When an engineer understands the local write process of the storage system, he believes that the host first writes the IO request to a certain controller engine, and then the engine writes the value directly to the engine's local hard disk.

What conditions should be considered for the device backup bandwidth? (Multiple choice)

During routine maintenance of the storage device, Engineer A entered a command such as "change user user_name=new user level=admin" through the CLI.
Which of the following statements is correct about this command? (Multiple Choice)

The CoE protocol means to encapsulate the FC protocol into TCP/IP protocol package and transmit it on the Ethernet.

Regarding the four disaster recovery modes of active-active, hot standby, warm standby, and cold standby, which of the following statements is wrong?