Which statement is true about port forwarding by using SSH?

There are two ways to enable a port to a Database as a Service (DBaaS) instance. The
first requires access to the Compute Cloud Service Console to open the ports to a set of IP
addresses. The second is to create a tunnel for port forwarding by using SSH.
Which statement is true about port forwarding by using SSH?

A.
The SSH tunneling the configured SSH process must be running on the consumer side
of thetunnel.

B.
The SSH tunneling the configured SSH process must be running on the instance side of
the tunnel.

C.
The SSH tunneling to access the DBaaS instance database via SQL Developer or
SQL*Plus must be configured to port 1522.

D.
The SSH tunneling to access the DBaaS instance database via APEX must be
configured to port 8080.