Exam 9A0-384 topic 1 question 9 discussion

Assume there are multiple publish instances (publ,pub2 and pub3) serving requests for an online shopping site. The end user is allowed to provide reviews and comments for each product and about their shopping experience. The Dispatcher module is in place to load balance the requests to publish instances and there is only one author instance, named author, where content editors create the pages. When a user, named User A, provides comments and the request being served by publish Instance publ, in which three ways are these comments replicated to pub2 and pub3? (Choose three.)