Question 1

Which of the following statements about the software installation of the OceanStor 9000 are correct? (Select two.)

Accepted Answer

A)  Before installing software, configure switches on the back-end storage network and the management network. 
B)  The OceanStor Toolkit must be installed on all storage nodes. 
C)  The OceanStor SystemReporter can be installed on any Windows server with qualified hardware and software. 
D)  You must purchase a license for the OceanStor SystemReporter. 
A)  Before installing software, configure switches on the back-end storage network and the management network. 
B)  The OceanStor Toolkit must be installed on all storage nodes. 
C)  The OceanStor SystemReporter can be installed on any Windows server with qualified hardware and software. 
D)  You must purchase a license for the OceanStor SystemReporter.

Question 2

Which of the following service ports are provided by an N8500 clustered NAS system? (Select two.)

Accepted Answer

A)  GE 
B)  10GE 
C)  Fibre Channel 
D)  SAS 
A)  GE 
B)  10GE 
C)  Fibre Channel 
D)  SAS

Question 3

Which of the following statements about intelligent load balancing implemented by Huawei OceanStor 9000 are true? (Choose all that apply.)

Accepted Answer

A)  Load balancing automatically implemented among 
B)  Automatic balancing of capacity and performance 
C)  Free from manual intervention 
D)  Transparent to applications 
E)  None of the above 
A)  Load balancing automatically implemented among 
B)  Automatic balancing of capacity and performance 
C)  Free from manual intervention 
D)  Transparent to applications 
E)  None of the above

Question 4

Which feature of Huawei OceanStor 9000 can provide file system snapshots?

Accepted Answer

A)  InfoLocker 
B)  InfoStamper 
C)  InfoProtector 
D)  InfoEqualizer 
A)  InfoLocker 
B)  InfoStamper 
C)  InfoProtector 
D)  InfoEqualizer

Question 5

Which of the following are the APIs supported by HDFS Plugin? (Choose all that apply.)

Accepted Answer

A)  Shell API 
B)  API 
C)  HTTP REST API 
D)  Java API 
A)  Shell API 
B)  API 
C)  HTTP REST API 
D)  Java API

Question 6

Which of the following statements about management ports on C72 nodes are correct? (Choose all that apply.)

Accepted Answer

A)  When the OceanStor 9000 cluster contains only C72 nodes and the number of C72 nodes is not smaller than three, each controller module A of the first three nodes provides one NIC0 port as the management port. 
B)  When the C72 nodes and the non-C72 nodes are deployed together, you can select C72 nodes to provide independent management network ports. 
C)  When the C72 nodes and the non-C72 nodes are deployed together and applied to object storage service, only the node that provides independent management network ports can serve as an object storage management node. 
D)  When deploying a storage cluster, you need to separately assign an IP address to port NIC0 on the C72 node in the cluster. 
A)  When the OceanStor 9000 cluster contains only C72 nodes and the number of C72 nodes is not smaller than three, each controller module A of the first three nodes provides one NIC0 port as the management port. 
B)  When the C72 nodes and the non-C72 nodes are deployed together, you can select C72 nodes to provide independent management network ports. 
C)  When the C72 nodes and the non-C72 nodes are deployed together and applied to object storage service, only the node that provides independent management network ports can serve as an object storage management node. 
D)  When deploying a storage cluster, you need to separately assign an IP address to port NIC0 on the C72 node in the cluster.

Question 7

Which of the following statements about the CIFS protocol are true? (Choose all that apply.)

Accepted Answer

A)  CIFS transmits data based on TCP. 
B)  CIFS transmits data based on UDP. 
C)  CIFS is a file sharing protocol used in Linux. 
D)  CIFS is a file sharing protocol used in Windows. 
A)  CIFS transmits data based on TCP. 
B)  CIFS transmits data based on UDP. 
C)  CIFS is a file sharing protocol used in Linux. 
D)  CIFS is a file sharing protocol used in Windows.

Question 8

Which of the following statements about the InfoLink feature of the OceanStor 9000 are correct? (Select two.)

Accepted Answer

A)  If clients attempt to access the OceanStor 9000 using domain names, the InfoLink license must be activated. 
B)  If clients attempt to access the OceanStor 9000 using domain names, a DNS server must be configured. 
C)  If a node becomes faulty, the system provides the failover function. This function does not need the InfoLink license to be activated. 
D)  After the InfoLink license is activated, the system balances loads based on round robin, CPU usage, number of node connections, node throughput, and comprehensive node loads. 
A)  If clients attempt to access the OceanStor 9000 using domain names, the InfoLink license must be activated. 
B)  If clients attempt to access the OceanStor 9000 using domain names, a DNS server must be configured. 
C)  If a node becomes faulty, the system provides the failover function. This function does not need the InfoLink license to be activated. 
D)  After the InfoLink license is activated, the system balances loads based on round robin, CPU usage, number of node connections, node throughput, and comprehensive node loads.

