H13-622-ENU Online Training Archives

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Page 1 of 9

1. Huawei OceanStor 9000 (30) infoEqualizer function is limited by the license. It includes application dynamic domain name, static domain name and partition function. It supports the scheduling of load in round-robin manner.

TRUE

FALSE

2. When visiting OceanStor SystemReporter reporting tool, you need to enter https ： //IP ： 8088 ： in your browser's address bar, where IP is the service management IP address of the OceanStor 9001 system.

TRUE

FALSE

3. Huawei Oceanspace 9000 software version offline upgrade process will interrupt the business operation, business interruption time depends on the upgrade execution time.

TRUE

FALSE

4. Which of the following is not characteristics of Huawei WushanFS file system?

Performance and capacity can be expanded separately.

fully symmetric distributed architecture, there are metadata nodes.

Metadata is evenly distributed, eliminating the performance bottleneck of metadata nodes.

Support 40PB single file system.

5. There is a user using quota type for capacity quota, the quota way for mandatory quota, the user uses the capacity of the proposed threshold of 3GB, soft threshold of 4GB, hardware threshold is 6GB, grace time for 10 days, which of the following description is not correct?

When the user reaches 3GB of storage space, the system will not report an alarm and the user can continue to write.

When the user has used 5GB of storage space, and the storage capacity has been over 4GB for 11 days, the user will be limited to write data.

When the user has used 4GB of storage space, the system will report an alarm and do not limit data writing during the grace period.

When the user has used 6GB of storage space, system will ban writing data.

6. Which of the following description about WushanSQL is wrong?

Wushan SQL in the various nodes to share with each other CPU, memory, storage and other system resources.

In Wushan SQL, the business data is scattered to store in a number of physical nodes,the data analysis tasks are pushed to the data node to implement.

Wushan SQL need through the control module to coordinate to complete the mass data processing work.

All the business data in Wushan SQL are redundantly stored in different storage nodes.

7. Which of the following description about OceanStor 9000 global cache is incorrect?

The memory space on all storage servers logically forms a unified memory resource pool.

Data that is cached on any of the storage servers, can be hit in the global cache when any subsequent storage server receives access to the data request.

All the user data in the entire cluster system will only cache a copy.

The global cache will cache data and its calibration data.

8. OceanStor 9000 uses Erasure code technology to protect the data, if a bureau point has seven nodes, and customers want disk utilization to reach at least 70%, then which redundancy protection level can you use? (Multiple choice)

6+1

4+2

6+4

12+2:1

9. In the OceanStor 9000 storage system, configure Info Allocator hard capacity quota respectively of 1GB and 2GB for the directory A and its subdirectories B, which of the following statement is correct? (Multiple choice)

A. The maximum writeable 2GB of data in directory B.

B. The maximum writeable 1GB of data in directory B.

C. The maximum writeable 2GB of data in directory A.

D. The maximum writeable 1GB of data in directory A.

10. Which of the following statement about N85000 CIFS share is correct? (Multiple choice)

If you do not need to distinguish limit access to shared directory users, you can choose normal share.

If you do not need to distinguish limit access to shared directory users, you can choose homedir share.

In normal mode, clients can only by a VIP access to share.

Compared to the normal mode, cluster mode data reliability is higher, but performance is lower.

Page 2 of 9

11. Between Huawei N8000 (V200R001) cluster NAS two nodes, which road redundancy is between the heartbeat link?

12. During maintenance of the Huawei OceanStor 9000 system, need special custody system root password. Passwords should be encrypted when transmission,As far as possible to avoid transferring passwords through email.

TRUE

FALSE

13. Which authentication methods does Huawei OceanStor 9000 CIFS share support? (Multiple choice)

Local user authentication

AD domain user authentication

NIS domain authentication

LDAP authentication

14. In the node type of OceanStor 9000, the node that does not need to be considered for the IPMI management network is the C72 node.

TRUE

FALSE

15. A user with SystemReporter analyze its production equipment OceanStor 9000 found within a partition partial nodes CPU utilization rate of more than 80%, but the average CPU utilization of about 50%, also found a node read and write bandwidth is always maintained over 80% in the performance specifications, and other nodes are below 60%, under this scenario, which of the following load balancing strategy is recommended to use?

