What method you should override to use Android menu system?

Correct Answer: A 🗳️
To specify the options menu for an activity, override onCreateOptionsMenu() (fragments provide their own onCreateOptionsMenu() callback).
References:
http://developer.android.com/guide/topics/ui/menus.html

What Activity method you use to retrieve a reference to an Android view by using the id attribute of a resource XML?

Correct Answer: B 🗳️
The findViewById(int id) method looks for a child view with the given id.
References:
http://developer.android.com/reference/android/view/View.html

Which of the following is not an Android component (i.e. a point from which the system can enter your application)?

Correct Answer: C 🗳️
Here are the four types of app components: Activities, Services, Content providers, and Broadcast receivers.
References:
http://developer.android.com/guide/components/fundamentals.html

During an Activity life-cycle, what is the first callback method invoked by the system?

Correct Answer: C 🗳️
References:
Android ATC Self Study Guide http://www.androidatc.com/pages-19/Self-Study

Which configuration file holds the permission to use the internet?

Correct Answer: D 🗳️
References:
Android ATC Self Study Guide http://www.androidatc.com/pages-19/Self-Study