Multi-selection After launching Oceanstor 9000 deployment, the deployment tool interface prompts "Unsuccessful connection". The possible reasons are: (multiple-selection)

The network connection between nodes is unstable

The deployment tool and deploy version do not match

The network connection between nodes is unstable

Single choice, the underlying virtualization of the N8000 cluster NAS system is realized through the VxVM component. The virtual objects managed by VxVM are: VM Disk, Disk Group, Subdisk, Pick, which one of the following explanations is correct?

N8000 cluster file system VxM is a non-journal file system that can support files above 2T

File system snapshots use copy-on-write (copy-on-write technology), and share partition or volume storage with other file sets space The snapshot provided by

N8000 is based on the file system level the snapshot provided by the

Multiple choices of Huawei Oceanstor 9000. Which of the following designs can improve the reliability of the system? (Multiple choices)

Automatic failure detection and automatic data recovery

Single-choice Huawei Oceanstor 9000 provides a single file system externally with a unified file system namespace. The following are related Oceanstor9000 system-namespace description is incorrect, which one?

namespace cannot be shared and accessed, as long as the subdirectories below it can be shared and accessed

The namespace is automatically created when the Oceanstor 9000 is started, and its name is consistent with the system naming As the root directory of the entire system

namespace cannot be shared and accessed, as long as the subdirectories below it can be shared and accessed

A unified name space provides users with a unified storage resource pool to achieve centralized management and allocation of storage space

Each file sharing directory is a subdirectory of the namespace

Single-choice NAS storage system realizes file system sharing, and the underlying protocol uses iSCSI for data transmission

False A InfiniBand technology has high bandwidth, low latency, and system scalability

Which one of the following descriptions about InfiniBand technology is wrong?

InfiniBand technology will be widely promoted in Internet network connection

InfiniBand technology has the advantages of high bandwidth, low latency, and good system scalability

InfiniBand technology is often applied to the connection between the server and the server

InfiniBand technology will be widely promoted in Internet network connection

Switch is the basic component in InfiniBand structure

Single-select Erasure code redundancy technology used by Oceanstor 9000, which supports higher reliability and More flexible redundancy strategy, the following is the principle of Erasure code N+M, which one describes the wrong thing?

In Erasure code storage mode, the system supports up to N hard drives

When data is written, it is cut into N data blocks with the same size

For every N consecutive data blocks, M check blocks are calculated through the Erasure Code algorithm (M<N)

In Erasure code storage mode, the system supports up to N hard drives

In the era of single-choice big data, traditional technology upgrades can no longer meet the needs of big data processing. Which of the following is not big data era) The direction of technology development?

From non-relational database to relational database development

Computing is developing towards clustering

is developing towards virtualization

The network develops in a higher direction, lower protocol overhead, and more effective direction.

From non-relational database to relational database development

In the era of single-choice big data, traditional technology upgrades can no longer meet the needs of big data processing. Which of the following is not big data era) The direction of technology development?

Computing is developing towards clustering

is developing towards virtualization

The network develops in a higher direction, lower protocol overhead, and more effective direction.

From non-relational database to relational database development

Which of the following scenarios is more suitable for adopting the FusionInsight Hadoop technology of Huawei Oceanstor9000? (Multiple choice)

Applications that write once and read many times

Mass storage and retrieval of small files

Applications that write once and read many times

Institutional data form processing

Mass storage and retrieval of small files

Mass document management that frequently changes content

The value of Huawei Oceanstor 9000infoTier is reflected in: (multiple choice)

can ensure the system's response speed to hot data access and improve the storage performance of the entire system

Take full advantage of the cost advantages of different storage media to effectively reduce deployment and maintenance costs

Improve system storage performance and realize intelligent data management

Realize automatic file migration according to the corresponding relationship between file attributes and different storage devices, reducing the cost and complexity of manual management

can ensure the system's response speed to hot data access and improve the storage performance of the entire system

Take full advantage of the cost advantages of different storage media to effectively reduce deployment and maintenance costs

Improve system storage performance and realize intelligent data management

Realize automatic file migration according to the corresponding relationship between file attributes and different storage devices, reducing the cost and complexity of manual management

The basic principles of daily maintenance of the multi-choice big data storage system include: (multichoice)

Reserve spare parts on site for timely replacement in case of failure

Use the resources and software provided by the original manufacturer

Reserve spare parts on site for timely replacement in case of failure

Use the resources and software provided by the original manufacturer

When performing system maintenance on the Huawei Oceanstor 9000, it is recommended that the system administrator check the account routinely and check the content package Include: (multiple choice)

Routinely check and audit the login and operation logs of various accounts

Routinely check whether the permissions of various accounts are reasonable

Routine inspection to check whether the temporary account has been deleted

Routinely check and audit the login and operation logs of various accounts

Routinely check whether the permissions of various accounts are reasonable

Routine inspection to check whether the temporary account has been deleted

Which of the following are the advantages or capabilities of Huawei FusionInsight? (Multiple choice)

Engineering service support capabilities.

