Huawei h19 308 HCIA(Huawei HCNA Routing and Switching)

Huawei
H19-308

Huawei Certified
Pre-sales
Associate-Storage-ENU
Version: 7.0
[ Total Questions: 97]
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Practice Exam

Huawei - H19-308

Question #:1
OceanStor F V5 and V5 series support HyperMetro for both SAN and NAS.
A. TRUE
B. FALSE
Answer: A
Question #:2
Which of the following descriptions about the models supported by the Dorado V3 are correct? (Multiple
Choice)
A. The Dorado5000 V3 SAS supports a dual-controller architecture with 256 GB cache.
B. The Dorado5000 V3 NVMe supports a dual-controller architecture with 512 GB cache.
C. The Dorado6000 V3 SAS supports a dual-controller architecture with 256 GB cache or 512 GB cache.
D. The Dorado6000 V3 SAS supports a dual-controller architecture with 512 GB cache or 1 TB cache.
Answer: A B D
Question #:3
Which of the following descriptions about deduplication and compression supported by the Dorado V3 are
correct? (Multiple Choice)
A. Inline deduplication and compression
B. Deduplication and compression can be enabled or disabled separately.
C. LUN granularity-based deduplication and compression
D. It is enabled when a LUN is created. It cannot be disabled after being enabled.
Answer: A B C D
Question #:4
Which of the following statements is NOT correct about SAN?
A. SAN includes IP SAN and FC SAN
B. Server and storage equipment are connected through storage network

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Practice Exam

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C. Application server and storage equipment can be expanded separately
D. SAN can provide file access and file sharing services
Answer: D
Question #:5
2600 V3 supports hot-swappable 12G SAS interface module
A. TRUE
B. FALSE
Answer: A
Question #:6
Dorado V3 supports NVMe SSDs
A. TRUE
B. FALSE
Answer: A
Question #:7
Which of the following models are OceanStor V5 series storage? (Multiple Choice)
A. 2600 V5
B. 2800 V5
C. 5300 V5
D. 5500 V5
E. 5600 V5
F. 5800 V5
Answer: B C D E F
Question #:8

HyperLock is the name of the file system WORM feature in OceanStor V5 and provides legal compliance
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Practice Exam

Huawei - H19-308

protection mode.
A. TRUE
B. FALSE
Answer: A
Question #:9
Which of the following disk enclosures are supported by the 2200 V3? (Multiple Choice)
A. 2 U, 12 disks
B. 2U, 25disks
C. 4 U, 24 disks
D. 2 U, 24 disks
Answer: B C
Question #:10
Which of the following models are included in the OceanStor F V5 series? (Multiple Choice)
A. 5300F V5
B. 5500FV5
C. 5600FV5
D. 5800FV5
E. 6800FV5
F. 18500F V5/18800F V5
Answer: A B C D E F

Question #:11
2200 V3 is the only product that supports SmartVitualizartion among entry-level storage products.
A. TRUE
B. FALSE

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Practice Exam

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Answer: A
Question #:12
The built-in BBU/CBU and the coffer disks can protect against cache data loss in the case of unexpected
power-off.
A. TRUE
B. FALSE
Answer: A
Question #:13
Dorado V3 supports SAN and NAS
A. TRUE
B. FALSE
Answer: B
Question #:14
Which is the customer benefit of SmartVirtualization?
A. Storage resources in "pay-as-you-use" mode, reducing the upfront investment
B. Heterogeneous virtualization, consolidating mainstream vendors' storage into resource pools

C. Unified management of high-end, mid-range, and entry-level storage, improving management efficiency
Answer: B

Question #:15
What are the software features supported by the Dorado V3? (Multiple Choice)
A. SmartDedupe and SmartCompression
B. HyperSnap and HyperClone
C. HyperReplication and HyperMetro
D. QoS and Cache Partitioning

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Practice Exam

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Answer: A B C
Question #:16
FlashLink involves the following technologies: (Multiple Choice)
A. I/O priority adjustment
B. Hot/cold data partitioning
C. Sequential Write of Large Blocks
D. Scale-up and Scale-out
Answer: A B C
Question #:17
What are the competitive advantages of the HyperSnap feature supported by the Dorado V3? (Multiple
Choice)

A. Periodic snapshot in seconds
B. Multiple snapshot copies
C. Zero performance loss
D. COW snapshot
Answer: A B C
Question #:18
How much time does it take for Dorado V3 to reconstruct 1TB data?
A. 0.5 hour
B. 1 hour
C. 2 hours
D. 4 hours
Answer: A
Question #:19

