Which of the following operation retrieves the newest version of the object?

The correct answer is B. get.

The get operation retrieves the newest version of the object. It is a read-only operation that does not modify the object. The put operation creates or updates an object. The post operation creates a new object. The copy operation creates a copy of an object.

The get operation is the most common operation used in web applications. It is used to retrieve data from a server. The put operation is used to create or update data on a server. The post operation is used to create new data on a server. The copy operation is used to create a copy of data on a server.