H19-308-ENU Online Training Archives

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Page 1 of 11

1. Each LUN on Dorado V6 is owned by a specific controller.

True

False

2. SmartQoS allows preferential response to high-priority services. (True or False?)

True

False

3. To reduce costs, general-purpose servers are commonly used for object storage.

True

False

4. During the interaction between the server and SAN storage, the server encapsulates data in SCSI commands and implements data interaction through various network transmission protocols.

True

False

5. A storage pool is a logical combination of multiple storage tiers. A storage tier is a collection of storage media with the same performance in a storage pool.

True

False

6. In NAS cross-protocol access, the Windows permission is the same as the Linux permission.

True

False

7. Incremental backup requires the full backup and incremental backup of the last time to fully restore data.

Data reconstruction is slower than that of full backup, resulting in a long restoration period.

True

False

8. The recovery time objective (RTO) in a disaster recovery system refers to the time point to which the system and data must be recovered after a disaster occurs.

True

False

9. What is the maximum number of disks supported by the OceanStor 2200 V3?

300

500

204

276

10. What is the maximum redundancy ratio supported by high-ratio EC?

22+2

16+2

20+2

18+2

Page 2 of 11

11. How many cabinets does Huawei OceanStor distributed storage allow to fail?

12. What is the specification of the OceanStor Dorado V6 high-end controller?

3 controllers per 3u

4 controllers per 4u

4 controllers per 3U

2 controllers per 2u

13. How many controllers can be used when only one LUN is configured on Dorado V6?

All online controllers

14. SmartTier is a tiering feature of file systems.

What is the granularity of tiered migration?

Single file

File system

File directory

15. Which protocol is used for interconnection between controllers of OceanStor V5 Kunpeng?

PCl-e

RDMA

16. Which of the following technologies is not used by Huawei OceanStor SmartQoS?

I/O latency control

I/O priority scheduling

Cache partitioning

I/O flow control

17. Assume that an application generates about 8,400 random small I/Os, the read/write ratio is 21, and RA..

5 is used. If no requested data is hit in the cache (COW mode), what is the IOPS required by the disk arr….

11200

22400

4800

16800

18. A bank needs to store a large number of images of checks every day due to increasing service volume. The existing storage system cannot meet the capacity requirements, so it now takes much longer to retrieve data.

Which is the most suitable storage system type?

DAS

SAN

NAS

Object Storage

19. Which between NVMe (PCle) and NVMe-oF (RoCE v2) features better scalability?

NVMe-oF (RoCE v2)

NVMe (PCle)

20. Which protocol is not a front-end protocol of SAN?

InfiniBand

NFS

FCoE

Fiber Channel

iSCSI

Page 3 of 11

21. Which statement about storage software is incorrect?

LUN copy supports only full copy.

Deduplication is a data reduction technology that deletes duplicate data to release system space.

LUN copy copies the source LUN in a disk array to a target LU

A snapshot is a fully usable copy of a specified data set.

22. Which ascending order of disaster recovery levels is correct?

Module level -> system level -> solution level

Solution level -> module level -> system level

System level -> solution level -> module level

Module level -> solution level -> system level

23. In the medical PACS system, X-ray, MRI, CT, and ultrasound tests generate a large number of image files every day. The file size ranges from 100 KB to 1 MB.

Which Huawei NAS product is recommended?

FAS9000 series

Oceanstor 9000

OceanStor V5 NAS

Unity series

24. Which indicator indicates the time required for system recovery after a disaster occurs?

RTO

RPO

TCO

RIO

25. What is the name of the multi-pathing software of Huawei storage?

UltraPath

SecurePath

MPIO

PowerPath

26. During Huawei OceanStor Kunpeng V5 and Dorado V6 controller expansion, which switch is used for controller inter-connection?

IP switch

PCle switch

FC switch

WAN switch

27. What advantages does the Huawei 2000 V3 offer to get the most out of fixed investments lower prices motivate customers to buy our products, and achieve project success?

Among 32 GB products, the OceanStor 2200 V3 supports the leading gateway-free converged active-active solution for SAN/NA

Among 32 and 64 GB products, the OceanStor 2200 and 2600 offer commercial advantages.

Among 32 and 64 GB products, the OceanStor 2200 and 2600 offer the most-comprehensive functions.

Among 64 GB products, the OceanStor 2600 V3 supports the leading gateway-free converged active-active solution for SAN/NA

28. 4-in-1 means that 4 protocols are integrated into 1 OceanStor 100D storage system for unified management.