Question 9

A storage cluster has five P36 nodes and adopts 10GE networks at the front back ends. The front-end service network provides two 10GE ports. When distributed file system service and object storage service are both deployed on nodes, how many IP addresses should be planned for the front-end service network?

Accepted Answer

A)  11 
B)  21 
C)  31 
D)  41 
A)  11 
B)  21 
C)  31 
D)  41

Question 10

Which are the possible causes for file read/write performance decrease? (Select three)

Accepted Answer

A)  A slow disk or bad sector exists, 
B)  The Fibre Channel port has a high bit error rate. 
C)  The LUN has been set to write back. 
D)  The prefetch policy does not apply to service data changes. 
A)  A slow disk or bad sector exists, 
B)  The Fibre Channel port has a high bit error rate. 
C)  The LUN has been set to write back. 
D)  The prefetch policy does not apply to service data changes.

Question 11

Which of the following statements about the principle of the file system snapshot feature provided by an N8500 clustered NAS system are correct? (Select two)

Accepted Answer

A)  When a snapshot is created, a block mapping pointing to the data on the file system is generated. 
B)  If an original data block needs to be replaced for the first time, the new data block is copied to the snapshot reservation area. 
C)  If an original data block is replaced for the first time, the block mapping in the snapshot points to the data block in the snapshot reservation area. 
D)  If a data block that has replaced an original data block needs to be replaced by a new data block, the new data block is copied to the snapshot reservation area. 
A)  When a snapshot is created, a block mapping pointing to the data on the file system is generated. 
B)  If an original data block needs to be replaced for the first time, the new data block is copied to the snapshot reservation area. 
C)  If an original data block is replaced for the first time, the block mapping in the snapshot points to the data block in the snapshot reservation area. 
D)  If a data block that has replaced an original data block needs to be replaced by a new data block, the new data block is copied to the snapshot reservation area.

Question 12

An NS500 clustered NIAS system provides file system sharing. Which of the following statements about the N8500's file system mechanism and related features are correct? (Select three)

Accepted Answer

A)  The N8500 clustered file system VxFS is not a log file system, and it supports a capacity of over 2 TB. 
B)  The file system snapshot feature employs the copy-on-write mechanism and shares the storage space of partitions or volumes with other file sets. 
C)  The snapshots provided by the N8500 are based on the file system level. 
D)  File system snapshot, mirroring, and replication are implemented based on storage checkpoints. 
A)  The N8500 clustered file system VxFS is not a log file system, and it supports a capacity of over 2 TB. 
B)  The file system snapshot feature employs the copy-on-write mechanism and shares the storage space of partitions or volumes with other file sets. 
C)  The snapshots provided by the N8500 are based on the file system level. 
D)  File system snapshot, mirroring, and replication are implemented based on storage checkpoints.

Question 13

Which of the following statements about the InfoLocker feature of Huawei OceanStor 9000 is false?

Accepted Answer

A)  WORM files can be modified and deleted. 
B)  A WORM clock can be set only once, and it cannot be modified later. 
C)  If a directory is configured as a WORM root directory, all existing subdirectories as well as newly created subdirectories and files under the directory automatically obtain as a WORM attributes of the directory. 
D)  WORM protection can be submitted only in an automatic manner. 
A)  WORM files can be modified and deleted. 
B)  A WORM clock can be set only once, and it cannot be modified later. 
C)  If a directory is configured as a WORM root directory, all existing subdirectories as well as newly created subdirectories and files under the directory automatically obtain as a WORM attributes of the directory. 
D)  WORM protection can be submitted only in an automatic manner.

Question 14

Which components of an N8500 clustered NAS system reside in the user space? (Select two)

Accepted Answer

A)  File system layer 
B)  Application layer 
C)  User management 
D)  Operating system layer 
A)  File system layer 
B)  Application layer 
C)  User management 
D)  Operating system layer

Question 15

The roadmap of big technology evolution is as follows: from distributed storage to cloud storage and from intelligent analysis to distributed analysis.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following statements about AK/SK authentication process is incorrect?