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Practice Exam

Huawei - H19-308

Which of the following RAID levels has the lowest capacity utilization?
A. RAID0
B. RAID1
C. RAID 3
D. RAID 5
Answer: B
Question #:20

Which of the following NL-SAS disk specifications does OceanStor V5 NOT support?
A. 2 TB
B. 3 TB
C. 4TB
D. 6 TB
E. 8 TB
F. 10 TB
Answer: B
Question #:21
2200 V3/2600 V3 supports 2 U 2, 5-inch disk enclosure, 4 U 3.5-inch disk enclosure, and 4 U high-density
disk enclosure.
A. TRUE
B. FALSE
Answer: B
Question #:22
2200 V3 is an entry-level storage product targeting small- and medium-sized business (SMB) market. It can be
used in a variety of scenarios, such as centralized storage, backup, video surveillance, databases.
A. TRUE
B.
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Practice Exam

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B. FALSE
Answer: A

Question #:23
Which are the customer benefits of SmartThin (Thin Provisioning)? (Multiple Choice)
A. Expand capacity on demand
B. Reduce initial purchase cost
C. Improve storage capacity utilization
D. Reduce total cost of ownership
E. Reduce the amount of data
Answer: A B C D

Question #:24
Which features are available for OceanStor 9000? (Multiple Choice)
A. File Aggregation
B. HyperClone
C. Video Repairing Technology
D. Remote Replication
Answer: A C D
Question #:25
Which of the following SSD capacities does OceanStor V5 support? (Multiple Choice)
A. 600 GB
B. 960 GB
C. 1.92 TB
D. 3.84 TB
E. 7.68 TB

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Practice Exam

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Answer: A B C D E
Question #:26
2200 V3 does not support iSCSI and FC host ports in a single device.
A. TRUE
B. FALSE
Answer: B
Question #:27
OceanStor 9000 does not have a node that is only used to provide metadata service.
A. TRUE
B. FALSE
Answer: A
Question #:28
What are the characteristics of the HyperMetro for Both SAN and NAS supported by the OceanStor V5 series?
(Multiple Choice)
A. Gateway-free, SAN and NAS integration
B. Load balancing between active-active sites
C. Active-active solution with RPO=0 and RTO RT0
Answer: A B C
Question #:29
Which of these is the same between OceanStor V5 and OceanStor V3?
A. The hardware platform is the same.
B. The software is the same.
Answer: B

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Practice Exam

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Question #:30
Which RAID level does not provide data protection?
A. RAID 10
B. RAID 5
C. RAID 0
D. RAID 6
Answer: C
Question #:31
2200 V3/2600 V3 supports 2 U 2.5-inch disk enclosure, 4 U 3.5-inch disk enclosure, and 4 U high-density
disk enclosure.
A. TRUE
B. FALSE
Answer: B
Question #:32
Which of the following statements about the HyperMetro feature of the Dorado V3 are correct? (Multiple
Choice)
A. The gateway-free active-active mode is supported, and the performance is higher than 200,000 IOPS
with 1 ms latency.
B. Two quorum servers are supported to improve reliability.
C. Smooth expansion from the gateway-free active-active mode to 3DC without gateways
Answer: A B C
Question #:33
Which is the maximum IOPS that Dorado V3 can achieve?
A. 3 Million ms

B. 4 Million ms
C. 3 Million IOPS@1ms

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Practice Exam

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D. 4 Million IOPS@1 ms
Answer: B
Question #:34
Which disks are supported by 2200 V3? (Multiple Choice)
A. 3.5-inch HDD SAS
B. 3.5-inch SSD disk
C. 3.5-inch NL-SASdisk
D. 2.5-inch SAS disk
E. 2.5-inch SSD disk
Answer: B C D E
Question #:35
You can migrate data from Dorado V3 to traditional storage.
A. TRUE
B. FALSE
Answer: B
Question #:36
What are the advantages of OceanStor 9000? (Multiple Choice)
A. Single file system

B. Symmetric architecture, expand on demand
C. Distributed RAID use Erasure Code
D. Intelligent archiving
Answer: A B C D
Question #:37

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Practice Exam

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Dorado V3 tolerates failure of 4 SSDs simultaneously
A. TRUE
B. FALSE
Answer: B
Question #:38
Does OceanStor 9000 support storing videos and pictures in the same node pool?
A. yes
B. no
Answer: A
Question #:39
Which of the following is the maximum performance (IOPS@SPC-l) that OceanStor V5 can achieve?
A. 6 Million IOPS@lms
B. 4 Million IOPS@lms
C. 3 Million IOPS@lms
Answer: A

Question #:40
2200 V3 is the only product that supports SmartVitualizartion among entry-level storage products.
A. TRUE
B. FALSE
Answer: A
Question #:41
For hot and cold data, SmartTier can only use the SAS and NL-SAS tiers for storage.
A. TRUE
B. FALSE

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Practice Exam

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Answer: B
Question #:42
Which of the following functions is NOT supported by the OceanStor F V5?
A. Unified storage
B. Deduplication and compression
C. Tiered storage
D. HyperMetro (NAS)
Answer: C
Question #:43
2200 V3 is an entry-level storage product of Huawei. 2200 V3 with 32 GB cache supports both SAN and
NAS.

