Android Test2

Android Test 2

Questions

Time limit: 00:24:49

1. 1 points

   1. 

   While developing Android applications, developers can test their apps on…

   •   A )   Emulator included in Android SDK
   •   B )   Physical Android phone
   •   C )   Third-party Emulators (Youwave, etc.)
   •   D )   All three options will work
2. 1 points

   2. 

   If the UI begins to behave sluggishly or crash while making network calls, this is likely due to…

   •   A )   Network latency
   •   B )   Hardware malfunctions
   •   C )   Virus on the Server
   •   D )   Activity manager contains too much.
3. 1 points

   3. 

   If you want share the data across the all applications ,you should go for?

   •   A )   Shared Preferences
   •   B )   Content provider
   •   C )   Internal Storage
   •   D )   SQLite Databases
4. 1 points

   4. 

   Which among these are NOT a part of Android’s native libraries?

   •   A )   Webkit
   •   B )   Dalvik
   •   C )   OpenGL
   •   D )   SQLite
5. 1 points

   5. 

   How does Gargenta approach the problem of the app acting sluggishly due to network latency?

   •   A )   Starting over
   •   B )   Switching API levels
   •   C )   Refactoring code
   •   D )   Multithreading
6. 1 points

   6. 

   What file is responsible for glueing everything together, explaining what the application consists of, what its main building blocks are, ext.…?

   •   A )   Layout file
   •   B )   Strings XML
   •   C )   R file
   •   D )   Manifest file
7. 1 points

   7. 

   Android tries hard to _____low-level components, such as the software stack, with interfaces so that vendor-specific code can be managed easily.

   •   A )   confound
   •   B )   absract
   •   C )   modularize
   •   D )   compound
8. 1 points

   8. 

   When the activity is not in focus, but still visible on the screen it is in?

   •   A )   running state
   •   B )   stopped state
   •   C )   paused state
   •   D )   destroyed state
9. 1 points

   9. 

   Dialog classes in android?

   •   A )   AlertDialog
   •   B )   ProgressDialog
   •   C )   DatePickerDialog
   •   D )   All of the above
10. 1 points

    10. 

    Which of these are not one of the three main components of the APK?

    •   A )   Dalvik Executable
    •   B )   Resources
    •   C )   Native Libraries
    •   D )   Webkit
11. 1 points

    11. 

    Creating a UI (User Interface) in Android requires careful use of…

    •   A )   Java and SQL
    •   B )   XML and Java
    •   C )   XML and C++
    •   D )   Dream weaver
12. 1 points

    12. 

    The XML file that contains all the text that your application uses.

    •   A )   stack.xml
    •   B )   text.xml
    •   C )   strings.xml
    •   D )   string.java
13. 1 points

    13. 

    The Emulator is identical to running a real phone EXCEPT when emulating/simulating what?

    •   A )   Telephony
    •   B )   Applications
    •   C )   Sensors
    •   D )   The emulator can emulate/simulate all aspects of a smart phone.
14. 1 points

    14. 

    Difference between android api and google api?

    •   A )   The google API includes Google Maps and other Google-specific libraries. The Android one only includes core android libraries.
    •   B )   The google API one only includes core android libraries. The Android includes Google Maps and other Google-specific libraries.
    •   C )   Both a&b
    •   D )   None of the above
15. 1 points

    15. 

    How is a simulator different from an emulator?

    •   A )   Emulators are only used to play old SNES games, simulators are used for software development
    •   B )   The emulator is shipped with the Android SDK and third party simulators are not
    •   C )   The emulator can virtualize sensors and other hardware features, while the simulator cannot
    •   D )   The emulator imitates the machine executing the binary code, rather than simulating the behaviour of the code at a higher level
16. 1 points

    16. 

    What year was the Open Handset Alliance announced?

    •   A )   2005
    •   B )   2006
    •   C )   2007
    •   D )   2008
17. 1 points

    17. 

    Which piece of code used in Android is not open source?

    •   A )   Keypad driver
    •   B )   WiFi? driver
    •   C )   Audio driver
    •   D )   Power management
18. 1 points

    18. 

    What was the main reason for replacing the Java VM with the Dalvik VM when the project began?

    •   A )   There was not enough memory capability
    •   B )   Java virtual machine was not free
    •   C )   Java VM was too complicated to configure
    •   D )   Java VM ran too slow
19. 1 points

    19. 

    What is the name of the program that converts Java byte code into Dalvik byte code?

    •   A )   Android Interpretive Compiler (AIC)
    •   B )   Dalvik Converter
    •   C )   Dex compiler
    •   D )   Mobile Interpretive Compiler (MIC)
20. 1 points

    20. 

    What will services be used for in the Yamba project?

    •   A )   Recompile the source code
    •   B )   It will update tweets periodically in the background
    •   C )   The services will pause the app
    •   D )   Configures the user interface