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H13-624 Exam Dumps - HCIP-Storage V5.0

Question # 4

(single choice) Among the following OceanStor 9000 software features, which feature can provide file system snapshots?

A.

InfoLocker

B.

InfoStamper

C.

InfoProtector

D.

InfoEqualize

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Question # 5

The storage capacity of site A is 2543GB. The storage capacity of site B is 3000GB. The storage capacity of site B is 3000GB.

The backup data is remotely copied to site A and saved. Consider the case of replication compression, the compression ratio is 3, and the back-end storage capacity required by site A is calculated.

What is the amount?

A.

A. 3543GB.

B.

B.4644GB.

C.

C. 3865GB.

D.

D. 4549GB.

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Question # 6

(multiple choice) OceanStor 9000 adopts Erasure code technology to protect data. If a site has 6 nodes, and the customer hopes that even if three disks are broken in one strip, the data can still be restored. The available redundancy protection levels are as follows:

A.

4+3:1

B.

6+3

C.

4+2

D.

12+3:1

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Question # 7

(single choice) Which of the following is the correct power-on sequence of the Huawei OceanStor 9000 big data storage system?

A.

Cabinet-->Switch-->KVM--->Node

B.

Cabinet-->KVM-->Switch--->Node

C.

Cabinet-->Switch-->Node--->KVM

D.

Cabinet-->Node-->KVM--->Switch

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Question # 8

In the Huawei disaster recovery solution, at which levels can data replication be performed? (multiple choice)

A.

Host-based replication

B.

Based on network layer replication

C.

Based on storage layer replication

D.

Copy based on the file system layer

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Question # 9

In a backup structure with a primary backup domain and multiple branch backup domains, the following description is wrong:

A.

Integrate multiple branch backup domains into one primary backup domain, and centrally view the operation reports of each backup domain in the primary backup domain.

B.

Each branch backup domain operates independently, and the connection network failure with the main backup domain does not affect the backup job of the branch backup domain.

C.

The main backup domain actively collects metadata of each branch backup domain on a regular basis. After the connection network between the branch backup domain and the main backup domain is interrupted and restored,

Metadata transmission can be automatically repaired.

D.

Register the remote client as an unconfigured client in the primary backup domain. The clients can be hidden and grouped.

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Question # 10

The LUN size relationship between production storage and disaster recovery storage configuration remote replication is: the capacity of the secondary LUN is greater than or equal to the capacity of the primary LUN.

A.

True

B.

False

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Question # 11

Which of the following is the correct sequence of steps in the design of a disaster tolerance solution? A. Storage capacity and disaster tolerance bandwidth calculation. B. Compatibility

recognize. C. Selection of disaster recovery plan. D. Network design. E. Design of disaster tolerance function.

A.

A-B-C-D-E

B.

B-C-A-E-D

C.

A-E-C-D-B

D.

C-B-A-D-E

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Question # 12

The Huawei 3DC disaster recovery management network is divided into a disaster recovery management network and a production management network, and these two networks must be deployed separately.

A.

True

B.

False

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Question # 13

The QoS characteristics of object services. For applications with different priorities, different buckets can be configured, and the TPS of the bucket can be controlled through QoS.

As well as the allocation of bandwidth resources; for VIP tenants and ordinary tenants in the same system, different QoS strategies can be configured to ensure high-quality

The quality of service for advanced tenants.

A.

True

B.

Wrong

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Question # 14

(single choice) The network connection is required before the initial configuration of the big data system. The networking of Huawei OceanStor 9000 does not include:

A.

Front-end business network

B.

Back-end storage network

C.

Management network

D.

Heartbeat Network

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Question # 15

(Judgment) Through the Huawei OceanStor 9000 Device Manager, we can view the real-time OPS performance indicators of the system.

A.

True

B.

False

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Question # 16

In the HyperMetro active-active data center solution, you need to configure the active-active domain before configuring the dual-single-selection active-active pair.

The active-active domain is a logical concept, which can include two sets of storage arrays and quorum servers that need to create active-active relationships.

A.

True

B.

False

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Question # 17

Compared with ordinary file backup, the components that need to be deployed when deploying VMware backup are:

A.

CS

B.

CA

C.

VSA

D.