A. TRUE
B. FALSE
Answer: A
Question #:44
Dorado V3 supports adjusting the LUN granularity based on applications.
A. TRUE
B. FALSE
Answer: A
Question #:45
How many host ports can a 2200 V3 support?
A. 8
B. 12
C. 16

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Practice Exam

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D. 24
Answer: D
Question #:46
What is the full name of WORM?
A. Write once, read many
B. Write many, read once
C. Write many, read many

Answer: A
Question #:47
Which are the advantages of Dorado V3? (Multiple Choice)
A. 4 million IOPS at 0.5 ms latency 10X storage performance improvement 1 ms gateway-free active-B.
active solution 99.9999% field-proven availability
B. 3x data reduction guarantee, 50% TCO saving
C. Simplified management, deployment in 10 minutes
Answer: A B C
Question #:48
What conditions must be met so that OceanStor F V5 series and V5 series can migrate data from
heterogeneous third-party storage devices without interrupting services? (Multiple Choice)
A. The host is configured with multipathing software.
B. The third-party storage device is in the heterogeneous compatibility list of Huawei.
C. The host OS is Linux, ESXi, or hp-ux.
Answer: A B C
Question #:49
Which sizes of cache can be used in the OceanStor 5500 V5? (Multiple Choice)
A.
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Practice Exam

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A. 64 GB (dual controllers)
B. 128 GB (dual controllers)
C. 256 GB (dual controllers)

Answer: B C
Question #:50
2200 V3 supports HyperCopy and HyperSnap, which are both included in the basic software suite.
A. TRUE
B. FALSE
Answer: A
Question #:51
Which types of host ports are supported by the 2200 V3? (Multiple Choice)
A. 16/8Gbit/s FC
B. 10 Gbit/s iSCSI
C. 1 Gbit/s iSCSI
D. 10 Gbit/s FCoE
E. SAS
Answer: A B C D
Question #:52
HyperReplication is a remote replication technology that only implements asynchronous replication.
A. TRUE
B. FALSE
Answer: B
Question #:53
How does Dorado V3 help customers save costs? (Multiple Choice)

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Practice Exam

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A. High performance, same performance with fewer devices
B. Data reduction, lower storage capacity to be bought
C. Less space occupation
D. Lower power consumption
E. Lower maintenance costs
Answer: A B C D E
Question #:54
Which type of backup copies the minimum amount of data?
A. Full backup
B. Differential backup
C. Incremental backup
Answer: C
Question #:55
Which CPU model does OceanStor 5300 F V5 use, Intel or ARM?
A. Intel
B. ARM
Answer: A
Question #:56
What are the performance-optimized technologies of the OceanStor F V5 series? (Multiple Choice)
A. Optimization of CPU cores
B. Adaptive cache algorithm
C. Intelligent I/O scheduling
Answer: A B C

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Practice Exam

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Question #:57
File data stored in OceanStor 9000 is divided into N fragments and M redundant fragments, M ranges from 2
to 18.
A. TRUE
B. FALSE
Answer: B
Question #:58
Which are the main targeted sales scenarios of OceanStor 9000? (Multiple Choice)
A. Media
B. Video surveillance
C. HPC
D. VMware
Answer: A B C
Question #:59
SmartMigration supports three data migration approaches: Storage media migration (for example, between
SAS and NL-SAS), RAID level migration (between different RAID levels), and conversion between a thin
LUN and a thick LUN.
A. TRUE
B. FALSE
Answer: A
Question #:60
Which of the following are the all-flash models that support SmartMatrix 2.0 and tolerate failures of up to 3
controllers in a 4-controller layout without disrupting services? (Multiple Choice)
A. 18800F V5
B. 18500FV5
C. 6800F V5

