Free Android Application Online Practice Tests

Thank you very much for taking test

Test your caliber

1. Which among these are NOT a part of Android's native libraries?
Webkit	Dalvik
OpenGL	SQLite

2. Android is based on Linux for the following reason.
Security	Portability
Networking	All of these

3. What operating system is used as the base of the Android stack?
Linux	Windows
Java	XML

4. What year was development on the Dalvik virtual machine started?
2003	2005
2007	2006

5. What is a key difference with the distribution of apps for Android based devices than other mobile device platform applications?
Applications are distributed by Apple App Store only	Applications are distributed by multiple vendors with different policies on applications
Applications are distributed by multiple vendors with the exact same policies on applications	Applications are distributed by the Android Market only

6. When developing for the Android OS, Java byte code is compiled into what?
Java source code	Dalvik application code
Dalvik byte code	C source code

7. What does the .apk extension stand for?
Application Package	Application Program Kit
Android Proprietary Kit	Android Package

8. When you distribute your application commercially,you'll want to sign it with your own key.
True	False

9. How does Google check for malicious software in the Android Market?
Every new app is scanned by a virus scanner	Users report malicious software to Google
Google employees verify each new app	A seperate company monitors the Android Market for Google

10. Which of these are not one of the three main components of the APK?
Dalvik Executable	Resources
Native Libraries	Webkit

11. What is the name of the program that converts Java byte code into Dalvik byte code?
Android Interpretive Compiler (AIC)	Dalvik Converter
Dex compiler	Mobile Interpretive Compiler (MIC)

12. What was the main reason for replacing the Java VM with the Dalvik VM when the project began?
There was not enough memory capability	Java virtual machine was not free
Java VM was too complicated to configure	Java VM ran too slow

13. Android Applications must be signed.
After they are installed	Before they are installed
Never	Within two weeks of installation

14. Which of the following are not a component of an APK file?
Resources	All of these are components of the APK
Native Libraries	Dalvik executable

15. The AWT and Swing libraries have been removed from the Android library set.
True	False

16. The R.java file is where you edit the resources for your project.
True	False

17. What is contained within the manifest xml file?
The permissions the app requires	The list of strings used in the app
The source code	All other choices

18. What is contained within the Layout xml file?
Orientations and layouts that specify what the display looks like	The permissions required by the app
The strings used in the app	The code which is compiled to run the app

19. The emulated device for android.
Runs the same code base as the actual device, all the way down to the machine layer	Is more of a simulator, and acts as a virtual machine for the Android device
Runs the same code base as the actual device, however at a higher level	An imaginary machine built on the hopes and dreams of baby elephants

20. Your Java source code is what is directly run on the Android device.
True	False