Rotation mode

By CPU usage

By Node throughput

By node synthesis load

16. In the era of large data in all walks of life in the process of data processing will encounter challenges, what challenges will the public security criminal investigation industry encounter? (Multiple choice)

large number of videos and manual operation, time-consuming

poor real-time analysis ability, impact the detection speed.

The image format is not uniform, the query efficiency is low.

Data decentralization, lack of effective data sharing.

17. Which of the following types does Huawei OceanStor 9000 provided nodes include?

High-performance storage nodes

Large-capacity archive node

Data storage node

Data processing node

18. Scale-out is a horizontally extended architecture, this kind of architecture is mainly deal with the rapid growth of data and complex changes in demand and challenges.

which of the following options does Scale-out architecture features include? (Multiple choice)

Distribution processing

Online extension

Data sharing

Clustering

19. In the OceanStor 9000 system, if a node fails due to power supply module, offline 2 days later, back to normal again, If the administrator does not perform data recovery for the node manually, the system will automatically update the data of the offline time to the normal node.

TRUE

FALSE

20. The following command about switch-side detection network. The first description is: display interface command can be used to view the statistics of the interface and to check switches whether record interface packet loss. The second description is: display logbuf, if you see the switch in a large number of stp forwarding and discarding, to focus on whether there is a loop of back-end networking.

Which of the two statements above is correct?

Both descriptions are correct.

The first one is correct, the second is wrong.

The first one is wrong, the second is correct.

Both are wrong.

Page 3 of 9

21. Which of the following technologies can be used to manage the N8500 NFS shared security access? (Multiple Choice)

NIS

LDAP

Homedir

22. Which of the following statements about OceanStor 9000 maintenance is incorrect?

The system provides the admin (super administrator) account by default, and the administrator account is not allowed to be deleted.

Only the super-admin user can execute the create system user command to create the user.

View all account information can use command cat/etc/passwd.

The ps -ef command checks the TCP service/port.

23. Huawei OceanStor 9000 through WushanSQL to achieve unstructured data storage, through Fusion Insight to complete the data analysis.

TRUE

FALSE

24. In a city, if the city public security bureau needs to regularly archive the video monitoring in each police station area, in such an application scenario, if using the solution provided by OceanStor 9000 VlRlC30, what kind of node type should the customer be recommended to use?

P12 node

P24 node

P36 node

P72 node

C36 node

25. The application scenarios of Huawei OceanStor 9000 InfoReplicator features include: ( ). (Multiple choice)

Business disaster recovery

Data distribution

SPISlave data access

26. In Huawei OceanStor9000 storage system, when an InfoReplicator Pair in a split state, which of the following statement is not correct?

Pair split occurs, possibe reason is temporary link abnormity or network bandwidth expansion.

the Pair at both ends of the specified directory of master-slave relationship remains the same.

When the Pair is resynchronized, the last synchronization due to split operations causes the difference data not to be copied to the directory and the synchronized data to be resynchronized.

27. In Huawei OceanStor 9000 system, if the client access storage system with the condition of the uneven distribution of nodes, after the partition is re-adjusted, the shared directory needs to be uninstalled in each client and remounted with the assigned domain name.

TRUE

FALSE

28. If the room is a third-party cabinet, then the third-party cabinet inspection include: ( ). (Multiple choice)

Room floor load-bearing

Cabinet parameters

Cabinet power supply system

29. In the visit to Huawei OceanStor9000 cluster LINUX client, client parameters can be adjusted to improve the access performance, which of the following description is wrong?

NFS using TCP protocol to send and receive data, an appropriate increase in the size of the cache can speed up the TCP transmission speed.

Open jumbo frame can reduce TCP loss, improve performance. The premise is to make sure that all network devices from OceanStor 9000 front-end network interface to the client interface support jumbo frames.

OceanStor 9000 support jumbo frames, all the corresponding OceanStor 9000 nodes need to be set up.

Oceanspace 9000 supports jumbo frames, all front-end and back-end business network ethernet port MTU need to be set.

