Oracle 1Z0-869 Online Practice Questions and Exam Preparation

Oracle 1Z0-869 Online Questions & Answers

• Question 181:

  Which two are true when deleting a record store? (Choose two.)

  A. If the record store is open, an exception will be thrown.
  B. For any registered listener of the record store, recordDeleted() will be called.
  C. The record store must be open prior to calling deleteRecordStore().
  D. The record store must be closed prior to calling deleteRecordStore().
  A. If the record store is open, an exception will be thrown.
  D. The record store must be closed prior to calling deleteRecordStore().

• Question 182:

  How are labels for Command objects displayed to the user?

  A. The device shows either the short or the long label.
  B. Both short and long labels are always available for the user to view.
  C. The short label is always available to view, while the long label may be displayed occasionally.
  D. The long label is only for description and is never displayed.
  A. The device shows either the short or the long label.

• Question 183:

  Which three are top level interfaces in the javax.wireless.messaging package? (Choose three.)

  A. MessageListener
  B. MessageHandler
  C. MessageConnection
  D. Datagram
  E. Message
  F. Connector
  A. MessageListener
  C. MessageConnection
  E. Message

• Question 184:

  A MIDlet has entered the paused state. Which is a valid action to attempt to make it active?

  A. The MIDlet cannot revert back to the active state.
  B. The MIDlet calls resumeRequest() through a timer.
  C. The MIDlet calls its own startApp() method.
  D. The MIDlet has to wait quietly to be rescheduled.
  B. The MIDlet calls resumeRequest() through a timer.

• Question 185:

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

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

• Question 186:

  Which two are true about class file verification as defined by the CLDC specification? (Choose two.)

  A. Verification is NOT required.
  B. Verification can use a custom implementation.
  C. Verification is completed at compile time and no further verification is necessary.
  D. Verification can use the same implementation as defined in the JVM specification.
  B. Verification can use a custom implementation.
  D. Verification can use the same implementation as defined in the JVM specification.

• Question 187:

  Which is true regarding CLDC?

  A. A CLDC implementation can provide features that are optional.
  B. A CLDC implementation CANNOT provide features that are optional.
  C. A CLDC implementation must provide at least one optional feature.
  D. A CLDC implementation generally defines a superset of J2SE technology.
  B. A CLDC implementation CANNOT provide features that are optional.

• Question 188:

  Given:

  a new record store rs, of type javax.microedition.rms.RecordStore containing zero records

  a method called addNewRecord that adds a record to rs

  And:

  21.

  addNewRecord("Amy");

  22.

  addNewRecord("Bill");

  23.

  addNewRecord("Candy");

  24.

  addNewRecord("Doug");

  25.

  rs.deleteRecord(1);

  26.

  rs.deleteRecord(3);

  27.

  addNewRecord("Ethan");

  28.

  addNewRecord("Frank");

  29.

  int nextRecNum = rs.getNextRecordID(); What is the value of nextRecNum?

  A. 6
  B. 7
  C. 4
  D. 5
  B. 7

• Question 189:

  A MIDlet makes its only attempt to register a push connection on a JTWI device using:

  PushRegistry.registerConnection(

  "datagram://:79", midlet, "10.0.0.???");

  Which is true?

  A. The MIDlet accepts datagram push connections on port 79 only from IP addresses in the range 10.0.0.100 to 10.0.0.255.
  B. The call to registerConnection() causes an exception, because the string 10.0.0.??? is an illegal argument.
  C. The MIDlet accepts datagram push connections on port 79 only from IP addresses in the range 10.0.0.100 to 10.0.0.255 and on any other port from IP addresses other than those in the range 10.0.0.100 to 10.0.0.255.
  D. The MIDlet accepts datagram push connections on port 79 only from IP addresses in the range 10.0.0.0 to 10.0.0.255.
  A. The MIDlet accepts datagram push connections on port 79 only from IP addresses in the range 10.0.0.100 to 10.0.0.255.

• Question 190:

  A MIDlet that is to be installed on a phone has different values for the MIDlet-Name property between the JAD file and the manifest in the JAR file. Which is true?

  A. The value in the JAD file overrides the value in the manifest.
  B. A dialog is presented to resolve the conflict.
  C. The MIDlet installation process will be aborted.
  D. The value in the manifest overrides the value in the JAD file.
  C. The MIDlet installation process will be aborted.