Accepted Answer

A)  When a user sends a data request, the OceanStor 9000 uses the hash-based message authentication code HMAC algorithm to encrypt SK and request content, and then generates a signature. 
B)  After receiving the request and signature, the OceanStor 9000 uses AK to query SK. 
C)  After SK is queried, the OceanStor 9000 uses the MDS algorithm to encrypt SK and request content, and then generates a signature. 
D)  The OceanStor 9000 compares the received signature with the one that calculated by the system. If the two signatures are consistent, the authentication succeeds. 
A)  When a user sends a data request, the OceanStor 9000 uses the hash-based message authentication code HMAC algorithm to encrypt SK and request content, and then generates a signature. 
B)  After receiving the request and signature, the OceanStor 9000 uses AK to query SK. 
C)  After SK is queried, the OceanStor 9000 uses the MDS algorithm to encrypt SK and request content, and then generates a signature. 
D)  The OceanStor 9000 compares the received signature with the one that calculated by the system. If the two signatures are consistent, the authentication succeeds.

Question 17

Which are characteristics of the FTP service provided by Huawei OceanStor 9000? (Choose all that apply.)

Accepted Answer

A)  The objects shared by the FTP service are directories, and such a shared directory is accessible to multiple clients. 
B)  Load balancing is implemented based on the states of services and nodes. Data access requests are evenly distributed in the cluster. 
C)  The sharing service is provided by a cluster. Nodes in the cluster can monitor the service of each other. 
D)  The FTP service is compatible with a wide range of operating systems, allowing file resource sharing in a heterogeneous network environment. 
E)  None of the above 
A)  The objects shared by the FTP service are directories, and such a shared directory is accessible to multiple clients. 
B)  Load balancing is implemented based on the states of services and nodes. Data access requests are evenly distributed in the cluster. 
C)  The sharing service is provided by a cluster. Nodes in the cluster can monitor the service of each other. 
D)  The FTP service is compatible with a wide range of operating systems, allowing file resource sharing in a heterogeneous network environment. 
E)  None of the above

Question 18

Which of the following statements about the InfoQuota feature of the OceanStor 9000 are correct? (Select three.)

Accepted Answer

A)  Quotas can be set based on users. 
B)  Quotas can be set based on user groups. 
C)  Quotas can be set for file directories. 
D)  Quotas can be set for files. 
A)  Quotas can be set based on users. 
B)  Quotas can be set based on user groups. 
C)  Quotas can be set for file directories. 
D)  Quotas can be set for files.

Question 19

The 10GE networking of an OceanStor 9000 uses a CE6850-48S4Q-EI switch. Which of the following statements about the switch are correct? (Select two)

Accepted Answer

A)  The switch supports a maximum of 32 10GE 5FP+ Ethernet optical ports. 
B)  The switch supports four 40GE QSFP+ Ethernet optical ports. 
C)  The 10GE ports on the switch can be used for interconnection between downstream storage nodes or connection between storage nodes and the upstream service network. 
D)  The 40GE ports are used for switch stacking. 
A)  The switch supports a maximum of 32 10GE 5FP+ Ethernet optical ports. 
B)  The switch supports four 40GE QSFP+ Ethernet optical ports. 
C)  The 10GE ports on the switch can be used for interconnection between downstream storage nodes or connection between storage nodes and the upstream service network. 
D)  The 40GE ports are used for switch stacking.

Question 20

Based on full interconnection of data channels and communication channels, a clustered NAS system employs cluster volume management to manage storage space globally. All nodes in the cluster can access the same storage space using the same volume device name, ensuring block device access consistency.

Accepted Answer

A) True 
 B)False

Which of the following statements about the software installation of the OceanStor 9000 are correct? (Select two.)

Which of the following service ports are provided by an N8500 clustered NAS system? (Select two.)

Which of the following statements about intelligent load balancing implemented by Huawei OceanStor 9000 are true? (Choose all that apply.)

Which feature of Huawei OceanStor 9000 can provide file system snapshots?

Which of the following are the APIs supported by HDFS Plugin? (Choose all that apply.)

Which of the following statements about management ports on C72 nodes are correct? (Choose all that apply.)

Which of the following statements about the CIFS protocol are true? (Choose all that apply.)

Which of the following statements about the InfoLink feature of the OceanStor 9000 are correct? (Select two.)

Which are the possible causes for file read/write performance decrease? (Select three)

Which of the following statements about the principle of the file system snapshot feature provided by an N8500 clustered NAS system are correct? (Select two)

An NS500 clustered NIAS system provides file system sharing. Which of the following statements about the N8500's file system mechanism and related features are correct? (Select three)

Which of the following statements about the InfoLocker feature of Huawei OceanStor 9000 is false?