MA

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Question # 18

The HyperLock (WORM) feature of Huawei Storage enables the single-selection of files to be written only once, cannot be written repeatedly, and is not allowed to be modified, deleted, or renamed.

A.

True

B.

False

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Question # 19

(single choice) In which of the following situations, the Huawei OceanStor 9000 system will not start load balancing?

A.

New node

B.

Add hard disk

C.

The hard disk is offline 3 times within 10 minutes

D.

Pre-failure of the hard disk

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Question # 20

The remote replication feature is mainly used in disaster recovery and backup scenarios. Which of the following statements about the remote replication feature is correct:

A.

During the remote replication process, if the replication link fails suddenly, the slave L data will be unavailable.

B.

The remote replication slave LUN can be mapped to the host in advance. When the primary L-end fails, it can save business recovery time.

C.

The peak bandwidth of asynchronous replication is higher than that of synchronous replication.

D.

If the disaster recovery solution requires RPO=0, it is recommended to use synchronous remote replication.

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Question # 21

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

A.

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

B.

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

C.

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.

D.

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.

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Question # 22

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

Objects include: (multiple choice)

A.

Cluster

B.

Node

C.

Network port

D.

Hard Disk

E.

Client

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Question # 23

In the software module of Huawei Oceanstor 9000, it belongs to the distributed object storage layer, not the distributed file system layer

It is: (multiple choice)

A.

O BS(Obiect Based Store)

B.

MDS (MetaData Service)

C.

Disk K-V Store

D.

CA (Client Agent)

E.

PVS(Protocol and Value-added Service)

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Question # 24

If the Huawei N8000 clustered NAS system has 4 engine nodes and each node has 4 service network ports, you need to plan

How many virtual IPs?

A.

15

B.

16

C.

17

D.

18

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Question # 25

The storage device generates a fault alarm. Which of the following methods cannot collect storage system faults?

information( )

A.

Check the zone configuration

B.

Check all events

C.

Export system data

D.

Check the warning information

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Question # 26

Bank A purchased a batch of Huawei OceansStor 18500 multi-choice v5, which passed RDMA

Scale-out to expand the connection, which of the following statements are correct ()

A.

The SmartIO interface provides internal interconnection, the transmission protocol is RDMA protocol, and the port bandwidth is up to

100 GB

B.

The idle 4 ports are used to expand to 16-control direct connection networking

C.

Directly connected redundant networking realizes full interconnection between 8 controllers, and each engine shares 400 GB of switching bandwidth

D.

Divide logical VLAN on SmartIO port and connect data network and heartbeat network at the same time

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Question # 27

When planning and designing storage projects, which of the following are more basic stages ()

A.

Outline design stage

B.

Conceptual design stage

C.

Research phase

D.

Physical design stage

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Question # 28

In Huawei 0ceanstor 9000, the client processing the write request will divide the data according to the protection level specified by the file

The data piece is written to the power-saving memory on the corresponding node, and then each node calculates the check data piece, and writes it to each 2 node’s

Power-saving memory. After all nodes write to power-saving memory successfully, this write operation is successful.

A.

True

B.

False

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Question # 29

Data hierarchical storage multi-choice of Huawei distributed storage big data service

A.

What are the advantages of the solution

B.

Unified storage resource pool

C.

Unify HDFS semantics

D.

Unified EC utilization

E.

Unified namespace

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Question # 30

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

A.

True

B.

False

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Question # 31

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?

A.

Round Robin

B.

By CPU utilization

C.

By node throughput

D.

Comprehensive negative answer by node

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Question # 32

During the installation of Commserver, if cS and Agent are on the same network segment, there is no need to configure the hosts file.

Pieces.

A.

True

B.

False

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Question # 33

What are the advantages of parallel data deduplication: (multiple choice)

A.

High performance

B.

High reliability

C.

Large scale

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Question # 34

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.

A.

True

B.

False

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Question # 35

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

A.

Volume

B.

Variety-Diversity

C.

Value-value density

D.

Velocity-speed

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Question # 36

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

Up to 8GB/s.

A.

True

B.

False

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Question # 37

Operation and maintenance engineer A consults the Huawei All-Flash Storage Manual about the process of hardware trusted and safe boot,

The following sequence is correct () â‘ Verify Grub's signature public key â‘¡Verify the status of the software signature certificate â‘¢Verify and load Grubâ‘£Verify

And load the OS

A.