30. In Huawei OceanStor 9000 software modules, which is belong to distributed object storage layer, rather than distributed file system layer? (Multiple choice)

OBS (Object-Based Store)

MDS (MetaData Service)

Disk K-V Store

CA (Client Agent)

PVS (Protocol and Value-added Service)

Page 4 of 9

31. Huawei OceanStor 9000 (30) infoEqualizer function is limited by the license. It includes application dynamic domain name, static domain name and partition function. It supports the scheduling of load in round-robin manner.

TRUE

FALSE

32. When visiting OceanStor SystemReporter reporting tool, you need to enter https ： //IP ： 8088 ： in your browser's address bar, where IP is the service management IP address of the OceanStor 9001 system.

TRUE

FALSE

33. Huawei Oceanspace 9000 software version offline upgrade process will interrupt the business operation, business interruption time depends on the upgrade execution time.

TRUE

FALSE

34. Which of the following is not characteristics of Huawei WushanFS file system?

Performance and capacity can be expanded separately.

fully symmetric distributed architecture, there are metadata nodes.

Metadata is evenly distributed, eliminating the performance bottleneck of metadata nodes.

Support 40PB single file system.

35. There is a user using quota type for capacity quota, the quota way for mandatory quota, the user uses the capacity of the proposed threshold of 3GB, soft threshold of 4GB, hardware threshold is 6GB, grace time for 10 days, which of the following description is not correct?

When the user reaches 3GB of storage space, the system will not report an alarm and the user can continue to write.

When the user has used 5GB of storage space, and the storage capacity has been over 4GB for 11 days, the user will be limited to write data.

When the user has used 4GB of storage space, the system will report an alarm and do not limit data writing during the grace period.

When the user has used 6GB of storage space, system will ban writing data.

36. Which of the following description about WushanSQL is wrong?

Wushan SQL in the various nodes to share with each other CPU, memory, storage and other system resources.

In Wushan SQL, the business data is scattered to store in a number of physical nodes,the data analysis tasks are pushed to the data node to implement.

Wushan SQL need through the control module to coordinate to complete the mass data processing work.

All the business data in Wushan SQL are redundantly stored in different storage nodes.

37. Which of the following description about OceanStor 9000 global cache is incorrect?

The memory space on all storage servers logically forms a unified memory resource pool.

Data that is cached on any of the storage servers, can be hit in the global cache when any subsequent storage server receives access to the data request.

All the user data in the entire cluster system will only cache a copy.

The global cache will cache data and its calibration data.

38. OceanStor 9000 uses Erasure code technology to protect the data, if a bureau point has seven nodes, and customers want disk utilization to reach at least 70%, then which redundancy protection level can you use? (Multiple choice)

6+1

4+2

6+4

12+2:1

39. In the OceanStor 9000 storage system, configure Info Allocator hard capacity quota respectively of 1GB and 2GB for the directory A and its subdirectories B, which of the following statement is correct? (Multiple choice)

A. The maximum writeable 2GB of data in directory B.

B. The maximum writeable 1GB of data in directory B.

C. The maximum writeable 2GB of data in directory A.

D. The maximum writeable 1GB of data in directory A.

40. Which of the following statement about N85000 CIFS share is correct? (Multiple choice)

If you do not need to distinguish limit access to shared directory users, you can choose normal share.

If you do not need to distinguish limit access to shared directory users, you can choose homedir share.

In normal mode, clients can only by a VIP access to share.

Compared to the normal mode, cluster mode data reliability is higher, but performance is lower.

Page 5 of 9

41. Between Huawei N8000 (V200R001) cluster NAS two nodes, which road redundancy is between the heartbeat link?

42. During maintenance of the Huawei OceanStor 9000 system, need special custody system root password. Passwords should be encrypted when transmission,As far as possible to avoid transferring passwords through email.

TRUE

FALSE

43. Which authentication methods does Huawei OceanStor 9000 CIFS share support? (Multiple choice)

Local user authentication

AD domain user authentication

NIS domain authentication

LDAP authentication

44. In the node type of OceanStor 9000, the node that does not need to be considered for the IPMI management network is the C72 node.

TRUE

FALSE

45. A user with SystemReporter analyze its production equipment OceanStor 9000 found within a partition partial nodes CPU utilization rate of more than 80%, but the average CPU utilization of about 50%, also found a node read and write bandwidth is always maintained over 80% in the performance specifications, and other nodes are below 60%, under this scenario, which of the following load balancing strategy is recommended to use?

