Android Application Engineer Certifications Basic (OA0-002) Free Practice Test

Question 1

Which is the correct combination of (1 )~(3) to describe the Activity Lifecycle?

A. (l)Foreground (2)Background (3)Visible

B. (1)Visible (2)Foreground (3)Background

C. (1)Visible (2)Background (3)Foreground

D. (l)Foreground (2)Visible (3)Background

Correct Answer: A

Question 2

Which of these is the correct explanation of the Android NDK?

A. You can develop Android applications with just native code.

B. You can create a shared library using native code.

C. Since it can be executed without a Datvik VM, high speed performance can be achieved.

D. Usage of NDK is recommended, though the source code may become more complex, because debugging and other operations are easier.

Correct Answer: B

Question 3

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

A. Option b

B. Option d

C. Option a

D. Option c

Correct Answer: C

Question 4

Which of these is the incorrect explanation of BroadcastReceiver?

A. Receives an implicit Intent

B. Receives an Intent with a registered Permission

C. Receives an explicit Intent

D. Receives a broadcast Intent

Correct Answer: C

Question 5

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

A. /res/movie

B. /res/anim

C. /res/raw

D. /res/values

Correct Answer: C

Question 6

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 runs on emulators and on physical handsets.

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

Correct Answer: D

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