Q109 Which two statements are true about the tools used to configure Oracle Net Services

Q109 Which two statements are true about the tools used to configure Oracle Net Services:

• A) Oracle Net Manager can be used to locally configure naming methods on a database server.
• B) Oracle Net Manager can be used to centrally configure listeners on any database server target.
• C) Enterprise Manager Cloud Control can be used to centrally configure net service names for any database server target
• D) The lsnrctl utility requires a listener.ora file to exist before it is started.
• E) The Oracle Net Configuration Assistant is only used when running the Oracle Installer.