What are the two types of replication groups, and what are how are they used?

a. The two types of replication groups are a multipurpose replication group and a replication group for data collection.
b. A multipurpose replication group contains two or more servers and is used for content sharing and document publication when you want to provide fault tolerance and load balancing for file shares.
c. A replication group for data collection consists of only two servers and is used mainly to transfer data from one server to another for backup purposes.
d. A replication group contains two or more servers and is used for content sharing and document publication when you want to provide fault tolerance and load balancing for file shares.