Oracle Oracle Certifications 1Z0-869 Questions & Answers

• Question 51:

  A MIDlet suite running on a GSM phone successfully receives an SMS text message msg from another GSM phone. The suite is using a valid SMS MessageConnection object conn opened in server mode.

  The suite tries to respond back using:

  msg.setPayloadText("thank you!");

  conn.send(msg);

  Which is true?

  A. The code always fails because the connection object is missing an address for sending a response.

  B. The code can succeed because the connection object contains an address for sending a response.

  C. The code can succeed because the message object contains an address for sending a response.

  D. The code always fails because the message object is missing an address for sending a response.

  Correct Answer: C

• Question 52:

  Click the Exhibit button.

  The method in the Exhibit must create an HTTP GET connection that works reading both of the following HTTP server response cases:

  HTTP server response headers n.1

  1.

  HTTP/1.1 200 OK

  2.

  Server: MyServer/1.3.0

  3.

  Content-Length: 3245

  4.

  Content-Type: text/html

  HTTP server response headers n.2

  1.

  HTTP/1.1 200 OK

  2.

  Server: MyServer/1.3.0

  3.

  Content-Type: text/html

  Which two can be used in the fragment of code starting at line 12? (Choose two.)

  

  A. 12. int ch;

  13.

  while ((ch = is.read()) != -1) {

  14.

  //...

  20. }

  B. 12. int ch;

  13.

  while ((ch = is.read()) == -1) {

  14.

  //...

  20. }

  C. 12. if (len > 0) {

  13.

  byte[] data = new byte[len];

  14.

  int actual = is.read(data);

  15.

  //...

  20.

  } else {

  21.

  int ch;

  22.

  while ((ch = is.read()) != -1) {

  23.

  //...

  examollectionvce.com Leaders in IT Certification 153

  

  30.

  }

  31.

  }

  D. 12. byte[] data = new byte[len];

  13. int actual = is.read(data);

  Correct Answer: AC

• Question 53:

  A MIDP 2.0 compliant device creates an HTTP connection to a server that supports HTTP 1.1. Which is true?

  A. The device may or may NOT support HTTP 1.1.

  B. There is no such thing as a 1.1 version of HTTP.

  C. The device definitely supports HTTP 1.1.

  D. The device definitely does NOT support HTTP 1.1.

  Correct Answer: C

• Question 54:

  What is true when an enumeration applies both a RecordFilter class and RecordComparator class on a record store?

  A. The records that match the search criteria in RecordFilter will be returned using the ordering defined by RecordComparator.

  B. The return order of the result set is undefined.

  C. The records that match the search criteria in RecordComparator will be returned using the ordering defined by RecordFilter.

  D. All records will always be available as part of the enumeration result set.

  E. An enumeration CANNOT apply both a RecordFilter and RecordComparator.

  Correct Answer: A

• Question 55:

  Click the Exhibit button.

  Which two are true assuming this method is in a MIDlet? (Choose two.)

  

  A. Compilation fails due to a problem with code related to event handling.

  B. An exception occurs at runtime due to a problem related to the event handling code.

  C. The Chocolate Prefs choice is never displayed to the user.

  D. The text "You made a choice" is displayed immediately after the user makes a selection.

  E. Anonymous inner classes must NOT be used as event handlers within a MIDlet.

  F. The user can select more than one type of chocolate.

  Correct Answer: DF

• Question 56:

  Which two guarantee a wireless message will be removed from the incoming message buffer by the Application Management Software? (Choose two.)

  A. The user denies permission to execute the application.

  B. The incoming message buffer is full.

  C. The message does NOT pass the filter defined in the connection URL.

  D. The application has processed the incoming message.

  Correct Answer: CD

• Question 57:

  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. Data sent over a TCP/IP socket is received in the same order that it was sent.

  D. Both datagrams and sockets use streams as the basis for their communication.

  E. Datagrams are guaranteed to reach their intended destination.

  F. A datagram is an independent, self-contained message sent over the network.

  Correct Answer: CF

• Question 58:

  Click the Exhibit button. Given:

  The MIDlet is executed.

  The MIDlet is paused and resumed two times.

  What is the result?

  

  A. c: 3

  B. c: 0

  C. c: 2

  D. c: 1

  E. An exception is thrown at runtime.

  Correct Answer: A

• Question 59:

  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");

  Correct Answer: BCF

• Question 60:

  Which three methods can be used by a MIDlet to communicate with the Application Management Software? (Choose three.)

  A. getAppProperty()

  B. destroyApp()

  C. pauseApp()

  D. notifyPaused()

  E. notifyDestroyed()

  Correct Answer: ADE