④①③②

B.

①④②③

C.

①③②④

D.

①②③④

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Question # 38

The phone is accessing the LINUX client of the Oceanstor 9000 cluster, which can appropriately reduce the number of concurrent NFS on the client.

To improve access performance

A.

True

B.

wrong

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Question # 39

A customer unit purchased 9 OceanStor9000 storage nodes. When planning and deploying, it requires any three hard disks and one storage node to fail, which does not affect the integrity of the data, and the overall storage space utilization rate is not less than 80%. Proportioning

Is:

A.

8+1

B.

6+3

C.

6+3: 1

D.

16+3:1

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Question # 40

Which of the following statements about global data deduplication is incorrect: Single selection

A.

Multiple deduplication copies with different storage strategies use the same DDB.

B.

Multiple deduplication copies with different storage strategies use the same disk library and deduplication properties.

C.

Multiple deduplication copies with different storage strategies use the same deduplication pool as the backup target.

D.

The backup data retention period of multiple different storage strategies needs to be the same

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Question # 41

The back-end storage network interfaces of FusionStorage block, file, and object storage clusters must be completely isolated.

When the corresponding physical clusters share a pair of CE6800 switches, VLANs need to be divided to distinguish the back-end storage networks of different clusters. A. True

B. False

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Question # 42

It is a necessary step to create a consistency group in Huawei's active-standby disaster recovery solution.

A.

True

B.

False

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Question # 43

Among Huawei's many disaster recovery solutions, which of the following scenarios can eReplication be used? (multiple choice)

A.

Primary and standby disaster recovery

B.

3DC

C.

Data center active-active

D.

Local high availability

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Question # 44

In the file system backup scenario, under the premise of satisfying the backup window and making full use of bandwidth, try to ensure that the backup strategy is independent and timely.

Between the separation.

A.

True

B.

False

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Question # 45

What thresholds can be set for eReplication? (multiple choice)

A.

CPU utilization

B.

Memory utilization

C.

Hard disk utilization

D.

Band width

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Question # 46

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

A.

The SmartPartition feature is effective for both block business and file business

B.

Support setting SmartPartition in units of business LUNs

C.

The resources of each SmartPartition can only be accessed independently

D.

Support users to set the capacity of read cache and write cache for each SmartPartition partition

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Question # 47

The multi-choice InfoEqualizer feature supports partition setting of load balancing strategies, which options are optional methods for configuring load balancing strategies

Mode()

A.

Throughput by node

B.

Round Robin

C.

Number of connections by node

D.

By CPU usage

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Question # 48

An enterprise plans to purchase Huawei all-flash storage equipment to deploy storage single-selection services. In order to ensure the security of storage business data, storage

The device cannot communicate with the external network. After the storage device is deployed, you can configure the eService service to manage the operation and maintenance of the storage device, and improve

Improve the efficiency of operation and maintenance.

A.

True

B.

False

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Question # 49

Which protocol does Huawei Distributed Storage Object Service use to obtain resource statistics of tenants and buckets ()

A.

SSL

B.

SMI-S

C.

SNMP

D.

REST

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Question # 50

A company uses Huawei Distributed Storage Object Service to save transaction orders and enables WORM function

Yes, the administrator finds that some objects can only be read but cannot be modified, so which WORM state these objects may be in ()

A.

Protection status

B.

Protection expired

C.

Unprotected state

D.

Suspend protection

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Question # 51

Multiple choice Regarding SmartMigration LUN information exchange, which of the following multiple choice descriptions is correct:

A.

The LUN information exchange needs to stop business.

B.

After the LUN information is exchanged, the host will send data read and write requests to the LUN ID of the target LUN.

C.

Before and after LUN information exchange, the data volume ID of the source LUN will change.

D.

Before and after LUN information exchange, the LUN ID of the source LUN remains unchanged.

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Question # 52

An enterprise storage device generates a fault alarm. After Engineer A arrives at the customer site, he prepares to collect storage

The storage equipment information is passed to R&D for further analysis. What collection methods can Engineer A use to collect information ()

A.

Collect storage system configuration data through the command line

B.

Use DeviceManagerl to collect logs and alarms

C.

Configure the public network IP for the storage, let R&D log in directly to collect information

D.

