Android Android Certification OA0-002 Questions & Answers

• Question 11:

  Which of these is the correct explanation of the Android Asset Packaging Tool (AAPT)?

  A. It automatically generates an ID for resource files in the asset folder.

  B. It creates Android bytecode from a class file.

  C. It is a tool required when using an external library.

  D. It can create new zip compatible archive files.

  Correct Answer: D

• Question 12:

  Which of these is the correct procedure to create and use an SQLite database?

  A. Call the ApplicationContext methods createDatabase() and openDatabase().

  B. Extend the android.database.sqlite.SQLiteOpenHelper class, implementing the onCreate() method and onUpgrade() methods, then call the getWritableDatabase() method.

  C. Declare an instance of the android.database.sqlite.SQLiteOpenHelper class and call each of the methods onCreate(), onUpgrade(), and getWritabieDatabase().

  D. Implement the android.database.SQLiteOpenHelper interface, writing the implementation of the onCreate() and onUpgrade() methods, and pass it as a parameter to ApplicationContext.createOrOpenDatabase().

  Correct Answer: B

• Question 13:

  When executing the following code and selecting the "tab2" tab then the "tab1", which is the correct method in the List1 class which will be called first? (Assume that the application operates normally no memory erasure occurs.)

  A. onCreate

  B. onResume

  C. Nothing will be executed

  D. onTabChanged

  Correct Answer: B

• Question 14:

  Which is the android.util package class necessary to output strings to the LogCat window in Eclipse?

  A. DebugUtils

  B. DisplayMetrics

  C. EventLog

  D. Log

  Correct Answer: D

• Question 15:

  Which of these is the incorrect explanation of Android license form?

  A. The libraries included in the Android platform all share the same license.

  B. Android uses Linux, which is licensed under the GPL.

  C. Apache License 2.0 applies to most parts of the Android platform, excluding Linux.

  D. Applications developed for Android can be licensed under the GPL.

  Correct Answer: A

• Question 16:

  Which of these is the correct explanation of the Android Debug Bridge (adb)?

  A. The adb client will not operate normally at startup if the adb server is not running.

  B. The adb server assigns even-numbered TCP ports to connect to the adb daemon.

  C. The adb server binds to TCP port 5037 to receive adb client communication.

  D. The adb server runs on emulators and on physical handsets.

  Correct Answer: C

• Question 17:

  Which of these is the correct file which declares the created ContentProvider class?

  A. Project file

  B. Manifest file

  C. Resource file

  D. Source file

  Correct Answer: B

• Question 18:

  Which class in the wifi package holds Wi-Fi network configurations, including the security configuration?

  A. ScanResult

  B. Wifi Configuration

  C. Wifilnfo

  D. WifiManager

  Correct Answer: B

• Question 19:

  Which is the command that cannot be executed from the Android emulator network speed emulation function?

  A. network speed 14.4 80

  B. network speed gsm

  C. network speed edge

  D. network speed 3g

  Correct Answer: D

• Question 20:

  Android destroys processes in sequence from less important processes when memory is insufficient. Which has the processes lined up in order of decreasing importance?

  A. Foreground>Visible>Service>Background>Empty

  B. Foreground>Service>Visible>Background>Empty

  C. Service>Foreground>Visible>Background>Empty

  D. Service>Foreground>Visible>Empty>Background

  Correct Answer: A