Rotation mode

By CPU usage

By Node throughput

By node synthesis load

46. In the era of large data in all walks of life in the process of data processing will encounter challenges, what challenges will the public security criminal investigation industry encounter? (Multiple choice)

large number of videos and manual operation, time-consuming

poor real-time analysis ability, impact the detection speed.

The image format is not uniform, the query efficiency is low.

Data decentralization, lack of effective data sharing.

47. Which of the following types does Huawei OceanStor 9000 provided nodes include?

High-performance storage nodes

Large-capacity archive node

Data storage node

Data processing node

48. Scale-out is a horizontally extended architecture, this kind of architecture is mainly deal with the rapid growth of data and complex changes in demand and challenges.

which of the following options does Scale-out architecture features include? (Multiple choice)

Distribution processing

Online extension

Data sharing

Clustering

49. In the OceanStor 9000 system, if a node fails due to power supply module, offline 2 days later, back to normal again, If the administrator does not perform data recovery for the node manually, the system will automatically update the data of the offline time to the normal node.

TRUE

FALSE

50. The following command about switch-side detection network. The first description is: display interface command can be used to view the statistics of the interface and to check switches whether record interface packet loss. The second description is: display logbuf, if you see the switch in a large number of stp forwarding and discarding, to focus on whether there is a loop of back-end networking.

Which of the two statements above is correct?

Both descriptions are correct.

The first one is correct, the second is wrong.

The first one is wrong, the second is correct.

Both are wrong.

Page 6 of 9

51. Which of the following technologies can be used to manage the N8500 NFS shared security access? (Multiple Choice)

NIS

LDAP

Homedir

52. Which of the following statements about OceanStor 9000 maintenance is incorrect?

The system provides the admin (super administrator) account by default, and the administrator account is not allowed to be deleted.

Only the super-admin user can execute the create system user command to create the user.

View all account information can use command cat/etc/passwd.

The ps -ef command checks the TCP service/port.

53. Huawei OceanStor 9000 through WushanSQL to achieve unstructured data storage, through Fusion Insight to complete the data analysis.

TRUE

FALSE

54. In a city, if the city public security bureau needs to regularly archive the video monitoring in each police station area, in such an application scenario, if using the solution provided by OceanStor 9000 VlRlC30, what kind of node type should the customer be recommended to use?

P12 node

P24 node

P36 node

P72 node

C36 node

55. The application scenarios of Huawei OceanStor 9000 InfoReplicator features include: ( ). (Multiple choice)

Business disaster recovery

Data distribution

SPISlave data access

56. In Huawei OceanStor9000 storage system, when an InfoReplicator Pair in a split state, which of the following statement is not correct?

Pair split occurs, possibe reason is temporary link abnormity or network bandwidth expansion.

the Pair at both ends of the specified directory of master-slave relationship remains the same.

When the Pair is resynchronized, the last synchronization due to split operations causes the difference data not to be copied to the directory and the synchronized data to be resynchronized.

57. In Huawei OceanStor 9000 system, if the client access storage system with the condition of the uneven distribution of nodes, after the partition is re-adjusted, the shared directory needs to be uninstalled in each client and remounted with the assigned domain name.

TRUE

FALSE

58. If the room is a third-party cabinet, then the third-party cabinet inspection include: ( ). (Multiple choice)

Room floor load-bearing

Cabinet parameters

Cabinet power supply system

59. In the visit to Huawei OceanStor9000 cluster LINUX client, client parameters can be adjusted to improve the access performance, which of the following description is wrong?

NFS using TCP protocol to send and receive data, an appropriate increase in the size of the cache can speed up the TCP transmission speed.

OceanStor 9000 support jumbo frames, all the corresponding OceanStor 9000 nodes need to be set up.

Oceanspace 9000 supports jumbo frames, all front-end and back-end business network ethernet port MTU need to be set.

