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

put
get
post
copy

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.