Android Android Certification OA0-002 Questions & Answers

• Question 81:

  Which does not have a lifecycle?

  A. Service

  B. MediaPlayer

  C. ContentProvider

  D. Activity

  Correct Answer: C

• Question 82:

  Which of these is the correct explanation of SQLite?

  A. It is an object database.

  B. It is client-server format.

  C. It is possible to create and access a database by using SQLOpenHelper.

  D. It can be accessed by other applications through ContentProvider.

  Correct Answer: D

• Question 83:

  When reading videos from a resource, which is the recommended Android storage location for video files?

  A. /res/anim

  B. /res/raw

  C. /res/movie

  D. /res/values

  Correct Answer: B

• Question 84:

  Which of these is the correct processing necessary for data update notification at the time of creating an individual ContentProvider and using it?

  A. In the update method of the ContentProvider class, notify by calling the ContentResolver.setNotificationUri method.

  B. In the update method of ContentProvider class, notify by calling the Cursor.notifyChange method.

  C. In the update method of ContentProvider class, notify by calling the ContentResolver.notifyChange method.

  D. In the update method of the ContentProvider class, notify by calling the Cursor.setNotificationUri method.

  Correct Answer: C

• Question 85:

  Which of these is the incorrect explanation of Traceview?

  A. In order to create a Tracefile, you must write methods specifying the starting and ending positions of the part to be profiled.

  B. Since Tracefiles are saved on SD cards, the developer must specify a file name.

  C. Traceview is one of the tools of the SDK, and can be used from the command line or DDMS.

  D. Since Traceview cannot use tracefiles as is, a development machine with adb must be used.

  Correct Answer: B

• Question 86:

  Which of these is the incorrect description of the code executed when a Button widget is clicked?

  

  A. Option a

  B. Option b

  C. Option c

  D. Option d

  Correct Answer: A

• Question 87:

  Which is the processing that cannot be executed by using the emulator during development?

  A. Displaying information of the heap and threads.

  B. Emulation of outgoing calls

  C. Ending a process

  D. Receiving E-mail

  Correct Answer: D

• Question 88:

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

  A. It is necessary to register with Android Market and pay a license fee in order to develop a paid- for application on Android.

  B. There is no special provision regarding application license operation on Android.

  C. If an application is developed using Android, it is not a licensing violation if the source code is not made public.

  D. Since Android uses libraries licensed in various ways such as GPL, BSD, and LGPL, applications developed under Android are subject to the severest license, GPL.

  Correct Answer: C

• Question 89:

  Which function is not supported by the "android" command?

  A. The SDK Update function

  B. Functions to create and edit an Android Virtual Device (AVD)

  C. Startup function for Android SDK and the AVD Manager tool

  D. Functions to create and delete an Android project

  Correct Answer: D

• Question 90:

  Which is the permission added to the Android manifest file in order to access GPS?

  A. ACCESS_FINE_LOCATION

  B. ACCESS_COARSE_LOCATION

  C. ACCESS_CHECKIN_PROPERTIES

  D. ACCESS MOCK LOCATION

  Correct Answer: A