Which components of an N8500 clustered NAS system reside in the user space? (Select two)

The roadmap of big technology evolution is as follows: from distributed storage to cloud storage and from intelligent analysis to distributed analysis.

Which of the following statements about AK/SK authentication process is incorrect?

Which are characteristics of the FTP service provided by Huawei OceanStor 9000? (Choose all that apply.)

Which of the following statements about the InfoQuota feature of the OceanStor 9000 are correct? (Select three.)

The 10GE networking of an OceanStor 9000 uses a CE6850-48S4Q-EI switch. Which of the following statements about the switch are correct? (Select two)

HCNA-VC (Huawei Certified Network Associate - Video Conference)

HHCIA Routing&Switching

HCNP-R&S-IERN (Huawei Certified Network Professional-Implementing Enterprise Routing Network)

HCNP-R&S-IENPÂ (Huawei Certified Network Professional-Improving Enterprise Network Performance)

HCNP-R&S Fast Track (Huawei Certified Network Professional - Routing & Switching Fast Track)

HCIE-R&S (Written) (Huawei Certified Internetwork Expert-Routing & Switching)

HCNA-Security-CBSN (Huawei Certified Network Associate - Constructing Basic Security Network)

HCNA-Storage-BSSN (Huawei Certified Network Associate - Building the Structure of Storage Network)

HCNA-Storage-BSSN

HCIE-Storage

HCIA-Cloud Service V2.2

Huawei Certified Pre-sales Associate-IP Network(Datacom)-ENU

Huawei Certified Pre-sales Associate - ECC (HCPA-ECC)

HCNA - Carrier IP

HCIP-Cloud Computing-CDSM

HCIA-SDN

Filters

Exam 10: Huawei Certified Network Professional- Constructing Big Data Solution

Which of the following statements about the software installation of the OceanStor 9000 are correct? (Select two.)

Which of the following service ports are provided by an N8500 clustered NAS system? (Select two.)

Which of the following statements about intelligent load balancing implemented by Huawei OceanStor 9000 are true? (Choose all that apply.)

Which feature of Huawei OceanStor 9000 can provide file system snapshots?

Which of the following are the APIs supported by HDFS Plugin? (Choose all that apply.)

Which of the following statements about management ports on C72 nodes are correct? (Choose all that apply.)

Which of the following statements about the CIFS protocol are true? (Choose all that apply.)

Which of the following statements about the InfoLink feature of the OceanStor 9000 are correct? (Select two.)

Which are the possible causes for file read/write performance decrease? (Select three)

Which of the following statements about the principle of the file system snapshot feature provided by an N8500 clustered NAS system are correct? (Select two)

An NS500 clustered NIAS system provides file system sharing. Which of the following statements about the N8500's file system mechanism and related features are correct? (Select three)

Which of the following statements about the InfoLocker feature of Huawei OceanStor 9000 is false?

Which components of an N8500 clustered NAS system reside in the user space? (Select two)

The roadmap of big technology evolution is as follows: from distributed storage to cloud storage and from intelligent analysis to distributed analysis.

Which of the following statements about AK/SK authentication process is incorrect?

Which are characteristics of the FTP service provided by Huawei OceanStor 9000? (Choose all that apply.)

Which of the following statements about the InfoQuota feature of the OceanStor 9000 are correct? (Select three.)

The 10GE networking of an OceanStor 9000 uses a CE6850-48S4Q-EI switch. Which of the following statements about the switch are correct? (Select two)

HCNA-VC (Huawei Certified Network Associate - Video Conference)

HHCIA Routing&Switching

HCNP-R&S-IERN (Huawei Certified Network Professional-Implementing Enterprise Routing Network)

HCNP-R&S-IENPÂ (Huawei Certified Network Professional-Improving Enterprise Network Performance)

HCNP-R&S Fast Track (Huawei Certified Network Professional - Routing & Switching Fast Track)

HCIE-R&S (Written) (Huawei Certified Internetwork Expert-Routing & Switching)

HCNA-Security-CBSN (Huawei Certified Network Associate - Constructing Basic Security Network)

HCNA-Storage-BSSN (Huawei Certified Network Associate - Building the Structure of Storage Network)

HCNA-Storage-BSSN

HCIE-Storage

HCIA-Cloud Service V2.2

Huawei Certified Pre-sales Associate-IP Network(Datacom)-ENU

Huawei Certified Pre-sales Associate - ECC (HCPA-ECC)

HCNA - Carrier IP

HCIP-Cloud Computing-CDSM

HCIA-SDN

Filters