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Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional Sample Questions:

1. Which two are true about sockets and datagrams? (Choose two.)

A) Both datagrams and sockets use streams as the basis for their communication.
B) Closing a SocketConnection automatically closes any associated input or output streams.
C) Data sent over a TCP/IP socket is received in the same order that it was sent.
D) Datagrams are used to send packets of data over a SocketConnection.
E) Datagrams are guaranteed to reach their intended destination.
F) A datagram is an independent, self-contained message sent over the network.

2. Which three are goals of the CLDC specification? (Choose three.)

A) It does NOT provide device-specific APIs.
B) It is intended to be an application development platform.
C) It is intended as a systems programming environment.
D) It allows device manufacturers to build more extensible devices.
E) It allows developers to port existing applications to mobile devices.

3. Assuming an application descriptor contains:
MIDlet-Data-Size: 4096
Which is true?

A) The device will use 4096 bytes to buffer data the application sends over the network.
B) The device will permanently reserve 4096 bytes of RMS space for the application.
C) The device will permanently reserve 4096 bytes of heap space for the application.
D) The device will use 4096 bytes to buffer data the application receives over the network.

4. A MIDlet has registered a push connection in the PushRegistry and a connection notification is pushed to the device. Which two are true? (Choose two.)

A) If the MIDlet is NOT running, the Application Management Software starts the MIDlet.
B) The Application Management Software is always responsible for any inbound notification requests.
C) Once a connection is registered in the PushRegistry, the Application Management Software is always responsible for any connections.
D) If the application is running, it is responsible for all I/O operations associated with the inbound connection.
E) If the MIDlet is in the paused state, the Application Management Software is responsible for any inbound notification requests.

5. What is the area that the developer must paint when using CustomItem?

A) CustomItem must paint the content area, its labels, and its border.
B) CustomItem size is always honored by the system. Once created, the CustomItem always has this area to paint in.
C) CustomItem is limited to painting in the content area.
D) The areas are unlimited. CustomItem may paint inside any area on the screen.

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