H13-624 Practice Exam Questions and Answers

Huawei Oceanstor 9000 provides external domain name resolution services through the "InfoEqualizerDNS IP address",

Name access to the following types of file sharing. If a node failover occurs, which of the following sharing methods will not be interrupted?

What are the necessary components included in the architecture of the N80OONAS system? (multiple choice)

In the "Oceanstor 9000 Network Diagram", what type of switch b should be?

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

Regarding the description of the data protection function of the Huawei Oceanstor 9000 system, which of the following options is incorrect?

The file sharing interface provided by Huawei Distributed Storage System does not include a single selection. Which of the following options is included?

Single choice Which of the following is not a feature of the Huawei WushanFS file system

A Performance and capacity can be expanded separately

B.  

C.  

D.  

Use the Oceanstor systemReporter report tool to monitor the Oceanstor 9000 and the resources that can be monitored

Objects include: (multiple choice)

In a city, if the Municipal Public Security Bureau needs to regularly archive the video surveillance within the jurisdiction of each police station, in such an application

In the scenario, if the solution provided by Oceanstor 9000VIRC30 is adopted, which of the following node types should be recommended for customers?

When using the Smartvirtualization feature to select external LUNs in a heterogeneous storage system

After hosting, the read I/O request for external LUN data does not go through the heterogeneous storage system, then where the data may exist ()

Which of the following options does not belong to the characteristics of the distributed storage big data service solution single-choice solution ()

After Huawei Distributed Storage enables the object deduplication function, the system will automatically find duplicate objects globally.

And only keep one copy of the same object and delete the redundant duplicate data. The original duplicate data is replaced with a single copy that points to the reservation.

A copy of the reference.

What is the incorrect description of the features of Huawei 0 ceanstor 9000lnfoTier and related concepts?

A vendor’s distributed storage system was put into operation for 100 days, running 24 hours a day. 10th day

A failure occurred at noon, and it took 1 hour to recover from the failure. A failure occurred in the morning of the 25th day, and it took 4 hours to recover from the failure. 80th

One failure occurred in the morning, and it took 1 hour to recover from the failure. The availability of the software system is ()

Single choice Which one of the following statements about the N8500 configuration process is correct?

An enterprise plans to purchase a set of storage equipment, and its business has different requirements for storage performance.

Which of the following descriptions is wrong when performing hard disk selection, planning and design

Single selection In the Huawei Oceanstor 9000 system, which of the following functions or parameters will be disabled will affect the InfoTier function?

Create an Oceanstor 9000 cluster, using P36 nodes, and use the back-end 10GE network. Then the P36 node.

Which ports should be connected to the 10GE switch? (multiple choice)

When a user uses Systemreporter to analyze his production equipment and selects Oceanstor 9000, he finds some nodes in a certain partition

The CPU utilization rate exceeds 80%, but the average CPU utilization rate is about 50%. In addition, it is found that the read and write bandwidth of a node has always been kept at a constant level.

More than 80% of the performance specifications, while other nodes are below 60%. In this scenario, which load balancing strategy is recommended?

The minimum number of nodes in the single-choice Huawei Oceanstor 9000 system is 3, and these 3 nodes can be of different types.

Which one of the following descriptions about Oceanstor 9000's global cache is incorrect?

When planning the front-end service network IP address for the C72 node of Huawei Oceanstor 9000, you need to plan for each node

4 static front-end IP addresses

The Huawei Oceanstor 9000 InfoTier file pool policy will determine the storage location of files created and when files are re-striped.

Which one of the following statements about the file pool strategy is incorrect?

Which one of the following is incorrect about the Huawei Oceanstor 9000 CIFS share configuration statement?

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

When Huawei Oceanstor 9000 is used in large file scenarios, we should focus on its OPS,

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

When planning and designing storage solutions, if customers pay attention to the satisfaction of performance, which of the following aspects should be planned and designed ()

A.  

B.  

C.  

Number of hard disks

D.  

In the Huawei dual-active disaster recovery solution, which of the following situations must use Fibre Channel connection?

