フリー問題

問題文

A package inside the database has to fetch a document from an internal web server. The call keeps failing until an access control entry is added for that server. Which kind of access does that entry authorize?

選択肢

1. The name resolution that turns the host name into an address.
2. The privilege that lets the caller execute the package which opens the connection.
3. The outbound connection that a database session opens toward the named host and the named port.
4. The inbound connection that the listener accepts from the client on behalf of the session.