D.
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Practice Exam

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D. 5800F V5
Answer: A B C
Question #:61
Which advantages does Dorado V3 have in the VDI scenario? (Multiple Choice)
A. Support to more virtual desktops based on high performance, inline deduplication and compression
B. No desktop boot/login storm
C. Larger storage capacity
D. Faster response of desktops
Answer: A B D
Question #:62
OceanStor F V5 series are hybrid-flash storage systems.
A. TRUE
B. FALSE
Answer: B
Question #:63
Which is not a front-end port of Dorado V3?
A. 8 Gbit/s and 16 Gbit/s FC
B. 40 Gbit/s InfiniBand
C. 56 Gbit/s InfiniBand
D. 10 Gbit/s iSCSI and FCOE

Answer: B
Question #:64
Dorado V3 supports post-process compression. Data can be compressed after being written into SSDs.
A. TRUE

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B. FALSE
Answer: B
Question #:65
Which CPU model does OceanStor 5300 V5 use, Intel or ARM?
A. Intel
B. ARM
Answer: B
Question #:66
The competitors of Dorado V3 include; (Multiple Choice)
A. XtremlO
B. VMAX-AF
C. PureStorage
D. HP8450
E. NetAppA700
Answer: A B C D E
Question #:67

Which RAID levels does Dorado V3 support? (Multiple Choice)
A. RAID 10
B. RAID 5
C. RAID 6
D. RAID TP
Answer: B C D
Question #:68

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Practice Exam

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Dorado V3 supports the HyperMetro solution.
A. TRUE
B. FALSE
Answer: A

Question #:69
HyperSnap requires a full copy of data.
A. TRUE
B. FALSE
Answer: B
Question #:70
2200 V3 does not support scale-out.
A. TRUE

B. FALSE
Answer: A
Question #:71
Dorado V3 implements snapshot based on______
A. COW
B. CRM
C. ROW
D. WOS
Answer: C
Question #:72
Does OceanStor F V5 support 3.5-inch SSDs?
A.
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A. Yes
B. No
Answer: B
Question #:73
Which advantages does Dorado V3 have in the database acceleration scenario? (Multiple Choice)
A. High lOPS
B. Low latency
C. No impact on performance after enabling of inline compression
D. No impact on performance after enabling of snapshot

E. Gateway-free active -a ctive, for optimal reliability
Answer: A B C D E
Question #:74
In SmartMulti-Tenant, a vStore is managed by only one tenant administrator, and vStores are isolated from
each other.
A. TRUE
B. FALSE
Answer: A
Question #:75
What are the major changes of OceanStor V5 compared with OceanStor V3?
A. Hardware upgrade
B. Software re-written
C. Both hardware and software completely changed
Answer: A
Question #:76

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Practice Exam

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OceanStor F V5 series and V5 series can migrate data from heterogeneous third-party storage devices without
interrupting services.
A. TRUE
B. FALSE
Answer: A

Question #:77
OceanStor 9000 supports high density nodes.
A. TRUE
B. FALSE
Answer: A
Question #:78
Which of the following is the most important characteristic for OLTP?
A. IOPS
B. Bandwidth
C. Capacity
Answer: A

Question #:79
What is the major difference between OceanStor 6800 V5 and OceanStor 6800 V3?
A. Number of supported disks
B. Number of scalable controllers
C. Back-end full interconnection
Answer: C
Question #:80
OceanStor 9000 supports a single file system.

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Practice Exam

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A. TRUE
B. FALSE
Answer: A
Question #:81
Which types of node can OceanStor 9000 support? (Multiple Choice)
A. P12E
B. P25E
C. P36E
D. C36E
E. C72
Answer: A B C D E
Question #:82
Dorado V3 supports SSDs and HDDs
A. TRUE
B. FALSE
Answer: B
Question #:83
What is the maximum number of disks supported by 2200 V3?
A. 204
B. 276
C. 300
D. 500
Answer: C

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Practice Exam

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Question #:84
Which backup networking mode does not need additional network equipment?
A. LAN Free
B. LAN Base
C. Server Free
Answer: B
Question #:85
Which of the following descriptions about deduplication and compression supported by the Dorado V3 are
correct? (Multiple Choice)
A. Inline deduplication and compression
B. Deduplication and compression can be enabled or disabled separately.
C. LUN granularity-based deduplication and compression
D. It is enabled when a LUN is created. It cannot be disabled after being enabled.
Answer: A B C D
Question #:86
Which of the following solutions are supported by the Dorado V3? (Multiple Choice)
A. Database acceleration
B. VDI
C. SAPTDI
D. NAS sharing
Answer: A B C
Question #:87
The OceanStor F V5 series all-flash storage supports both tiered storage (SmartTier) and intelligent caching
(SmartCache).
A. TRUE
B.
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