Which two privileges can be restricted at the column level?

Database user SCOTT requires the privilege to select from all tables and you decide to configure this using a global role.
You have not yet configured the database with Enterprise User Security.
You plan to perform these steps:
1. create role GLOBAI._ROI.E identified globally;
2. grant select any table to GLODAL_COLE;
3. grant GLOBAL_ROLE to SCOTT;
What is the result?

You Issue this statement as user SYS:
audit, context namespace kilimanjaro attributes a, b;
Which is true?

Users and applications must be able to access a web server of type https using database package UTL_HTTP.
Which three are part of the configuration to make this possible?

What Is the first step when analyzing security within a database?