60. In Huawei OceanStor 9000 software modules, which is belong to distributed object storage layer, rather than distributed file system layer? (Multiple choice)

OBS (Object-Based Store)

MDS (MetaData Service)

Disk K-V Store

CA (Client Agent)

PVS (Protocol and Value-added Service)

Page 7 of 9

61. Huawei OceanStor 9000 (30) infoEqualizer function is limited by the license. It includes application dynamic domain name, static domain name and partition function. It supports the scheduling of load in round-robin manner.

TRUE

FALSE

62. When visiting OceanStor SystemReporter reporting tool, you need to enter https ： //IP ： 8088 ： in your browser's address bar, where IP is the service management IP address of the OceanStor 9001 system.

TRUE

FALSE

63. Huawei Oceanspace 9000 software version offline upgrade process will interrupt the business operation, business interruption time depends on the upgrade execution time.

TRUE

FALSE

64. Which of the following is not characteristics of Huawei WushanFS file system?

Performance and capacity can be expanded separately.

fully symmetric distributed architecture, there are metadata nodes.

Metadata is evenly distributed, eliminating the performance bottleneck of metadata nodes.

Support 40PB single file system.

65. There is a user using quota type for capacity quota, the quota way for mandatory quota, the user uses the capacity of the proposed threshold of 3GB, soft threshold of 4GB, hardware threshold is 6GB, grace time for 10 days, which of the following description is not correct?

When the user reaches 3GB of storage space, the system will not report an alarm and the user can continue to write.

When the user has used 5GB of storage space, and the storage capacity has been over 4GB for 11 days, the user will be limited to write data.

When the user has used 4GB of storage space, the system will report an alarm and do not limit data writing during the grace period.

When the user has used 6GB of storage space, system will ban writing data.

66. Which of the following description about WushanSQL is wrong?

Wushan SQL in the various nodes to share with each other CPU, memory, storage and other system resources.

In Wushan SQL, the business data is scattered to store in a number of physical nodes,the data analysis tasks are pushed to the data node to implement.

Wushan SQL need through the control module to coordinate to complete the mass data processing work.

All the business data in Wushan SQL are redundantly stored in different storage nodes.

67. Which of the following description about OceanStor 9000 global cache is incorrect?

The memory space on all storage servers logically forms a unified memory resource pool.

Data that is cached on any of the storage servers, can be hit in the global cache when any subsequent storage server receives access to the data request.

All the user data in the entire cluster system will only cache a copy.

The global cache will cache data and its calibration data.

68. OceanStor 9000 uses Erasure code technology to protect the data, if a bureau point has seven nodes, and customers want disk utilization to reach at least 70%, then which redundancy protection level can you use? (Multiple choice)

6+1

4+2

6+4

12+2:1

69. In the OceanStor 9000 storage system, configure Info Allocator hard capacity quota respectively of 1GB and 2GB for the directory A and its subdirectories B, which of the following statement is correct? (Multiple choice)

A. The maximum writeable 2GB of data in directory B.

B. The maximum writeable 1GB of data in directory B.

C. The maximum writeable 2GB of data in directory A.

D. The maximum writeable 1GB of data in directory A.

70. Which of the following statement about N85000 CIFS share is correct? (Multiple choice)

If you do not need to distinguish limit access to shared directory users, you can choose normal share.

If you do not need to distinguish limit access to shared directory users, you can choose homedir share.

In normal mode, clients can only by a VIP access to share.

Compared to the normal mode, cluster mode data reliability is higher, but performance is lower.

Page 8 of 9

71. Between Huawei N8000 (V200R001) cluster NAS two nodes, which road redundancy is between the heartbeat link?

72. During maintenance of the Huawei OceanStor 9000 system, need special custody system root password. Passwords should be encrypted when transmission,As far as possible to avoid transferring passwords through email.

TRUE

FALSE

73. Which authentication methods does Huawei OceanStor 9000 CIFS share support? (Multiple choice)

Local user authentication

AD domain user authentication

NIS domain authentication

LDAP authentication

74. In the node type of OceanStor 9000, the node that does not need to be considered for the IPMI management network is the C72 node.

TRUE

FALSE

75. A user with SystemReporter analyze its production equipment OceanStor 9000 found within a partition partial nodes CPU utilization rate of more than 80%, but the average CPU utilization of about 50%, also found a node read and write bandwidth is always maintained over 80% in the performance specifications, and other nodes are below 60%, under this scenario, which of the following load balancing strategy is recommended to use?

