Question 1

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

Accepted Answer

A)  The maximum supported file system capacity is 40 PB. 
B)  The maximum supported data recovery speed is 1 TB/hour. 
C)  Each node uses the cache on the node exclusively. 
D)  Thin provisioning and thick provisioning are both supported. 
A)  The maximum supported file system capacity is 40 PB. 
B)  The maximum supported data recovery speed is 1 TB/hour. 
C)  Each node uses the cache on the node exclusively. 
D)  Thin provisioning and thick provisioning are both supported.

Question 2

An N8500 clustered NAS system has many services that help implement system functions, such as NFS and CIFS basic service groups. Which of the following is not a resource agent of the NFS service group?

Accepted Answer

A)  NIC 
B)  Hashadow 
C)  Disk 
D)  IP 
A)  NIC 
B)  Hashadow 
C)  Disk 
D)  IP

Question 3

Which of the following statements about reading and writing an N8500 clustered NAS file system mirror and the best practices are correct? (Select three)

Accepted Answer

A)  Equivalent to RAID 01, Mirrored-stripe is to perform file system mirroring based on striping, A mirror provides data redundancy, and data is distributed across multiple disks. 
B)  Mirror is equivalent to RAID 1, Data that needs to be written to a file system is simultaneously written to two mirrors and data is read from the two mirrors based on a round- robin policy (I/Os are evenly distributed to paths in a round-robin manner). 
C)  Regarding the use of Mirror, it is recommended that the space of the source file system be provided by one storage array and that of the mirrored file system be provided by another. Mirror is recommended for scenarios that require high reliability. 
D)  Mirrored-stripe is suitable for scenarios that require high reliability. The performance of Mirrored-stripe is the same as that of Mirror. 
A)  Equivalent to RAID 01, Mirrored-stripe is to perform file system mirroring based on striping, A mirror provides data redundancy, and data is distributed across multiple disks. 
B)  Mirror is equivalent to RAID 1, Data that needs to be written to a file system is simultaneously written to two mirrors and data is read from the two mirrors based on a round- robin policy (I/Os are evenly distributed to paths in a round-robin manner). 
C)  Regarding the use of Mirror, it is recommended that the space of the source file system be provided by one storage array and that of the mirrored file system be provided by another. Mirror is recommended for scenarios that require high reliability. 
D)  Mirrored-stripe is suitable for scenarios that require high reliability. The performance of Mirrored-stripe is the same as that of Mirror.

Question 4

Which of the following statements about NewSQL databases are correct? (Select three)

Accepted Answer

A)  MPP databases are not NewSQL databases. 
B)  NewSQLdatabases have the capability to store and manage massive data. 
C)  NewSQLdatabases support ACID and SQL as traditional databases do. 
D)  NewSQLindicates various new databases that provide scalability and high performance. 
A)  MPP databases are not NewSQL databases. 
B)  NewSQLdatabases have the capability to store and manage massive data. 
C)  NewSQLdatabases support ACID and SQL as traditional databases do. 
D)  NewSQLindicates various new databases that provide scalability and high performance.

Question 5

On Huawei OceanStor 9000, if access requests are not evenly allocated to nodes, a user can adjust zones. After that, the user must unmount shared directories from clients and remount directories based on allocated domain names.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following storage services can the N8500 clustered NAS system that employs the integrated networking mode provide for application servers? (Select three.)

Accepted Answer

A)  CIFS 
B)  10 Gbit/s iSCSI SAN 
C)  SASSAN 
D)  FCSAN 
A)  CIFS 
B)  10 Gbit/s iSCSI SAN 
C)  SASSAN 
D)  FCSAN

Question 7

Which of the following statements about quota and statistics is incorrect?

