The controllers of Huawei all-flash storage are connected by RDMA networking, and the control message and data are sent to the receiver together by preparing ( ) resources at the receiver in advance, reducing one interaction process and realizing low communication delay refer to.

Huawei's hybrid flash storage uses intelligent classification technology, which needs to be deployed on devices with different media types. Data that has not been accessed for a long time will be marked as cold data, and gradually transferred from slow media to high-performance media.

For the homogeneous online migration solution based on Huawei's heterogeneous virtualization technology, which of the following descriptions is correct?

After the remote replication configuration is complete, the secondary LUN is read-only by default.
If the primary LUN fails, the administrator needs to perform the ( ) operation to manually set the secondary LUN to be writable, so that the secondary storage system can manage the host business and ensure the continuous operation of the business.

Which of the following remote replication methods can the hyperReplicatian feature support?
(Multiple Choice)