OA0-002 Online Practice Questions and Answers

Which of these is the correct interface definition used to bind a Service?

A. AIDL

B. IDL

C. KML

D. XML

Which of these is the correct method to persist SharedPreferences?

A. XML file

B. SQLite

C. json file

D. Java object

Which of these is the incorrect role for an Intent?

A. Start an Activity

B. Start a BroadcastReceiver

C. Start a ContentProvider

D. Start a Service

Which component cannot receive an Intent?

A. Service

B. Activity

C. ContentProvider

D. BroadcastReceiver

Which of these is not defined as a SharedPreferences access mode constant?

A. MODE_WORLD_WRITEABLE

B. MODE_PUBLIC

C. MODE_PRIVATE

D. MODE_WORLD_READABLE

Which is the executable file format for the Dalvik VM?

A. class file

B. jar file

C. dexfile

D. srecfile

Which of these is the correct explanation of debugging using the Android Debug Bridge (adb) with a mobile device? (Assume that the development environment is a Windows machine)

A. On the terminal, set HOSTADR=.

B. On the terminal, set ADBHOST=.

C. On the terminal, set ADBIP=.

D. On the terminal, set HOSTIP=.

When a MediaPlayer instance in the Idle state executes setDataSource() , which is the condition that said instance will transit to?

A. Started

B. Initialized

C. Idle

D. Preparing

Which of these is the incorrect explanation of SQLite?

A. It supports views.

B. It supports triggers.

C. It supports transactions.

D. It has support for server installation.

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