VADP backup mode does not include: single selection

Huawei's end-to-end active-active data center solution is divided into 6 logical levels, namely storage layer, computing layer, application layer, and network layer.

Network layer, transport layer and security layer, the design points of each layer include: (multiple choice)

The backup plan design process is divided into multiple stages. Which of the following stages is in the correct order?

(multiple choice) Which of the following is correct in IDC's description of the characteristics of big data?

Regarding the storage layer data replication disaster recovery technology, which of the following statements is correct?

Initiate quiescing of the application before the snapshot, and then trigger the hardware storage snapshot to create an application-consistent snapshot copy. Via snapshot

The backup copy is used for data backup, eliminates the data backup time window, does not interrupt the production system business at all, and achieves the difference of data

Save it locally and improve the reliability of the data.

In the HyperMetro dual-active data center solution, the quorum server mode has higher reliability than the static priority mode.

It can ensure the continuous operation of the business under various single point of failure scenarios. Therefore, Huawei's dual-active solution recommends the use of the arbitration server model.

A.  

B.  

In the local high-availability solution using Huawei HyperMirror, which of the following statements is correct? (multiple choice)

E.  

F.  

G.  

H. You only need to connect heterogeneous storage to the business host.

Which of the following statements about backup networking LAN-free and Server-free is correct?

In a data backup management system, in the case of low requirements for backup performance, it is not necessary to configure media services separately

The media server module and the management server module can be installed on the same physical server.

Which of the following is the correct sequence of steps in the design of a disaster tolerance solution?

A.  

B.  

recognize.

C.  

D.  

E.  

Colleagues customized Huawei dual-active disaster recovery solutions for customers. Customers already have a set of OceanStor S5500TV2 and a set of third-party systems.

In the storage system, the two sets of equipment are placed in two data centers to implement active-active disaster recovery. The solution:

The cascading replication disaster recovery solution establishes a cascading replication relationship for the storage devices used by the business to achieve intra-city disaster recovery + remote disaster recovery, with little impact on the performance of the production center.

Backup strategy management does not include: single selection

(multiple choice) The daily inspection performance indicators of the big data storage system include:

(Judgment) FusionStorage Block uses a unique data block slicing technology and data based on DHT Hash

The routing algorithm can evenly distribute the data of the volume to the fault domain of a larger resource pool, so that each volume can obtain a larger

IOPS and MBPS performance also makes the load of each hardware resource relatively balanced.

(multiple choice) The value of Huawei OceanStor 9000 InfoTier is reflected in:

(single choice) In the Huawei OceanStor 9000, which of the following is not an authentication method supported by NFS sharing?

Which of the following are Huawei's disaster recovery solutions? (multiple choices)

During data backup, in order to save space, single-selection data may be deduplicated, such as repeated data block A and

For block B, only one copy of data is physically saved, and the index corresponding to block A or B will be deleted.

(Judgment) The InfoLocker feature of OceanStor 9000 can be used to meet the business scenario of one write and multiple read.

Regarding source deduplication, which one of the following descriptions is incorrect?

The backup plan can prevent the loss of production data or the data center suffers a devastating disaster, the recovery time is short, and the business continuity is guaranteed.

In the Huawei dual-active disaster recovery solution, which of the following are necessary components? (multiple choice)

Send a control command through the backup server, first take a snapshot (or other similar operations) of the data volume that needs to be backed up,

Make a copy, then use the backup server to mount the snapshot volume, and use the backup server to back up the data on this volume to the backup

On the device. What type of backup networking is described in the above workflow?

DASH Copy is an optimized auxiliary copy, which copies all data blocks from the source disk library to the target disk library each time.

The OceanStor backup solution architecture includes three parts: the central site, branch sites, and remote backup sites.

Only the backup system can be deployed at the backup site, not the production system.

In the deployment scenario of FusionStorage file service, the customer deployed 10 FusionStorage nodes and two

Management network switch, the number of IP addresses that need to be assigned to its management network at this time is:

HyperMetro guarantees the real-time synchronization of data between the storage arrays of the two sites through the cross-site data real-time mirroring function.