Accepted Answer

A)  When the bucket capacity reaches its quota, data cannot be written to the bucket. 
B)  When the bucket capacity of an account reaches its quota, this account cannot write data to the bucket. 
C)  The available bucket resources include the bucket size, the number, and the number of objects in the bucket. 
D)  The available bucket resources include the account of quota, the number of buckets, the number of objects, and the total capacity. 
A)  When the bucket capacity reaches its quota, data cannot be written to the bucket. 
B)  When the bucket capacity of an account reaches its quota, this account cannot write data to the bucket. 
C)  The available bucket resources include the bucket size, the number, and the number of objects in the bucket. 
D)  The available bucket resources include the account of quota, the number of buckets, the number of objects, and the total capacity.

Question 8

Hadoop is an open-source software framework for distributed processing of massive data. Hadoop has performance and cost advantages in terms of unstructured data processing.

Accepted Answer

A) True 
 B)False

Question 9

An N8500 clustered NAS system is equipped with four engine nodes and each engine node provides four service network ports. How many virtual IP addresses must be planned for the N8500?

Accepted Answer

A)  15 
B)  16 
C)  17 
D)  18 
A)  15 
B)  16 
C)  17 
D)  18

Question 10

Which of the following statements about the performance optimization check items of the N8500 clustered NAS storage systems are correct? (Select three)

Accepted Answer

A)  Check whether the BBUs are faulty. If only one BBU is faulty, the current write policy of LUNs changes to write through. 
B)  Log in to the ISM and check whether alarms indicating slow disk response exist. 
C)  Check on the ISM whether bit errors exist on Fibre Channel ports. 
D)  Check whether front-end service ports are functioning at the optimal rate. For example, check whether the port rate is 4 Gbit/s when the bandwidth is 8 Gbit/s. 
A)  Check whether the BBUs are faulty. If only one BBU is faulty, the current write policy of LUNs changes to write through. 
B)  Log in to the ISM and check whether alarms indicating slow disk response exist. 
C)  Check on the ISM whether bit errors exist on Fibre Channel ports. 
D)  Check whether front-end service ports are functioning at the optimal rate. For example, check whether the port rate is 4 Gbit/s when the bandwidth is 8 Gbit/s.

Question 11

The cloud storage system is a comprehensive storage system that features convergence, openness, and high flexibility. It supports pooling for hardware resources of different vendors and specifications and provides protocols and APIs required for the block, file, and object storage service.

Accepted Answer

A) True 
 B)False

Question 12

If the back-end storage performance of an N8500 storage system deteriorates, which of the following items can be skipped during troubleshooting?

Accepted Answer

A)  Whether the sharing services are disabled 
B)  Whether the batteries on the storage units are faulty 
C)  Whether a link between the engine and a storage unit is down 
D)  Whether the storage system has slow disks 
A)  Whether the sharing services are disabled 
B)  Whether the batteries on the storage units are faulty 
C)  Whether a link between the engine and a storage unit is down 
D)  Whether the storage system has slow disks

Question 13

If an OceanStor 9000 storage system consists of three P nodes and uses GE for the front-end network, how many IP addresses must be planned for the front-end service network segment?

Accepted Answer

A)  17 
B)  18 
C)  19 
D)  20 
A)  17 
B)  18 
C)  19 
D)  20

Question 14

Huawei OceanStor 9000 provides a unified service access domain name through which file system?

Accepted Answer

A)  NTFS 
B)  HDFS 
C)  CIFS 
D)  EXT3 
A)  NTFS 
B)  HDFS 
C)  CIFS 
D)  EXT3

Question 15

Which of the following interface cards can be installed in the PCIe expansion slot on the P node of the OceanStor 9000? (Select three)

Accepted Answer

A)  2-portTOE 10GE network adapter 
B)  2-port IB network adapter 
C)  2-port GE network adapter 
D)  2-port 8 Gbit/s Fibre Channel interface card 
A)  2-portTOE 10GE network adapter 
B)  2-port IB network adapter 
C)  2-port GE network adapter 
D)  2-port 8 Gbit/s Fibre Channel interface card

Question 16

You are required to check the installation environment before installing software on an OceanStor 9000 storage system. Which of the following conditions does not meet these requirements?