Which 4 protocols are involved?

Block

HDFS

File

Object

NDMP

29. What are vertical industries that require OceanStor distributed storage?

Enterprise

Carrier

Finance

Security

Government

30. What are the major differences between distributed storage and centralized storage?

The distributed architecture facilitates capacity expansion and reduction and eliminates data migration.

Distributed storage is applicable to cloud storage resource pools. content repository, archiving. and big data storage.

Distributed storage features high elasticity and scalability accelerating service rollout.

Distributed storage uses general-purpose servers as storage hardware for unified management

Page 4 of 11

31. Each LUN on Dorado V6 is owned by a specific controller.

True

False

32. SmartQoS allows preferential response to high-priority services. (True or False?)

True

False

33. To reduce costs, general-purpose servers are commonly used for object storage.

True

False

34. During the interaction between the server and SAN storage, the server encapsulates data in SCSI commands and implements data interaction through various network transmission protocols.

True

False

35. A storage pool is a logical combination of multiple storage tiers. A storage tier is a collection of storage media with the same performance in a storage pool.

True

False

36. In NAS cross-protocol access, the Windows permission is the same as the Linux permission.

True

False

37. Incremental backup requires the full backup and incremental backup of the last time to fully restore data.

Data reconstruction is slower than that of full backup, resulting in a long restoration period.

True

False

38. The recovery time objective (RTO) in a disaster recovery system refers to the time point to which the system and data must be recovered after a disaster occurs.

True

False

39. What is the maximum number of disks supported by the OceanStor 2200 V3?

300

500

204

276

40. What is the maximum redundancy ratio supported by high-ratio EC?

22+2

16+2

20+2

18+2

Page 5 of 11

41. How many cabinets does Huawei OceanStor distributed storage allow to fail?

42. What is the specification of the OceanStor Dorado V6 high-end controller?

3 controllers per 3u

4 controllers per 4u

4 controllers per 3U

2 controllers per 2u

43. How many controllers can be used when only one LUN is configured on Dorado V6?

All online controllers

44. SmartTier is a tiering feature of file systems.

What is the granularity of tiered migration?

Single file

File system

File directory

45. Which protocol is used for interconnection between controllers of OceanStor V5 Kunpeng?

PCl-e

RDMA

46. Which of the following technologies is not used by Huawei OceanStor SmartQoS?

I/O latency control

I/O priority scheduling

Cache partitioning

I/O flow control

47. Assume that an application generates about 8,400 random small I/Os, the read/write ratio is 21, and RA..

5 is used. If no requested data is hit in the cache (COW mode), what is the IOPS required by the disk arr….

11200

22400

4800

16800

48. A bank needs to store a large number of images of checks every day due to increasing service volume. The existing storage system cannot meet the capacity requirements, so it now takes much longer to retrieve data.

Which is the most suitable storage system type?

DAS

SAN

NAS

Object Storage

49. Which between NVMe (PCle) and NVMe-oF (RoCE v2) features better scalability?

NVMe-oF (RoCE v2)

NVMe (PCle)

50. Which protocol is not a front-end protocol of SAN?

InfiniBand

NFS

FCoE

Fiber Channel

iSCSI

Page 6 of 11

51. Which statement about storage software is incorrect?

LUN copy supports only full copy.

Deduplication is a data reduction technology that deletes duplicate data to release system space.

LUN copy copies the source LUN in a disk array to a target LU

A snapshot is a fully usable copy of a specified data set.

52. Which ascending order of disaster recovery levels is correct?

Module level -> system level -> solution level

Solution level -> module level -> system level

System level -> solution level -> module level

Module level -> solution level -> system level

53. In the medical PACS system, X-ray, MRI, CT, and ultrasound tests generate a large number of image files every day. The file size ranges from 100 KB to 1 MB.

Which Huawei NAS product is recommended?

FAS9000 series

Oceanstor 9000

OceanStor V5 NAS

Unity series

54. Which indicator indicates the time required for system recovery after a disaster occurs?

RTO

RPO

TCO

RIO

55. What is the name of the multi-pathing software of Huawei storage?

UltraPath

SecurePath

MPIO

PowerPath

56. During Huawei OceanStor Kunpeng V5 and Dorado V6 controller expansion, which switch is used for controller inter-connection?

IP switch

PCle switch

FC switch

WAN switch

57. What advantages does the Huawei 2000 V3 offer to get the most out of fixed investments lower prices motivate customers to buy our products, and achieve project success?

