1Z0-869 試験問題を無料オンラインアクセス

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

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.circuit-oriented mechanism
• E.basic serial output connection

Given:
rs is an object of type javax.microedition.rms.RecordStore.
baos is an object of type java.io.DataOutputStream.
recId is an int.
Which adds a record to rs?

• A.byte [] b = baos.write();
  try { recId = rs.add(b, 0, b.length); }
  catch (Exception e) { }
• B.byte [] b = baos.toByteArray();
  try { recId = rs.addRecord(b, 0, b.length); }
  catch (Exception e) { }
• C.byte [] b = baos.write();
  try { recId = rs.addRecord(b, 0, b.length); }
  catch (Exception e) { }
• D.byte [] b = baos.toByteArray();
  try { recId = rs.add(b, 0, b.length); }
  catch (Exception e) { }
• E.byte [] b = baos.writeByteArray();
  try { recId = rs.addRecord(b, 0, b.length); }
  catch (Exception e) { }
• F.byte [] b = baos.writeByteArray();
  try { recId = rs.add(b, 0, b.length); }
  catch (Exception e) { }

Which two events can result in the removal of a MIDlet's dynamic push connection registration? (Choose two.)

• A.Using a call to PushRegistry.unregisterConnection().
• B.Using a call to PushRegistry.removeConnection().
• C.Opening the connection using Connector.open().
• D.When the MIDlet is uninstalled.
• E.Using a call to PushRegistry.registerConnection().
• F.When MIDlet.destroyApp() is called.

Which image format(s) must be supported by a JTWI 1.0 compliant device for Image object creation?

• A.TIFF and PNG
• B.all formats
• C.PNG only
• D.PNG and JPEG
• E.JPEG and GIF