Accepted Answer

A)  The OceanStor 9000 consists of three P nodes and one C node. 
B)  The storage nodes run SU5E Linux Enterprise Server 11 (x86_64) SP1. 
C)  The PC used for installation runs Windows 7. 
D)  The PC used for installation runs Internet Explorer 9. 
A)  The OceanStor 9000 consists of three P nodes and one C node. 
B)  The storage nodes run SU5E Linux Enterprise Server 11 (x86_64) SP1. 
C)  The PC used for installation runs Windows 7. 
D)  The PC used for installation runs Internet Explorer 9.

Question 17

The InfoLocker feature of Huawei OceanStor 9000 can be used to meet the requirements of scenarios where data is written once and read multiple times.

Accepted Answer

A) True 
 B)False

Question 18

An N8500 clustered NAS storage system cannot be logged in to using the master account. Which is the possible cause?

Accepted Answer

A)  The console IP address conflicts with another IP address on the network. 
B)  The network port corresponding to the console IP address is not connected to a network cable or is in the shutdown state. 
C)  The user name and password have been changed. 
D)  A heartbeat link is down. 
A)  The console IP address conflicts with another IP address on the network. 
B)  The network port corresponding to the console IP address is not connected to a network cable or is in the shutdown state. 
C)  The user name and password have been changed. 
D)  A heartbeat link is down.

Question 19

The OceanStor 9000 externally provides a single file system that is managed by a unified file system namespace. All the objects involved in user operations such as storing files, setting a share, and managing permission reside in this namespace. Which of the following statements about a namespace are correct? (Select three.)

Accepted Answer

A)  During the startup of the OceanStor 9000, a namespace is automatically created with the same name as that of the OceanStor 9000. 
B)  As the root directory of the entire system, a namespace cannot be shared or accessed. However, its subdirectories can be shared and accessed. 
C)  A unified namespace provides a unified storage resource pool where storage space can be centrally managed and allocated. 
D)  All shared directories are subdirectories in the unified namespace. 
A)  During the startup of the OceanStor 9000, a namespace is automatically created with the same name as that of the OceanStor 9000. 
B)  As the root directory of the entire system, a namespace cannot be shared or accessed. However, its subdirectories can be shared and accessed. 
C)  A unified namespace provides a unified storage resource pool where storage space can be centrally managed and allocated. 
D)  All shared directories are subdirectories in the unified namespace.

Question 20

The N8500 clustered NAS storage system supports bonding of multiple service network ports. Which of the following statements about bond4 and bond6 are correct? (Select three)

Accepted Answer

A)  The bond4 mode has unbalanced load issues in the "gatewayed" topology. 
B)  The bond6mode allocates and adjusts loads based on the workloads on the bond ports. 
C)  The bond6 mode supports fault tolerance whereas the bond4 mode does not. 
D)  The adaptive load balancing supported by the bond6 mode will definitely cause frequent switchovers among network adapters, increasing the system overhead. 
A)  The bond4 mode has unbalanced load issues in the "gatewayed" topology. 
B)  The bond6mode allocates and adjusts loads based on the workloads on the bond ports. 
C)  The bond6 mode supports fault tolerance whereas the bond4 mode does not. 
D)  The adaptive load balancing supported by the bond6 mode will definitely cause frequent switchovers among network adapters, increasing the system overhead.

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

An N8500 clustered NAS system has many services that help implement system functions, such as NFS and CIFS basic service groups. Which of the following is not a resource agent of the NFS service group?

Which of the following statements about reading and writing an N8500 clustered NAS file system mirror and the best practices are correct? (Select three)

Which of the following statements about NewSQL databases are correct? (Select three)

On Huawei OceanStor 9000, if access requests are not evenly allocated to nodes, a user can adjust zones. After that, the user must unmount shared directories from clients and remount directories based on allocated domain names.

