Oracle 1Z0-869 Online Practice Questions and Exam Preparation

Oracle 1Z0-869 Online Questions & Answers

• Question 141:

  Which guarantees the application can be installed without push registration conflicts?

  A. It is NOT the responsibility of the MIDlet to resolve these conflicts. The installer does this automatically.
  B. The MIDlet specifies the push registration in the JAD, but will register dynamically if there is a conflict.
  C. The MIDlet tries to register the connection dynamically after installation.
  D. The MIDlet specifies multiple push registration strings in the JAD.
  C. The MIDlet tries to register the connection dynamically after installation.

• Question 142:

  Click the Exhibit button. What is the result?

  

  A. myForm contains the string "run count: 2".
  B. An exception is thrown at runtime.
  C. myForm contains the string "run count: 0".
  D. myForm contains the string "run count: 1".
  E. myForm contains the string "waiting...".
  D. myForm contains the string "run count: 1".

• Question 143:

  Which arguments should be passed to Connector.open() and TextMessage.setAddress(), respectively, to initiate an SMS text message using a server connection?

  A. sms://+18005551234, with no need to call setAddress()
  B. sms://:1234 and sms://+18005551234
  C. sms://:1234, with no need to call setAddress()
  D. sms://+18005551234 and sms://:1234
  B. sms://:1234 and sms://+18005551234

• Question 144:

  Which creates a new record store of type javax.microedition.rms.RecordStore that can be shared between MIDlet suites?

  A. openRecordStore("cust", false, AUTHMODE_ANY, false);
  B. openRecordStore("cust", false, AUTHMODE_SHARED, false);
  C. openRecordStore("cust", true, AUTHMODE_SHARED, false);
  D. openRecordStore("cust", true, AUTHMODE_ANY, false);
  D. openRecordStore("cust", true, AUTHMODE_ANY, false);

• Question 145:

  Which two clarifications does the JTWI specification make regarding how devices implement the Mobile Media API? (Choose two.)

  A. A JTWI device must support HTTP for media file download of all supported media formats.
  B. A JTWI device must support MIDI file playback.
  C. A JTWI device must support WAV file playback.
  D. A JTWI device must support MP3 file playback.
  E. A JTWI device must support Real Time Streaming Protocol (RTSP) for media file download of all supported media formats.
  A. A JTWI device must support HTTP for media file download of all supported media formats.
  B. A JTWI device must support MIDI file playback.

• Question 146:

  What is the minimum number of received SMS messages that a JTWI device must be able to concatenate?

  A. no minimum
  B. 5
  C. 3
  D. 10
  E. 32
  C. 3

• Question 147:

  Assume a particular JTWI phone supports server socket connections. A MIDlet running on the phone attempts to register a connection using:

  PushRegistry.registerConnection(connection, midlet, filter); Assume connection, midlet, and filter are NOT null. The statement is executed and throws a ConnectionNotFoundException. What causes the exception?

  A. The phone does NOT support push connections using server sockets.
  B. The requested connection is already registered.
  C. The syntax of connection is invalid.
  D. The specified MIDlet does NOT exist.
  A. The phone does NOT support push connections using server sockets.

• Question 148:

  Given the MIDlet code:

  11.

  try {

  12.

  while (true) {

  13.

  ServerSocketConnection server = (ServerSocketConnection)

  14.

  Connector.open("socket://:444", Connector.READ, true);

  15.

  SocketConnection conn= (SocketConnection)

  16.

  server.acceptAndOpen();

  17.

  InputStream is = conn.openInputStream();

  18.

  StringBuffer buffer = new StringBuffer();

  19.

  for (int ch = -1; (ch = is.read()) != -1; ){

  20.

  buffer.append((char)ch);

  21.

  }

  22.

  System.out.println(buffer);

  23.

  }

  24.

  } catch (IOException x) {} Which two are true? (Choose two.)

  A. The device may run out of connections.
  B. The call to server.acceptAndOpen() on line 16 returns immediately if there is no activity on the connection.
  C. An IOException could occur, causing the while loop to terminate.
  D. The ServerSocketConnection is guaranteed to timeout at line 16 if there is no activity on the connection after a period of time.
  A. The device may run out of connections.
  C. An IOException could occur, causing the while loop to terminate.

• Question 149:

  There are different variants of opening a socket connection with the Generic Connection Framework. Which three are valid? (Choose three.)

  A. Connection conn = Connector.open("socket::java.sun.com");
  B. Connection conn = Connector.open("socket://java.sun.com");
  C. Connection conn = Connector.open("socket://");
  D. Connection conn = Connector.open("socket:80://java.sun.com");
  E. Connection conn = Connector.open("socket");
  F. Connection conn = Connector.open("socket://java.sun.com:80");
  B. Connection conn = Connector.open("socket://java.sun.com");
  C. Connection conn = Connector.open("socket://");
  F. Connection conn = Connector.open("socket://java.sun.com:80");

• Question 150:

  Which two errors are available in CLDC? (Choose two.)

  A. java.lang.VirtualMachineError
  B. java.lang.OutOfMemoryError
  C. java.lang.StackOverflowError
  D. java.lang.UnknownError
  A. java.lang.VirtualMachineError
  B. java.lang.OutOfMemoryError