When performing Oceanstor 9000 network tuning, which of the following commands can check whether the network port is connected?

• A.ifconfig
• B.Ispci lgrep Ether
• C.ethtoo

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Huawei's SmartPartition feature supports not multiple options for setting the same read and write cache capacity for partitions. Which of the following about the impact of cache capacity on services with different features are correct? (Multiple choice)

• A.For sequential services, the cache capacity does not need to be large, it only needs to meet the I/O consolidation requirements
• B.For write business, more cache capacity means higher write consolidation rate, write hit rate and better access order
• C.For random services, a larger cache capacity means a better order of access to disks, which leads to improved performance
• D.For the read business, more cache capacity means a higher read hit rate

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An enterprise adopts Huawei OceanStor hybrid flash storage for multi-select storage. In order to facilitate management, the administrator uses SmartQuota technology to create different Quota Trees on the root directory for separate use by departments A, B, and C.
Which of the following statements about setting the quota type are correct? (Multiple choice)

• A.You can set directory quota on Quota Tree
• B.You can set the default directory quota on Quota Tree
• C.You can set user quotas on Quota Tree
• D.User group quota can be set on Quota Tree

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In Huawei all-flash storage, if the storage device generates a fault alarm, it needs to be repaired before it can work normally.

• A.False
• B.True

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An enterprise has multiple applications such as desktop cloud, database, video-on-demand application, backup, etc., which occupies a large amount of storage resources, and plans to enable deduplication and compression. Which of the following options are recommended for configuration? (Multiple choice)

• A.It is not recommended to configure the deduplication compression feature for video-on-demand scenarios, because the video file has been compressed by the application software, and the efficiency of re-compression is low
• B.It is not recommended to configure the data deduplication feature for backup scenarios, because the backup data needs to be kept intact
• C.It is recommended to configure the compression feature for database scenarios, because the amount of data that needs to be stored is large
• D.It is recommended to configure the deduplication feature in desktop cloud scenarios, because there are more duplicate data between multiple virtual images

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