Install SmartKit software to collect information

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Question # 53

Which one of the following options is incorrect about the CIFS share configuration statement?

A.

After the Guest is checked, the user does not need to enter the user name and password when accessing the shared directory on the client.

B.

After Notify is enabled, a client can not be accessed by other clients for changes in a directory.

The client-side awareness of this directory and its parent directory.

C.

When Oplock (Opportunisticlocking) is enabled, the file will be advanced before being sent to the shared storage

Local caching of rows helps improve client access efficiency.

D.

After the mandatory signature is checked, the client will be forced to use the signature function. If the client is not set to enable state, then

OceanStor 9000 will reject this client's data access request.

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Question # 54

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

A.

After a node fails, the client business connected to this node is quickly switched to other nodes to take over, and the business is not interrupted.

B.

Load balancing can be realized according to business and node status, and data access is evenly distributed in the cluster.

C.

Compatible with multiple operating systems and can realize file resource sharing in a heterogeneous network environment.

D.

Provide shared services externally in a cluster mode, and nodes can monitor each other's service status.

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Question # 55

Maintenance Engineer A In order to better operate and maintain Huawei OceanStor 6810 V5 equipment, refer to related product manuals to understand its features.

Which of the following options describe the product characteristics that are correct

A.

Thanks to the high-performance and low-power ARM processor of the 7nm process, the design of the storage PCB board is more concise and the internal space

Occupies smaller

B.

The back-end disk enclosure interface supports self-developed RDMA high-speed interface

C.

The back-end disk enclosure interface supports SAS3.0 interface

D.

CPU and control module switch to Kunpeng self-developed architecture

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Question # 56

During the processing of Huawei's distributed block service IO stack, the block service of the EDS node writes the data for the write request.

Into the cache, the read request is first hit in the index, if it is not hit, it is read from the cache

A.

True

B.

False

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Question # 57

Object service provides a wealth of object resource (bucket or object) access permission control capabilities, of which ACL can only

Used to prohibit permissions, and cannot grant permissions.

A.

True

B.

False

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Question # 58

Huawei’s hyper-converged storage adopts a distributed hash algorithm, and single-selects HASH calculation and local memory metadata, which can be

The bottleneck can be arbitrarily expanded horizontally.

A.

True

B.

Wrong

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Question # 59

In the SmartQuota feature of Huawei Oceanstor hybrid flash storage, you can select the capacity quota limit or file number configuration.

For the same directory, user or user group, the two quota limit methods cannot be selected at the same time.

A.

True

B.

False

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Question # 60

Single Choice Company A plans to adopt hyper-convergence to realize the rapidly changing information needs of the enterprise. The following items are the architectural features of hyper-convergence

()

A.

Business-centric Scale-Out architecture

B.

Data-centric Scale-Up architecture

C.

Data-centric Scale-Out architecture

D.

Computing-centric Scale-Up architecture

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Question # 61

Among the following configuration strategies, which configuration can improve the security of the storage system ()

A.

Configure an accessible IP address

B.

Configure account policy

C.

Configure user account audit

D.

Configure login policy

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Question # 62

Large e-commerce company A purchased Huawei's hyper-converged storage products to build a private cloud. Which of the following options reflect the advantages of the product ()

A.

Unified service catalog

B.

Unified management of physical resources and virtual resources, support for unified management of heterogeneous virtualization

C.

The self-service delivery process enables users to quickly obtain the resources they need

D.

Unified presentation of management information such as alarms, topology, performance, reports, etc. of multiple cloud service resource pools

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Question # 63

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

A.

Support to generate local backup snapshots in seconds to obtain consistent data copies

B.

Support custom backup strategy and copy threshold

C.

Support both block storage and file system

D.

When backing up in a remote location, only the initial full backup is performed, and only the incremental data is backed up later

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Question # 64

The hardware snapshot of the OceanStor backup solution supports storage devices from all vendors.

A.

True

B.

False

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Question # 65

Which of the following features in Huawei Oceanstor 9000 (C30) does not require activation of the corresponding license?

A.

Automatic hierarchical storage

B.

Quota management

C.

Directory snapshot

D.

Round-robin load balancing

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Question # 66

C72 is "a large-capacity archive node device with a height of 4U, but it can also be fully equipped with 272 SAS disks to accommodate one

Some scenarios with relatively high performance and capacity requirements.

