What is one feature which DTS has but Redis-shake does not?

You can use Alibaba Cloud Data transmission service (DTS) or the open source tool Redis-shake to migrate and synchronize data from a local Redis instance to an Alibaba Cloud Redis instance.

What is one feature which DTS has but Redis-shake does not?
A . Full data migration
B . Incremental data migration
C . One-way data synchronization
D . Two-way data synchronization

Answer: A