You can apply a drop shadow effect to a symbol using commands on the ____________________ menu.

__________ access control controls access based on the roles that users have within the system and on rules stating what accesses are allowed to users in given roles.

Fill in the blank(s) with the appropriate word(s).

What is the output of the following code?

``` string s("abc"); s.append("welcome"); cout << s << endl; ``` A. abcwelcome B. abc C. welcome D. welcomeabc