A.

True

B.

False

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Question # 67

The customer has a third-party storage system and wants to build a local high-availability solution for the storage system, and plans to purchase OceanStor 5600 V3

And only purchase the HyperMirror license, this plan:

A.

Feasible, the conditions meet the local high availability requirements.

B.

Not feasible, HyperMirror needs to combine SmartVirntualization features to achieve local high availability of heterogeneous storage systems.

C.

Not feasible, HyperMirror needs to combine HyperCopi features to achieve local high availability of heterogeneous storage systems.

D.

Not feasible, HyperMirror needs to combine HyperClone features to achieve local high availability of heterogeneous storage systems.

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Question # 68

Multiple Choices What are the advantages of Huawei OceanStor 9000 clustered NAS technology over traditional NAS storage systems? Multiple choices

A.

The failover is fast, and the failure of a single node in the cluster does not affect the business

B.

Multi-node cluster, load balancing, global cache, provide strong performance

C.

The cluster is followed by SAN storage, and the SAN storage can use heterogeneous storage

D.

Scale-out engine architecture is scalable.

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Question # 69

Single choice What file system does Huawei Oceanstor 9000 use to provide a unified business access domain name?

A.

NTFS

B.

HDFS

C.

WushanFS

D.

EXT3

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Question # 70

The back-end storage network interfaces of FusionStorage block, file, and object storage clusters must be completely isolated.

When the corresponding physical clusters share a pair of CE6800 switches, VLANs need to be divided to distinguish the back-end storage networks of different clusters. A. True

B. False

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Question # 71

For the description of Huawei Oceantor9000 products, which of the following options is incorrect?

A.

Oceanstr 9000 adopts non-comprehensive symmetrical architecture

B.

Oceanstr 9000 provides flexible and seamless expansion of 3-288 nodes

C.

Oceanstor 9000 system adopts fully interconnected and fully redundant networking mode

D.

Oceanstor 9000 adopts distributed cluster architecture, no single point of failure

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Question # 72

In the data backup application scenario, compared with physical tape libraries, which of the following descriptions belong to the characteristics of disk backup media?

(Multiple choice)

A.

High backup and recovery performance.

B.

Low management and maintenance costs.

C.

It can realize the separation of the data storage disk and the device for reading and writing the disk, and realize the offline storage of the data.

D.

The unit storage cost is lower than that of physical tape.

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Question # 73

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

A.

capacity frequency allocation

B.

file quota

C.

calculate quota

D.

Mandatory Quota Answer

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Question # 74

The following statements about Huawei's SamtMulti-Tenant technology are single-selected, which one is wrong ()

A.

Role management is divided into preset default roles and custom roles

B.

There are three types of authority management: read-only, write-only and read-write

C.

A physical storage system can be divided into multiple virtual storage partitions, and the storage pools are shared among these virtual storage partitions

D.

In role management, three default roles are preset for tenant groups: tenant administrator, tenant data protection administrator, and tenant agreement administrator

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Question # 75

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()

A.

If the data is rolled back to the snapshot at time A, the snapshots created after time A will be deleted

B.

Snapshot rollback speed can reach the second level

C.

If the data is rolled back to the snapshot at time A, the snapshots created after time A will not be deleted

D.

Snapshot rollback is a full copy recovery of the source data at a certain point in time

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Question # 76

In the Huawei hybrid flash storage series storage system, which of the following is the wrong description of the relationship between the logical ports of IP drift?

A.

Multiple bonded ports can be configured on 1 VLAN

B.

Multiple bonding ports can be configured on one Ethernet port

C.

Ethernet port. Multiple VLANs can be configured on it

D.

Multiple logical ports can be configured on one bonded port

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Question # 77

An enterprise needs to continuously protect the data of its important business, and needs to monitor the number of LUNs without affecting the business.

According to different operations, such as: report generation, data testing, data analysis, etc. Which of the following characteristics can meet the requirements of the enterprise ()

A.

SmartVirtualization

B.

HyperCDP

C.

SmartCache

D.

HyperLock

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Question # 78

Which feature can provide file system snapshot features?

A.

InfolLocker

B.

InfoStamper

C.

NfoProtector

D.

InfoEqualizer

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Question # 79

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.