Rotation mode

By CPU usage

By Node throughput

By node synthesis load

76. In the era of large data in all walks of life in the process of data processing will encounter challenges, what challenges will the public security criminal investigation industry encounter? (Multiple choice)

large number of videos and manual operation, time-consuming

poor real-time analysis ability, impact the detection speed.

The image format is not uniform, the query efficiency is low.

Data decentralization, lack of effective data sharing.

77. Which of the following types does Huawei OceanStor 9000 provided nodes include?

High-performance storage nodes

Large-capacity archive node

Data storage node

Data processing node

78. Scale-out is a horizontally extended architecture, this kind of architecture is mainly deal with the rapid growth of data and complex changes in demand and challenges.

which of the following options does Scale-out architecture features include? (Multiple choice)

Distribution processing

Online extension

Data sharing

Clustering

79. In the OceanStor 9000 system, if a node fails due to power supply module, offline 2 days later, back to normal again, If the administrator does not perform data recovery for the node manually, the system will automatically update the data of the offline time to the normal node.

TRUE

FALSE

80. The following command about switch-side detection network. The first description is: display interface command can be used to view the statistics of the interface and to check switches whether record interface packet loss. The second description is: display logbuf, if you see the switch in a large number of stp forwarding and discarding, to focus on whether there is a loop of back-end networking.

Which of the two statements above is correct?

Both descriptions are correct.

The first one is correct, the second is wrong.

The first one is wrong, the second is correct.

Both are wrong.

Page 9 of 9

81. Which of the following technologies can be used to manage the N8500 NFS shared security access? (Multiple Choice)

NIS

LDAP

Homedir

82. Which of the following statements about OceanStor 9000 maintenance is incorrect?

The system provides the admin (super administrator) account by default, and the administrator account is not allowed to be deleted.

Only the super-admin user can execute the create system user command to create the user.

View all account information can use command cat/etc/passwd.

The ps -ef command checks the TCP service/port.

83. Huawei OceanStor 9000 through WushanSQL to achieve unstructured data storage, through Fusion Insight to complete the data analysis.

TRUE

FALSE

84. In a city, if the city public security bureau needs to regularly archive the video monitoring in each police station area, in such an application scenario, if using the solution provided by OceanStor 9000 VlRlC30, what kind of node type should the customer be recommended to use?

P12 node

P24 node

P36 node

P72 node

C36 node

85. The application scenarios of Huawei OceanStor 9000 InfoReplicator features include: ( ). (Multiple choice)

Business disaster recovery

Data distribution

SPISlave data access

86. In Huawei OceanStor9000 storage system, when an InfoReplicator Pair in a split state, which of the following statement is not correct?

Pair split occurs, possibe reason is temporary link abnormity or network bandwidth expansion.

the Pair at both ends of the specified directory of master-slave relationship remains the same.

When the Pair is resynchronized, the last synchronization due to split operations causes the difference data not to be copied to the directory and the synchronized data to be resynchronized.

87. In Huawei OceanStor 9000 system, if the client access storage system with the condition of the uneven distribution of nodes, after the partition is re-adjusted, the shared directory needs to be uninstalled in each client and remounted with the assigned domain name.

TRUE

FALSE

88. If the room is a third-party cabinet, then the third-party cabinet inspection include: ( ). (Multiple choice)

Room floor load-bearing

Cabinet parameters

Cabinet power supply system

89. In the visit to Huawei OceanStor9000 cluster LINUX client, client parameters can be adjusted to improve the access performance, which of the following description is wrong?

NFS using TCP protocol to send and receive data, an appropriate increase in the size of the cache can speed up the TCP transmission speed.

OceanStor 9000 support jumbo frames, all the corresponding OceanStor 9000 nodes need to be set up.

Oceanspace 9000 supports jumbo frames, all front-end and back-end business network ethernet port MTU need to be set.

90. In Huawei OceanStor 9000 software modules, which is belong to distributed object storage layer, rather than distributed file system layer? (Multiple choice)

OBS (Object-Based Store)

MDS (MetaData Service)

Disk K-V Store

CA (Client Agent)

PVS (Protocol and Value-added Service)