMe Standard

• Solves compatiability issues

Oceanstor Pacific 9950

• 80 nVMes are supported

RDMA

• Based on Ethernet

PCle protocol structure

• Presentation level not included

Smart acceleration feature

• Tier/Cache is not indipendent

Level help with transport offload shifting?

• Chip level

Hyperclone features

• Does not support consistancy groups

Functions taht cannot pe implemented

• C. Storage resource allocation

Hyperclone is

• C. Full data copy of the source LUMN

CIFS and NFS

• A. easier to user than IFS, but additional software must be installed on the host

Descriptions show system general

• B. show System general

HyberCDPplan

• Is 3 seconds

Ports that can be assigned a unique iP Adress

• D. Logical port

Scale-out

• Focus is no tincreasing the performnce of hte single mode

Snapshto retrieved

• Restore the 1100 snapshopt

Controllers during HA

• The Other states
• D. is the Waiting, synchornizing,and monitoring

IO Data using, MultiPath selection alg

• D. The polling alg

Software System is

• B. 99.75

Solution with integrated design

• Hauwei edge data storage

Following is correct?

• C. Description 1 is wrong, description 2 in correct.

Backup storage full-scenario

• C is wrong warm-up

Disks in domain

• Total number of LUMs int eh disk
• B.13

compression characteristics

• B. Extend the se4rvice life of SSD

NFS system

• No tonly allows clients with teh ambe system to sha re filese with

backup method most suitable?

• A.10ge landbase

Roce module

• Connecting to app servie.

Description of Storage

• C. data is info

Short time saves stor

Required bakend capacity?

D.5940GB

Difference wrong with Das and San is wong>

• B. Both Das and San are exteral storeage

OpenStack are wrong?

• D. Swift

87. Tech does not beling to many

• A. multisteam patiinog tech.

B. CIFS is the answer wrong

• A cifs/nfs are both s

SmartQos feature of hauwai is wrong

• D when a cp u is complete

Center of HaUwai

• Answeer is A
• Answer: B

Imported into the system

• B. shows license

A. change Raid level of a LUM

• Anwer: B

Correct About Raid

• D. file system

Idently for data cctivity is

• D

SSD

• -the biggest advantate os SSDs

Raid 2.0 plus Wrong

• A one to many rapidrefactoringmode

Customer need business continuity.

• A set up two data center in the same city set up another data center for

Smart matrix is Wrong

• A using Smart matrix articturea system can expand to unlimited controllers

SAN architecture basic components not include?

• d router

Short coming Traditoional Raid Compared to2

• A Slow reconstruction speed

What is the not is storage

- D backup neteork

Cannot controledeu

• A HOST groyp

Data compresssion chorrect

• A. Some data info may be

Which means minimum a allocation?

• c. Grain

Correct about serail and paralell?

• B. serial transmisison iws Low and distane

interconeewction of controllers in thesmartmarixarchiester?

• C. scale out nofwardoing between

storage

• support s3 swift protocols is wrong

tradioncal raids compared totrad?

• A. Slow reco

What raid technoogies hadiskworse

• B Raid 1

System installatin canmet thee nes

• Fusin build

What Ffeatures lun geneeratetime sam

• Heypermirror

the hyaweie dedcatee bcup stireag whch

• B OCeaenstorbc manager

In acitbeactove

• A.Gslob site load balance

Which are correct about RDMA (Remote Direct Memory Access)? (Multiple Choice) B. Less OS resource usage C. High throughput D. Low latency

FlashLike?

• A Intelligent Many-Core Technology is correct in flashlinlk tech

Storage correct

• A Stragte refgeres to Harddiks

• A, B

Which

B.Reverse connection networking

Nomenode correct

• Ab

scm media correct choice

• abcsramrerammramdram

Hauwie oceAnstor

• Acd

A plane correct

• AB

Which are correct about Hauwie storage solutions

• AbC

correct Multplive

• ACD

Wthich of the follwing staments

AcD

the descsriptions of how

• Dc

Conne

• AABCD

the Huwaui Ocean or

• Ab

Which of the following descriptions about the working principle of RAID10 are correct? (Multiple Choice) A. When any two hard disks fail, RAID 10 can recover data. B. The number of hard disks in a RAID 10 group is always an even number C. When writing data to a RAID 10 group, it is faster to write data in parallel between sub-groups, and the data within a sub-group is written in mirroring: D. RAID 10 combines mirroring and striping, performing RAID 1 mirroring first and then RAID 0 Answer: BCD

• ABCDS

VAlue ADD

• Answeer is BD

HUauwae strage fully interconnected architecture. Which of the following items are part of +BCD

ENgineerA entered

• AB

C

• Ab Which of the following indicator are included in measuring the performance of mechanical hard disks? (Multiple Choice) B. Hard disk speed C. Dara transfereate D. Average visit time

####### whic of the follwing statemtents ab out fasl bd

what is the role ot multiple ?

• Ac

Compeated wit

• A B C

the data iO for company's

. b

WHich of the following are scale-up networkng thethos tha cna be used b hUAwEI SAS DISK Abcds

Whic stmts correc

• Ah

hauwie a ll

A B

When defg

• BCDs

• c421

Whhic

A A

IS IC

• B C

License management

• Ab

The of RDma correct;

BCD

wchich of the folliwing

• abdcs

HAUWIE ALL - Flash

Abcd

the follwoing staments is corectabout storage

B

iscsi node

• b

Huawei all

• Ab

huawe's active structure

• c

HW sdd, the opetationo

• b

DS

• B

Hw controller box of Ocenaanstor Dorado

a

###IP r

• d

59smartier

a

distributed

a

Hyper

a

SCM

B

Howewii rai

• B

The

a

Whivc bof cIFS correct AB Enterprise ip san

• BD

What are the co

.cd WHich fo the following decsripbions aboutthe advatnage ot DAS IC deploymernt simple

Wchihthefollowingdescsriptions

AbCd

Rado 50?

B.D

The following concepts does Huawei's RAID2.0+ technology involve? (Multiple Choice) A. CK B. CKG C. Extent D. Grain Answer: ABCD

• a.

WH at parameter needs ti be set are cLUN snap.

The Following Chacteristic development ABcdS

What was about RAID5 B

• 41,42 What is a iscu

What was used about DROS B

Soft raid B

Snapshot A

The following protocol is used in Nas

• cifs

What design has huawei hybrid flash storage

the corect answer is ABd

what compnes

• b

whick in correct aboud raids ab

huanwei al flash strogare system usees

ACD

Whic

A B

what dorecovery

cd

scsi prtotocl has transmitter

Snapshot functioon at 9 to0o

• AcD

Withic follwing option does disteruebte de

AcDc

A is thE corecct

ABc Which is the the e cor

A b cde

A-

• b

The WORMfeature meams full read

Haweii allflash strage systed

• a. —19

This quiz covers fundamental storage concepts. It includes topics such as lossy compression, LUN types (Thin and Thick), NVMe, RDMA technologies, PCIe, SmartMatrix architecture, SAN components, RAID configurations and SmartQoS.