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)

Which protocol provides the fastest transfer speed?

The customer puts forward the requirements of RPO=0 and RTO=0, and the colleague chooses the master-standby synchronous remote replication disaster recovery plan, so the plan is?

Which of the following statements is true? (Multiple Choice)

What type of deduplication does the following describe?
Dab blocks are directly stored to the cache when the system is busy and will be deduplicated during off-peak hours. The advantage is that data transmission performance is not affected. The disadvantage is that the extra storage space is required.