Among 32 GB products, the OceanStor 2200 V3 supports the leading gateway-free converged active-active solution for SAN/NA

Among 32 and 64 GB products, the OceanStor 2200 and 2600 offer commercial advantages.

Among 32 and 64 GB products, the OceanStor 2200 and 2600 offer the most-comprehensive functions.

Among 64 GB products, the OceanStor 2600 V3 supports the leading gateway-free converged active-active solution for SAN/NA

58. 4-in-1 means that 4 protocols are integrated into 1 OceanStor 100D storage system for unified management.

Which 4 protocols are involved?

Block

HDFS

File

Object

NDMP

59. What are vertical industries that require OceanStor distributed storage?

Enterprise

Carrier

Finance

Security

Government

60. What are the major differences between distributed storage and centralized storage?

The distributed architecture facilitates capacity expansion and reduction and eliminates data migration.

Distributed storage is applicable to cloud storage resource pools. content repository, archiving. and big data storage.

Distributed storage features high elasticity and scalability accelerating service rollout.

Distributed storage uses general-purpose servers as storage hardware for unified management

Page 7 of 11

61. Each LUN on Dorado V6 is owned by a specific controller.

True

False

62. SmartQoS allows preferential response to high-priority services. (True or False?)

True

False

63. To reduce costs, general-purpose servers are commonly used for object storage.

True

False

64. During the interaction between the server and SAN storage, the server encapsulates data in SCSI commands and implements data interaction through various network transmission protocols.

True

False

65. A storage pool is a logical combination of multiple storage tiers. A storage tier is a collection of storage media with the same performance in a storage pool.

True

False

66. In NAS cross-protocol access, the Windows permission is the same as the Linux permission.

True

False

67. Incremental backup requires the full backup and incremental backup of the last time to fully restore data.

Data reconstruction is slower than that of full backup, resulting in a long restoration period.

True

False

68. The recovery time objective (RTO) in a disaster recovery system refers to the time point to which the system and data must be recovered after a disaster occurs.

True

False

69. What is the maximum number of disks supported by the OceanStor 2200 V3?

300

500

204

276

70. What is the maximum redundancy ratio supported by high-ratio EC?

22+2

16+2

20+2

18+2

Page 8 of 11

71. How many cabinets does Huawei OceanStor distributed storage allow to fail?

72. What is the specification of the OceanStor Dorado V6 high-end controller?

3 controllers per 3u

4 controllers per 4u

4 controllers per 3U

2 controllers per 2u

73. How many controllers can be used when only one LUN is configured on Dorado V6?

All online controllers

74. SmartTier is a tiering feature of file systems.

What is the granularity of tiered migration?

Single file

File system

File directory

75. Which protocol is used for interconnection between controllers of OceanStor V5 Kunpeng?

PCl-e

RDMA

76. Which of the following technologies is not used by Huawei OceanStor SmartQoS?

I/O latency control

I/O priority scheduling

Cache partitioning

I/O flow control

77. Assume that an application generates about 8,400 random small I/Os, the read/write ratio is 21, and RA..

5 is used. If no requested data is hit in the cache (COW mode), what is the IOPS required by the disk arr….

11200

22400

4800

16800

78. A bank needs to store a large number of images of checks every day due to increasing service volume. The existing storage system cannot meet the capacity requirements, so it now takes much longer to retrieve data.

Which is the most suitable storage system type?

DAS

SAN

NAS

Object Storage

79. Which between NVMe (PCle) and NVMe-oF (RoCE v2) features better scalability?

NVMe-oF (RoCE v2)

NVMe (PCle)

80. Which protocol is not a front-end protocol of SAN?

InfiniBand

NFS

FCoE

Fiber Channel

iSCSI

Page 9 of 11

81. Which statement about storage software is incorrect?

LUN copy supports only full copy.

Deduplication is a data reduction technology that deletes duplicate data to release system space.

LUN copy copies the source LUN in a disk array to a target LU

A snapshot is a fully usable copy of a specified data set.

82. Which ascending order of disaster recovery levels is correct?

Module level -> system level -> solution level

Solution level -> module level -> system level

System level -> solution level -> module level

Module level -> solution level -> system level

83. In the medical PACS system, X-ray, MRI, CT, and ultrasound tests generate a large number of image files every day. The file size ranges from 100 KB to 1 MB.

Which Huawei NAS product is recommended?

