How Can U Recover Standby Which Far Behind From Primary (or) Without Archive Logs How Can We Make Standby Sync?

How Can U Recover Standby Which Far Behind From Primary (or) Without

1.	How Can U Recover Standby Which Far Behind From Primary (or) Without Archive Logs How Can We Make Standby Sync?
Answer» ANSWER :By USING RMAN INCREMENTAL BACKUP.