Q143 Which statement is true about database links?

Q143 Which statement is true about database links?

• (A). Private database link creation requires the same user to exist in both the local and the remote databases.
• (B). A public database link can be created only by sys.
• (C). A database link can be created only between two Oracle databases.
• (D). A public database link can be used by a user connected to the local database instance to connect to any schema in the remote database instance.
• (E). A database link created in a database allows a connection from that database’s instance to the target database’s Instance, but not vice versa.