You want to create a file watcher and an event-based job for detecting the arrival of files on the local server from various locations. To achieve this, you enable the raising of file arrival events from remote systems. Which two conditions must be satisfied to receive file arrival events from a remote system? (Choose two.)
A. The remote system must have a running Oracle Database instance and a scheduler agent installed
B. The initialization parameter REMOTE_OS_AUTHENT must be set to TRUE on your database
C. The local database must be set up to run remote external jobs
D. The remote system's scheduler agent must be registered with your database
E. Database links to remote databases must be created