The data center array needs to record the write log when it receives the write I/O. Only the address information is recorded in the log, and the specific write data content is not recorded. The log

Use memory space recording with power-down protection capability to obtain good performance.

The following description of the FusionStorago management network is incorrect:

A.  

Manage the network IP address.

B.  

Each management network IP address will automatically float on the NIC1 interface of these nodes.

C.  

D.  

The total number of points does not exceed 5). And assign a management network IP address to it, and it will automatically float on the NIC1 interface of these nodes.

Single choice If a client of Huawei Oceanstor 9000 requires that after one of its connection channels fails, other channels can be used

Continue to transmit data without interruption of business, one of the necessary conditions is that the client must support the SMB3.0 protocol

When deploying OceanStor 9000 through the deployment tool, the IP entered in the "IP address range" in the "DHCP configuration" area

The address is only used temporarily during the deployment process. After the deployment is successful, the IP address of each node is modified to the IP address planned in the configuration file

The backup system network that can be used for all storage types is:

Which of the following descriptions of the C72 node management interface is correct: (multiple choice)

Cloudera Hadoop docking process includes: 1. Data preparation. 2. Verify the connection status 3. Install HDFS Plugin

To Cloudera Hadoop nodes and clients. 4. Migrate business data Which of the following options is in the correct order of connection:

In a relatively large backup domain, using the Simpana backup software, you can set up multiple cs, load sharing, and improve efficiency.

Rate.

Multiple choice Ooceanstor 9000 Ifollocator supports quota types: (multiple choice)

The quota types supported by OceanStor9000 InfoAllocator are:

Single choice Network connection is required before the initial configuration of the big data system. The networking of Huawei Oceanstor9000 does not include

Multi-choice Big data storage system schedule maintenance principles include: (Multi-choice)

Backup networking LAN-Base is one of the most common networking methods. Its advantages include: (multiple choices

Multi-selection On the LINUX client accessing the Oceanstor 9000 cluster, you can adjust the client NFS mounting parameters to improve access.

Ask performance. Regarding the adjustment of NFS mount parameters, which of the following descriptions is correct: (multiple choice)

In OceanStor 9000, if a hard disk is offline for 15 minutes, the data recovery method on the hard disk is as follows.

The system calculates the data on the hard disk and restores these data to other normal hard disks.

OceanStor9000 Wushan distributed file system, supports online node expansion, storage capacity and computing capacity increase linearly

Plus, and finally provide users with linearly increasing bandwidth and concurrency

Single choice The daily inspection performance indicators of the big data storage system include

When maintaining the N8500 clustered NAS, I cannot log in to the N8500 clustered NAS system with the master account. It is possible

The reasons are: ()

OceanStor900 uses general-purpose x86 architecture hardware to deploy Scale-out NAS system.

The realization of high concurrency and high performance is mainly based on three types of networking: IB, 10GE and PCI

E.  

Better and easier to expand and manage.

Multiple choice The description about the analysis and adjustment of the Oceanstor 9000 system NAS server parameters is wrong: (multiple choice)

A storage cluster has five C72 nodes. The front and back 10CF networking mode is adopted. In the hybrid deployment of distributed system services and pairs

For storage services, the number of IP addresses that need to be planned for the front-end business network is:

Single choice Which of the following is the correct power-on sequence of the Huawei Oceanstor 9000 big data storage system?

The following is an incorrect description of the principle of data deduplication technology, which is the single choice?

The items that do not belong to the DFS adaptation single-selection layer software module in OceanStor9000 are: (single-selection)

Single selection As shown in the “Oceanstor 9000 Network Diagram”, the node in the “Oceanstor 9000 Network Diagram” adopts the P36 node, then the NIC0 in the P36 node should be connected to the P36 node.

Which switch does it enter in the network diagram?

Single choice A Huawei Oceanstor 9000 group site. 6 C72 nodes are configured, and the NC0 of some of the nodes should be connected

Manage the network?