Which of the following storage services can the N8500 clustered NAS system that employs the integrated networking mode provide for application servers? (Select three.)

Which of the following statements about quota and statistics is incorrect?

Hadoop is an open-source software framework for distributed processing of massive data. Hadoop has performance and cost advantages in terms of unstructured data processing.

An N8500 clustered NAS system is equipped with four engine nodes and each engine node provides four service network ports. How many virtual IP addresses must be planned for the N8500?

Which of the following statements about the performance optimization check items of the N8500 clustered NAS storage systems are correct? (Select three)

The cloud storage system is a comprehensive storage system that features convergence, openness, and high flexibility. It supports pooling for hardware resources of different vendors and specifications and provides protocols and APIs required for the block, file, and object storage service.

If the back-end storage performance of an N8500 storage system deteriorates, which of the following items can be skipped during troubleshooting?

If an OceanStor 9000 storage system consists of three P nodes and uses GE for the front-end network, how many IP addresses must be planned for the front-end service network segment?

Huawei OceanStor 9000 provides a unified service access domain name through which file system?

Which of the following interface cards can be installed in the PCIe expansion slot on the P node of the OceanStor 9000? (Select three)

You are required to check the installation environment before installing software on an OceanStor 9000 storage system. Which of the following conditions does not meet these requirements?

The InfoLocker feature of Huawei OceanStor 9000 can be used to meet the requirements of scenarios where data is written once and read multiple times.

An N8500 clustered NAS storage system cannot be logged in to using the master account. Which is the possible cause?

The N8500 clustered NAS storage system supports bonding of multiple service network ports. Which of the following statements about bond4 and bond6 are correct? (Select three)

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 features of the OceanStor 9000 are correct? (Select two)

An N8500 clustered NAS system has many services that help implement system functions, such as NFS and CIFS basic service groups. Which of the following is not a resource agent of the NFS service group?

Which of the following statements about reading and writing an N8500 clustered NAS file system mirror and the best practices are correct? (Select three)

Which of the following statements about NewSQL databases are correct? (Select three)

On Huawei OceanStor 9000, if access requests are not evenly allocated to nodes, a user can adjust zones. After that, the user must unmount shared directories from clients and remount directories based on allocated domain names.

Which of the following storage services can the N8500 clustered NAS system that employs the integrated networking mode provide for application servers? (Select three.)

Which of the following statements about quota and statistics is incorrect?

Hadoop is an open-source software framework for distributed processing of massive data. Hadoop has performance and cost advantages in terms of unstructured data processing.

An N8500 clustered NAS system is equipped with four engine nodes and each engine node provides four service network ports. How many virtual IP addresses must be planned for the N8500?

Which of the following statements about the performance optimization check items of the N8500 clustered NAS storage systems are correct? (Select three)

The cloud storage system is a comprehensive storage system that features convergence, openness, and high flexibility. It supports pooling for hardware resources of different vendors and specifications and provides protocols and APIs required for the block, file, and object storage service.

If the back-end storage performance of an N8500 storage system deteriorates, which of the following items can be skipped during troubleshooting?

If an OceanStor 9000 storage system consists of three P nodes and uses GE for the front-end network, how many IP addresses must be planned for the front-end service network segment?

Huawei OceanStor 9000 provides a unified service access domain name through which file system?

Which of the following interface cards can be installed in the PCIe expansion slot on the P node of the OceanStor 9000? (Select three)

You are required to check the installation environment before installing software on an OceanStor 9000 storage system. Which of the following conditions does not meet these requirements?

The InfoLocker feature of Huawei OceanStor 9000 can be used to meet the requirements of scenarios where data is written once and read multiple times.

An N8500 clustered NAS storage system cannot be logged in to using the master account. Which is the possible cause?

The N8500 clustered NAS storage system supports bonding of multiple service network ports. Which of the following statements about bond4 and bond6 are correct? (Select three)

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