FAS9000 series

Oceanstor 9000

OceanStor V5 NAS

Unity series

84. Which indicator indicates the time required for system recovery after a disaster occurs?

RTO

RPO

TCO

RIO

85. What is the name of the multi-pathing software of Huawei storage?

UltraPath

SecurePath

MPIO

PowerPath

86. During Huawei OceanStor Kunpeng V5 and Dorado V6 controller expansion, which switch is used for controller inter-connection?

IP switch

PCle switch

FC switch

WAN switch

87. What advantages does the Huawei 2000 V3 offer to get the most out of fixed investments lower prices motivate customers to buy our products, and achieve project success?

Among 32 GB products, the OceanStor 2200 V3 supports the leading gateway-free converged active-active solution for SAN/NA

Among 32 and 64 GB products, the OceanStor 2200 and 2600 offer commercial advantages.

Among 32 and 64 GB products, the OceanStor 2200 and 2600 offer the most-comprehensive functions.

Among 64 GB products, the OceanStor 2600 V3 supports the leading gateway-free converged active-active solution for SAN/NA

88. 4-in-1 means that 4 protocols are integrated into 1 OceanStor 100D storage system for unified management.

Which 4 protocols are involved?

Block

HDFS

File

Object

NDMP

89. What are vertical industries that require OceanStor distributed storage?

Enterprise

Carrier

Finance

Security

Government

90. What are the major differences between distributed storage and centralized storage?

The distributed architecture facilitates capacity expansion and reduction and eliminates data migration.

Distributed storage is applicable to cloud storage resource pools. content repository, archiving. and big data storage.

Distributed storage features high elasticity and scalability accelerating service rollout.

Distributed storage uses general-purpose servers as storage hardware for unified management

Page 10 of 11

91. The Dorado V3 supports post-process compression. Data can be compressed after it is written into an SSD.

TRUE

FALSE

92. You can migrate data from the Dorado V3 to traditional storage.

TRUE

FALSE

93. The OceanStor 2200 V3 supports SAS host ports.

TRUE

FALSE

94. Smart Virtualizaion enables unified management for heterogeneous storage resources.

TRUE

FALSE

95. OceanStor Dorado 3000 V3 supports both SAN and NAS.

TRUE

FALSE

96. The OceanStor 2200 V3 does not support scale-out.

TRUE

FALSE

97. The OceanStor 2200 V3 supports HyperCopy and HyperSnap, which are both included in the basic software suite.

TRUE

FALSE

98. The OceanStor 2200 V3 is an entry-level storage product of Huawei. It with 32 GB cache supports both SAN and NAS.

TRUE

FALSE

99. If partners violate cyber security requirements stipulated in the agreements, Huawei is entitled to revoke the license and authorization in the agreen terminate the agreements.

TRUE

FALSE

100. The OceanStor 2200 V3 does not support iSCSI and FC host ports in a single device.

TRUE

FALSE

Page 11 of 11

101. The Dorado V3 supports NVMe SSDs.

TRUE

FALSE

102. The Dorado V3 supports the HyperMetro solution.

TRUE

FALSE

103. What is the maximum number of I/O cards supported by the OceanStor 2200 V3?

104. Which of the following statements about the OceanStor V5 SmartCache is true?

Write caches are supported.

Read caches are supported.

Both read and write caches are supported.

Not related to read/write caches

105. Which is NOT a front-end port of the Dorado V3?

8 Gbit/s FC,16 Gbit/s FC, and 32 Gbit/s FC

40 Gbit/s InfiniBand

56 Gbit/s InfiniBand

10 Gbit/s iSCSI, 25Gbit/s iSCSL,40 Gbit/s iSCSI, and 100 Gbit/s iSCSI

106. What is the maximum IOPS the Dorado V3 can achieve?

3 million IOPS

4 million IOPS

6 million IOPS

7 million IOPS

107. Which of the following statements about the interconnection between Huawei storage systems using OceanStor OS is false?

Between different types: Interconnection between OceanStor Dorado, FV5, and V5

Between different models: OceanStor mission-critical, mid-range, and entry-level storage systems

Between different generations: OceanStor V5, OceanStor V3

Between different vendors: Huawei, EMC, and HDS

108. How much time is needed for the Dorado V3 to reconstruct 1 TB of data?

0.5 hour

1 hours

2 hours

3 hours

109. What is the full name of WORM?

Write once, read many

Write many, read once

Write many: read many

110. What is the function of a BBU?

System power supply

Heat dissipation

Power failure protection