Multi-select Huawei Oceanstor 9000 During the software installation process, you also need to apply for some temporary IP addresses for the back-end business network.For the description of these temporary|P addresses, the correct one is: (multiple choice)

If the cluster has 6 nodes, you need to apply for 6 P addresses

Need to specify which node to use.-An IP address

If the cluster has 6 nodes, you need to apply for 6 P addresses

Need to specify which node to use.-An IP address

After the software installation is completed, these addresses will be deleted automatically

It does not matter if these temporarily planned back-end storage network IP addresses overlap with the actual planned back-end storage network IP addresses of the nodes.

What are the factors that affect the performance of the Huawei Oceanstor 9000 client? (Multiple choice)

business application characteristics

Oceanstor 900 hardware configuration

business application characteristics

Oceanstor 900 hardware configuration

Multiple selections The customer value of the InfoEqualizer feature of Huawei Oceanstor 9000 (C30) is reflected in: (multiple selections)

Oceanstor 9000 can distribute requests to relatively idle nodes according to the current business load smart address of each node, thereby improving Improved client access performance

Oceanstor 9000 grams automatically senses failures and adjusts services to other normal nodes, thereby improving the reliability of client service access

Allow the client to use the domain name to access Oceanstor 9000, and the client operator does not need to know the specific IP address of each visit. Simplified Management operations, thereby reducing management costs

Oceanstor 9000 can distribute requests to relatively idle nodes according to the current business load smart address of each node, thereby improving Improved client access performance

Oceanstor 9000 grams automatically senses failures and adjusts services to other normal nodes, thereby improving the reliability of client service access

This feature is a basic feature, no need to buy a license, saving cost

Allow the client to use the domain name to access Oceanstor 9000, and the client operator does not need to know the specific IP address of each visit. Simplified Management operations, thereby reducing management costs

Single-select Oceanstor 9000 restricts file storage and re-striping through the InfoTier water level threshold. When configuring InfoTier Select Spill over, other parameters default, which of the following statements is correct?

When the used space accounts for 85% of the total storage space of the node pool, data can still be written to the node pool

When the used space accounts for 90% of the total storage space of the node pool, data can still be written to the node pool

When the used space accounts for 859% of the total storage space of the node pool, the system reports a read-only alarm

When the used space accounts for 90% of the total storage space of the node pool, the system reports an insufficient capacity alarm

Single-select the incorrect description of the Huawei Oceanstor 9000 software module-item

MDS (MetaData Service) manages the metadata of the file system, each node of the system can store all metadata

OBS (Object-Based Store) is the file system metadata andFile data provides reliable object storage function

CA (Chent Agent) is responsible for the semantic analysis of application protocols such as NFS/CIFS/FTP, and sends it to the underlying module for processing

Snapshots, tiered storage, remote replication and other value-added features are provided by the PVS module

MDS (MetaData Service) manages the metadata of the file system, each node of the system can store all metadata

Which one of the following options is incorrect for the description of the features of the Huawei Oceanstor 900 product?

Oceanstor 9000 does not support access to Oceanstor DevieManager via HTTPS

Oceanstor 9000 adopts a fully symmetrical logical architecture and business load balancing design, which can greatly improve the concurrent access capability of the system

Oceanstor 9000 uses a global cache, so the data is saved in the cache

Oceanstor 9000 does not support access to Oceanstor DevieManager via HTTPS

Oceanstor 900 can expand smoothly, and its capacity and performance support linear expansion.

Select the period of a Huawei Oceanstor 9000 cluster, and use the back-end 10GE network, then the network connection is completed to the 10GE switch.Which configuration are as follows? (multiple choice)

Configure two switches to stack

Configure the switch flow control switch

Configure two switches to stack

Configure the switch flow control switch

Single-choice Which of the following is the incorrect feature description of Oceanstor 9000 InfoStamaper?

InfoStamaper feature provides snapshots based on file level

The metadata of Oceanstor 9000 uses mirroring for redundancy, and COW technology is used for the metadata.

InfoStamaper feature provides snapshots based on file level

Oceanstor 9000 InfoStamaper adopts ROW technology

The advantage of using ROW is that it has less impact on system performance.

Single-choice Which one of the following descriptions about the Oceanstor 9000Wushan file system is wrong?

Wushan file system adopts object storage mode, and does not need to provide users with a traditional system tree structure for users to use

Wushan file system manages the underlying data as objects, which simplifies the management method and metadata overhead

Wushan file system adopts object storage mode, and does not need to provide users with a traditional system tree structure for users to use

The data object of the Wushan file system is composed of a set of Stripes (stripes), and the strips are generated by the Erasure Code matrix operation.

Each object of the Wushan file system is a complex of data and data attribute sets. The data attributes can be set according to the application, including data distribution and service quality.