Identify the access that is initially available to connect to your Database as a Service (DBaaS) environment.
A.
telnet on port 23
B.
SSH on port 22
C.
SSL/TLS on port 443
D.
Cloud Control on port 7799
E.
Enterprise Manager on port 1158
Explanation:
By default, network access to the deployment is restricted to SSH connections on port 22.
https://docs.oracle.com/en/cloud/paas/database-dbaas-cloud/csdbi/network-access-vi.html