Oracle 1Z0-869 Online Practice Questions and Exam Preparation

Oracle 1Z0-869 Online Questions & Answers

• Question 291:

  Given the MIDlet code:

  7.

  String s = System.getProperty("microedition.configuration");

  8.

  if (!s.equals("CLDC-1.1")) {

  9.

  s = "CLDC-1.1";

  10.

  }

  11.

  System.setProperty(s); Which statement is true?

  A. SecurityException is thrown at runtime.
  B. Property is set to "CLDC-1.1."
  C. Compilation fails because of an error in line 11.
  D. Compilation fails because of an error in line 7.
  C. Compilation fails because of an error in line 11.

• Question 292:

  wav is a content type supported on a device that executes:

  10.

  Player p;

  11.

  p = Manager.createPlayer("http://foobar.sun.com/sound.wav");

  12.

  p.prefetch(); Which is true?

  A. An exception is generated at runtime.
  B. No exception is thrown at runtime. No sound is played.
  C. The result is device-dependent.
  D. sound.wav is played on the device.
  B. No exception is thrown at runtime. No sound is played.

• Question 293:

  Which three dimensions of a standard-size application does the JTWI 1.0 specification define? (Choose three.)

  A. RMS data size
  B. screen size
  C. JAD size
  D. JAR size
  E. heap size
  A. RMS data size
  C. JAD size
  D. JAR size

• Question 294:

  Which API is guaranteed to be available for use by untrusted MIDlet suites with explicit confirmation from the user?

  A. javax.microedition.io.UDPDatagramConnection
  B. javax.microedition.io.HttpsConnection
  C. javax.microedition.io.SecureConnection
  D. javax.microedition.io.SocketConnection
  B. javax.microedition.io.HttpsConnection

• Question 295:

  Which is true for Item?

  A. The same Command may occur on more than one Item.
  B. The same Item may be appended to more than one Form at the same time.
  C. When adding a Command to an Item, specifying a command type other than Command.ITEM results in a compilation failure.
  D. Minimum and preferred size CANNOT be changed once an Item is created.
  A. The same Command may occur on more than one Item.

• Question 296:

  Given:

  MIDlet-Push-1: datagram://:444, com.fooworks.PushExample, *

  MIDlet-Push-2: datagram://:555, com.fooworks.PushExample, *

  are statically registered push connections and given:

  11.

  protected void startApp() {

  12.

  String[] connections = PushRegistry.listConnections(true);

  13.

  if(connections.length == 0) {

  14.

  connections = PushRegistry.listConnections(false);

  15.

  for (int i=0; i < connections.length; i++) {

  16.

  new DatagramHandler(connections[i]).start();

  17.

  }

  18.

  } else {

  19.

  for (int i=0; i < connections.length; i++) {

  20.

  new DatagramHandler(connections[i]).start();

  21.

  }

  22.

  }

  23.

  }

  Which two identify what will go wrong if the code is invoked by the Application Management Software in response to an inbound connection notification? (Choose two.)

  A. An IOException is thrown if there are no active connections.
  B. Datagrams for the active connection are handled, but any datagrams sent to the other port are missed.
  C. The first inbound datagram is ignored, all subsequent datagrams are handled by DatagramHandler.
  D. The first inbound datagram is handled, but all other datagrams are missed.
  E. Duplicate DatagramHandler objects are created if the MIDlet is paused and then resumed.
  B. Datagrams for the active connection are handled, but any datagrams sent to the other port are missed.
  E. Duplicate DatagramHandler objects are created if the MIDlet is paused and then resumed.

• Question 297:

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

• Question 298:

  Which three are basic interface types addressed by the Generic Connection Framework? (Choose three.)

  A. basic serial input connection
  B. telephony-oriented mechanism
  C. location-oriented mechanism
  D. basic serial output connection
  E. circuit-oriented mechanism
  A. basic serial input connection
  D. basic serial output connection
  E. circuit-oriented mechanism

• Question 299:

  Which is true regarding the javax.wireless.messaging package?

  A. Message objects are assumed always to be blocks of binary data.
  B. This API is designed to run exclusively on the GSM SMS protocol.
  C. The messaging protocols that use this API are typically store-and-forward.
  D. Messages are usually lost if the recipient is not connected at the time of sending.
  C. The messaging protocols that use this API are typically store-and-forward.

• Question 300:

  Which two are true regarding a device that implements JTWI? (Choose two.)

  A. The device must implement at least the lowest version of the API as identified by the JTWI specification.
  B. The device may implement a higher version of the API as identified by the JTWI specification.
  C. The device must implement the highest version of the API as identified by the JTWI specification.
  D. The device is NOT required to implement all of the MIDP 2.0 API as identified by the MIDP 2.0 specification.
  A. The device must implement at least the lowest version of the API as identified by the JTWI specification.
  B. The device may implement a higher version of the API as identified by the JTWI specification.