最新的HCIE-Storage認證 H13-629_V2.5-ENU考試題庫

問題1

A customer plans to migrate 5TB of object storage data to HUAWEI CLOUD due to business needs. It is recommended to use the pre-migration evaluation function for resource evaluation, and then create object storage near-migration tasks in batches on the evaluation interface. The system will automatically divide it into multiple migration tasks based on the inventory and quantity distribution of objects in the bucket, improving migration efficiency and reducing migration time.

A. TRUE

B. FALSE

正確答案: A

問題2

A user migrates data through the Object Storage Migration Service (OMS) of HUAWEI CLOUD. When the number of concurrent migration tasks approaches the upper limit of migration, and there are new migration tasks that need to be executed as soon as possible, which of the following operations are not recommended? (Multiple Choice)

A. Directly add tasks that need to be uploaded first

B. Delete the current migration task, re-evaluate the amount of migrated data, and restart the migration

C. Suspend some of the current minor migration tasks, and give priority to important migration tasks

D. Cancel the current migration task and give priority to the important migration tasks

正確答案: A,B,D

問題3

Mean Time Between Failures (MTBF), which describes the average continuous failure-free time of a product during operational use or testing.

A. TRUE

B. FALSE

正確答案: A

問題4

Regarding the description of Huawei OceanStor all-flash storage system, which one is wrong?

A. It can provide front-end intelligent shared I/O module, and directly send the host I/O slices divided by LUN to the corresponding target controller

B. The data of each LUN is evenly distributed to the caches of all nodes

C. When creating a LUN, the LUN ownership needs to be planned to achieve load balancing of controllers in the system.

D. The caches of all controller nodes together form the global cache

正確答案: C

問題5

Which operating systems are supported by the online migration function of heterogeneous storage? (Multiple Choice)

A. ESXi

B. Ax

C. Linux

D. HPUX

正確答案: A,B,C,D

問題6

SmartCache, as a write cache service module in the storage system, uses SSD disks as an extension of RAM Cache in the storage system, and cache the clean hot data that it can't store for the RAM Cache.

A. TRUE

B. FALSE

正確答案: B

問題7

A customer plans to build a disaster recovery center that can take over the production business after the production center fails. The customer's business attributes can tolerate a 2-hour business suspension. The disaster recovery center is 50KM away from the production center. The customer requires the production center and the disaster recovery center to adopt the 1 mode, which can provide convenient disaster recovery management at the same time.
Which of the following description of the construction needs of the customer's disaster recovery center is false?

A. The storage capacity of the disaster recovery center needs to be the same as the storage capacity of the production center

B. In order to ensure business continuity, it is recommended that the customer use the active-active mode to build a disaster recovery center

C. Customers need to consider the management network, service network and replication network when planning the networking of the production center and disaster recovery center

D. Duplicate link recommends the client to use IP link

正確答案: B

問題8

Engineer T found a storage optical module with a high bit error rate during the daily inspection of the column storage, and planned to replace an optical module. Which of the following descriptions are correct? (Multiple Choice)

A. Engineer C needs to use a spare part with the same model and version as the faulty optical module.

B. Replacing the optical module will not cause the loss of the existing data, and there is no need to back up the data before the replacement

C. The storage has a path to connect the service host, and the optical module can be replaced at any time.

D. It is necessary to shut down the storage device and then replace the optical module.

正確答案: A,B,C

問題9

What are the possible states of a volume mirror copy in an Ocean Storage hybrid flash system?

A. Normal

B. Synchronize

C. Invalid

D. Unexpected interruption

正確答案: B

問題10

In the OceanStor 9000 system, when a service hard disk fails, which data recovery method will the system start?

A. Select multiple disks as target disks on other nodes for data recovery

B. Select a disk on some other node as the target disk for data recovery

C. Select a disk on this node as the target disk for data recovery

D. Select multiple disks as target disks on this node for data recovery

正確答案: A

問題11

The controller of the Huawei hybrid all-flash memory fails, and the storage system tries to reset. During the reset process, the data is stored in the cache. If the reset fails, the data in the cache will be written to the ( ) hard disk of the controller to avoid data loss.

A. Built-in safe

正確答案: A

問題12

When planning the backup capacity of storage, which factor does not need to be considered?

A. Backup network

B. Data Retention Period

C. Total amount of data

D. Deduplication rate

正確答案: A

問題13

In the OLTP business scenario, Huawei OceanStor hybrid flash storage uses SmartTier technology to create storage pools. Which of the following settings can improve the accuracy of tiered storage hotspot identification?

A. Decrease the Extent value

B. Keep Extent default value

C. Reduce the stripe depth

D. Increase the Extent value

正確答案: A

問題14

The HyperMetro feature implements I/O load balancing across arrays, that is, the I/O fragmentation method is sent on and off the write array. Which of the following statements about I/O fragmentation is correct?

A. 128MB

B. I/O shards' size is adjustable

C. 258MB

D. I/O shards are randomly distributed between the two arrays

正確答案: B

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