Engineer A finds an abnormality in the storage during the daily inspection, and calls the Huawei technical support hotline for help, and technical support instructs engineer A

Complete the collection of information of the business host. The operating system of the business host is Linux, which of the following collected commands are correct ()

An engineer needs to perform a snapshot rollback operation to obtain source data at a certain time in the past. Regarding this operation process, which of the following statements are

correct()

The following is the correct statement about Huawei hybrid flash storage SmartQos I/O priority scheduling:

HDD and SSD hard drives show huge performance differences under different IO patterns. Huawei

The Append Only Plog technology in distributed storage can provide the best down-disk performance model for different hard disk types.

The creation of logical ports is based on physical Ethernet ports, bonded ports or VLANs, and is mainly used for business operations. At the same time, need

Designate the main port, when the main port fails, the service will be taken over by the failover port

Which one of the following descriptions about the unified namespace is incorrect?

Single selection Huawei hybrid flash storage uses a RAID 2.0+ software architecture single-selection structure to realize the virtualization of the underlying media and the virtualized resources of the upper layer.

Simulate, solve the problem of rapid data reconstruction and intelligent allocation of resources at the same time.

Which of the following options is correct for the description of the multi-version function of the bucket:

The game live broadcast platform A uses Huawei’s all-flash storage to protect its business.

Designed FlashLink technology. Which of the following statements are correct for writing the ROW scores in large block order

Multiple choice Internet company A uses Huawei’s hyper-converged storage to build the company’s information platform, which significantly increases the storage space of the platform.

Use efficiency. Which of the following options reflects this feature ()

Which options are correct in the following statements about the features of Huawei SmartPartitian ()

Huawei hybrid flash storage system controller subrack and disk subrack are interconnected by mini SAS interface, the highest transmission rate

Up to 8GB/s.

The characteristics of Huawei's scale-out file storage NFS business are correct:

To access the object storage service (compatible with the OpenStack Swift interface), which of the following types of servers must be authenticated by the user.

SmartDedupe in Huawei hybrid flash storage can only be supported by file systems with Thin features.

Multiple choice A large Internet company A purchased Huawei hyper-converged storage multiple choice to build an IT infrastructure platform. Which of the following can be applied

Scenes()

Regarding the read cache process of Huawei's distributed storage multi-level cache technology, which of the following read hits is the priority ()

Regarding Huawei’s distributed storage multi-level caching technology, the small I0 write cache single-selected storage scenario, which of the following is the correct order ()①Enter

Based on the WAL log area of ​​the SSD cache disk, return to the host to complete the write operation. ②When the memory write cache reaches a certain level, the data starts to go down

Flashing ③Data writing into RAM-based Write Cache ④Small IO will be written to the SSD cache of the node first, waiting to be aggregated into large IO Rewrite to HDD

Which of the following is the maintenance software supported by Huawei's hybrid flash storage products?

When selecting storage devices, if the business requires a single hard disk IOPS greater than 3000, which of the following hard disk types can be selected

select()

A company deployed multiple block service applications on the same Huawei distributed storage device, including daily backups, database organization, and ticketing.

According to periodic settlement, the administrator finds that these services will extremely consume system resources during a certain period of time. If it occurs during working hours, it will affect

Affect other interactive businesses. Administrators use QoS features to limit the consumption of storage resources by these services according to their occurrence time period.

Avoid affecting production business or interactive business. Administrators should consider which resources to restrict ()

A company uses Huawei Distributed Storage Block Service to run data services, and the development team needs to use business data for

Data mining and testing without affecting business data. Which of the following descriptions are correct

eDevLun refers to the volume of third-party heterogeneous devices connected to Huawei Storage.

An account is a credential for using an object storage service (compatible with Amazon S3 interface), and its management function does not include:

In Huawei distributed storage, SCSI volumes with multiple mount points are called shared volumes, and iSCSI volumes are all shared volumes. In order to support

Shared volume backup capability, block service also supports snapshots of shared volumes, and the snapshot process of shared volumes is the same as that of ordinary volumes.