A.

KEYSTONE

B.

LDAP

C.

RBAC

D.

AD

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Question # 80

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

A.

It is recommended to use SS hard disks for the high-performance tier

B.

The capacity layer uses SATA HDD hard disks

C.

The performance layer uses SAS hard drives

D.

Enterprises have different requirements for storage performance. Considering the cost issue, it is recommended to use tiered storage

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Question # 81

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?

A.

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

B.

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

C.

Each file sharing directory is a subdirectory of the namespace

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Question # 82

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

A.

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

B.

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

C.

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

D.

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

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Question # 83

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

A.

OBS (Object-Based Store) is the file system metadata and

File data provides reliable object storage function

B.

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

C.

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

D.

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

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Question # 84

Single choice An enterprise customer plans to purchase Huawei Oceanstor 9000 to meet its 10PB data storage needs. The customer chooses

The C36 node of Oceanstor9000 has 4T SATA disks in the nodes, and 4+2 distributed RAID storage methods are used between the nodes.

Mode. Assuming that the system loss (including the possession of metadata and system data, hard disk loss, etc.) is 10%, theoretically the customer needs to purchase at least

How many C36 nodes can meet its business data storage requirements? (C)

A.

119

B.

72

C.

131

D.

107

E.

87

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Question # 85

Oceanstor 9000 adopts Erasure code technology to protect multiple selection data. If a period has 7 nodes,

And if the customer wants the disk utilization to reach at least 70%, the available redundancy protection levels are: (multiple choice)

A.

6+1

B.

4+2

C.

6+4

D.

12+2:1

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Question # 86

In Oceanstor 9000, if the data protection level is set to 4+2, the corresponding metadata will generate 3 copies of the same Of the mirror.

A.

True

B.

False

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Question # 87

In scenarios where customers have high requirements for file read and write performance, if the performance calculation application scenario, the backend of Oceanstor 9000 has been

With 10GE networking, what type of network should customers recommend for the front-end business network? (Multiple choice)

A.

0GE networking

B.

Old network

C.

GE networking

D.

FC networking

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Question # 88

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

A.

N+M data protection

B.

metadata mirroring

C.

Automatic failure detection and automatic data recovery

D.

Data scrub

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Question # 89

Regarding the description of the technical principle of the DCL small bitmap in remote replication, which items are incorrect

of ?

A.

Small bitmap technology can be applied to asynchronous remote replication.

B.

The small bitmap technology can reduce the amount of data copying and the risk of data loss, and improve the copy performance.

Reduce RPO.

C.

Small bitmap technology splits a 64KB Chunk into 16KB Chunk with smaller granularity to remember

Record the difference.

D.

According to the principle of small bitmap technology, when there are 6 consecutive different data addresses that need to be synchronized,

The granularity of the copy at this time is 4KB.

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Question # 90

After purchasing Huawei's all-flash storage devices, when planning the basic storage business, which of the following options must be planned ()

A.

Disk domain

B.

LUN capacity

C.

Storage pool capacity

D.

Number of LUNs

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Question # 91

In the Huawei Oceanstor 9000 storage system, when a certain InfoReplicator is in a split state, the following statement

Which one is incorrect?

A.

Pair split occurs, the possible cause is temporary link abnormality or network bandwidth expansion

B.

At this time, the master-slave relationship of the two directories specified by Pair remains unchanged

C.

After the Pair is resynchronized, the difference data and the synchronized amount that have not been copied to the secondary directory due to the split operation in the last synchronization need to be

Seek synchronization

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Question # 92

The correct statement about the Huawei Oceanstor 9000lnfoTier node pool is: (multiple choice)

A.

The node types in the node pool must be the same

B.

If it is an OPS intensive application scenario, it is better to configure P nodes in the node pool

C.

When the node pool is composed of P nodes, a node pool contains at least 3 nodes

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Question # 93

Single-select a Huawei Oceanstor 9000 cluster site, configure 4 P36 nodes, and use the back-end IB networking, regardless of temporary conditions.

In this case, how many back-end storage network IP addresses should be planned?

A.

4

B.

8

C.

16

D.

24

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Question # 94

Which of the following storage nodes will configure an SSD as a read cache by default: (multiple choice)

A.

P12

B.

P25

C.

C36

D.

