Which of the following descriptions of the principle of data deduplication technology is wrong?

• A.The stored data block is no longer stored, and no processing is required, such as no additional index.
• B.Through the index, you can see the complete logical view of the data.
• C.The same data block is physically stored only once.
• D.For the data that needs to be stored, perform a hash comparison with the data block as the unit.

Comment: *

Name: *

Email: *

Verification: *

During the maintenance of the Huawei Oceanstor 9000 system, a dedicated person is required to keep the system root password. When transmitting the password, pay attention to encryption, and try to avoid transmitting the password by mail.

• A.True
• B.False

Comment: *

Name: *

Email: *

Verification: *

When configuring basic storage services on Huawei all-flash storage, which of the following statements are correct? (Multiple choice)

• A.If the business host is a cluster, add all the hosts in the cluster to the same host group
• B.If you need to specify a specific port to connect to a business host, you need to create a port group to complete the relevant operations
• C.Before configuring basic services, you must first import the license
• D.When user application data is stored in multiple LUNs, LUN groups can be created to facilitate management

Comment: *

Name: *

Email: *

Verification: *

A remote replication consistency group is in normal state.
Before initiating a primary/secondary switchover for that consistency group, which operation must be performed?

• A.Disable write protection at the secondary site.
• B.Change the restoration policy to manual.
• C.Split pairs.
• D.No operation is required.

Comment: *

Name: *

Email: *

Verification: *

Which of the following statements about metadata on Huawei OceanStor 9000 is false?

• A.Mirroring does not increase the metadata access rate.
• B.Metadata on each node is a complete and independent copy.
• C.Mirror storage aims to improve metadata security.
• D.Huawei OceanStor 9000 stores metadata in mirrors.

Comment: *

Name: *

Email: *

Verification: *