OA0-002 Online Practice Questions and Answers

Which approval is necessary to execute Bluetooth actions such as connection requests, connection receipt, and data forwarding?

A. BLUETOOTH

B. BLUETOOTH_ADMIN

C. ACCESS_WIFI_STATE

D. ACCOUNT MANAGER

Which ContentProvider does Android not provide as a standard?

A. A telephone log

B. A database

C. A bookmark

D. A contact list

Which is of these is the incorrect explanation of layoutopt?

A. It is a tool used on the command line and does not have GUI.

B. It helps optimize application layout and layout hierarchy.

C. It operates on the layout file.

D. It can be used as an SDK tool from revision 4 and later.

Which shows the correct Android architecture?

A. (1)Linux Kernel (2)Application framework (3)Library (4)Android runtime (5)Application

B. (1)Linux Kernel (2)Android runtime (3)Library(4)Application framework (5)Application

C. (1)Android runtime (2)Linux Kernel (3)Library (4)Application framework (5)Application

D. (1 )Linux Kernel (2) Library (3)Android runtime (4)Application framework (5)Application

Which is the required plugin to develop Android with Eclipse?

A. ADT

B. AJDT

C. CDT

D. RDT

The following program uses an Intent to open a Web page designated by a Web browser. Which is the correct code that goes into (1)?

A. android.intent.VIEW

B. android.intent.action.VIEW

C. android.intent.View

D. androidJntent.action.View

Which is the executable file format for the Dalvik VM?

A. class file

B. jar file

C. dexfile

D. srecfile

This class extends the View class and overrides the onDraw method. Which of the following will be displayed when executing the source code? (Assume the screen size is 480x320.)

A. Exhibit A

B. Exhibit B

C. Exhibit C

D. Exhibit D

Which of these is the incorrect explanation of signing an application?

A. It is necessary to sign with the same certificate an for application update.

B. It is necessary to configure the keystore file, including private key, for signing.

C. Signing is required for installation of an application.

D. It is required to use jarsigner for signing.

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

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

Which is the correct response shown when the following source code is executed and Button is pressed? (Assume the source code environment and configuration are correct.)

A. "Touch 1" will be displayed on the screen.

B. Touch2" will be displayed on the screen.

C. The button will not be displayed on the screen.

D. Nothing will happen upon button press.

Of these Service-defined events, which has a possibility of being called multiple times?

A. onCreate

B. onStartCommand

C. onBind

D. onDestroy

Which of these is the correct explanation of Map API key?

A. The Map API key is created by the keytool utility.

B. It is possible to define multiple Map API Keys in 1 apk file.

C. It is necessary to provide the developer's information in order to acquire a Map API key.

D. It is necessary to acquire one debugging Map API key for each PC.

Which of these is the correct class used when changing from the current Activity to a different Activity?

A. Service

B. Activity

C. ContentProvider

D. Intent