C72

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Question # 95

When planning the IP address of the back-end storage network of the OceanStor 9000 IB network deployment plan, you need to plan for each node

2 back-end storage IP addresses and 1 temporary IP address

A.

True

B.

mistake

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Question # 96

When configuring the Simpana backup software, the configurable single-selection deduplication strategy does not include:

A.

Source deduplication

B.

Client deduplication

C.

Global deduplication

D.

Parallel deduplication

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Question # 97

Which of the following statements about the deployment of Huawei's active-active data center is correct: (multiple choice)

A.

The storage layer does not support one of the heterogeneous takeover of third-party storage, and then use the LUN structure after the takeover and the LUN on the other V3

Create a HyperMetro LUN.

B.

Deploy at least two independent GSLBs at each site at the network layer to achieve load balancing between sites.

C.

When deploying arbitration, the software supports installation on physical servers or virtual machines. The arbitration server uses the IP network to connect to the active-active data

Two sets of storage arrays of the heart.

D.

The transmission layer adopts Huawei OptiX OSN series DWDM, and each site deploys 2 sets of WDM equipment.

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Question # 98

The object storage services provided by OceanStor9000 (compatible with single-select Amazon S3 and OpenStack Swift) are all

A unified RESTful API is provided externally, and the client can access storage nodes through STfulAPI to realize data storage.

A.

True

B.

False

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Question # 99

Single choice If the Huawei N8000 clustered NAS system has 6 engine nodes and 4 5500T back-end storage, each engine node has

8 business network ports, how many IP addresses need to be planned in total?

A.

103

B.

104

C.

105

D.

106

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Question # 100

What professional storage value-added features does the HDFS interface provide for Hadoop business? (multiple choice)

A.

Remote replication

B.

Snapshot

C.

NDMP backup

D.

HtyperMetro

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Question # 101

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:

A.

1-3-5-2-4

B.

1-3-4-5-2

C.

1-5-3-4-2

D.

1-5-3-2-4

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Question # 102

Colleagues customize active-active disaster recovery solutions for customers. The customer already has a third-party storage system and plans to purchase a new OceanStor

In 5300 V3, the two sets of equipment are placed in two data centers to implement active-active disaster recovery. The solution:

A.

Feasible, the storage device meets the requirements of the self-sufficient active-active disaster recovery solution.

B.

Not feasible. The active-active disaster recovery solution requires at least two sets of OceanStor V3 storage.

C.

Not feasible. The active-active disaster recovery solution only supports Huawei storage and does not support third-party storage.

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Question # 103

In an OceanStor 9000 system, the total number of nodes is 10, and the data protection levels that can be configured for it can be:

A.

RAID1

B.

6+3

C.

6+4

D.

6+5

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Question # 104

Single selection In the Oceanstor 9000 system, a node refers to a collection of nodes with the same characteristics (physical type/access performance).

State tiered storage allows the physical nodes in the same file system to be divided into different node pools

A.

True

B.

wrong

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Question # 105

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

A.

OBS

B.

MDS

C.

PVS

D.

CA

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Question # 106

The quota types supported by OceanStor9000 InfoAllocator are:

A.

Capacity quota

B.

File quota

C.

Calculate quota

D.

Mandatory quota

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Question # 107

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

A.

Disk utilization

B.

CPU utilization

C.

Memory utilization

D.

Node throughput

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Question # 108

Which of the following options describes the Pusi onStorago typical deployment plan correctly: (multiple choice)

A.

When deploying only FusionStorage file or object storage services, the number of nodes is at least 3. And supports DSS, OMS and

File or object storage components are merged and deployed.

B.

When deploying only FusionStornge block storage service, the number of nodes is at least 5, and supports DSS, ONS and block storage components

Merge deployment.

C.

When FusionStorage file and object storage services are deployed at the same time, the number of nodes is at least 5, and supports DSS, OMS and

Fusion deployment of file or object storage components.

D.

When deploying FusionStorage block, file, or object storage services at the same time, the number of nodes must be at least 8, and FSM must be deployed

On block storage nodes, OMS and DSS components are evenly distributed to other nodes.

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Question # 109

Before deploying a disaster recovery plan, which information needs to be collected to choose more? (multiple choices)

A.

Production system equipment information

B.

Network information

C.

Business system

D.

Data volume

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