A TV station uses a Huawei hybrid flash storage device in FC networking to store videos. When using it recently, occasionally the video screen freezes. Engineer A will troubleshoot the fault after arriving at the site. Which of the following is the correct troubleshooting method? (Multiple choice)

• A.First check whether the client status is normal, and whether the resource is tight and causing the freeze
• B.Check whether there is a RAID group degradation alarm
• C.Check the storage device failure alarm indicator
• D.Check the open status of the client firewall port

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Which of the following descriptions of cloud storage systems are correct? (Multiple choice)

• A.The scalability of the OceanStor9000 storage system is better than that of the cloud storage system
• B.The OceanStor9000 storage system will also become a part of the cloud storage system in the future
• C.Huawei's cloud storage system can provide storage services to users of the VMwaxe cloud platform
• D.Huawei's cloud storage system can only provide storage services to Huawei's cloud platform and users on it

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OceanStor V3 series storage systems support COW file systems. When new dab is written or data is changed, the original data will not be overwritten but the new data and data change id written into new allocated disk space. ROW file systems feature solid reliability and flexible scalability and become mainstream file systems such as ZFS, Btrfs, and nilfs.

• A.FALSE
• B.TRUE

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In which scenarios can OceanStor BCManager eReplication be used? (Multiple Choice)

• A.Active-passive DR
• B.HyperMetro DC
• C.Geo-redundant DR
• D.Local HA

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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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