Oracle 1Z0-869 : Java Mobile Edition 1 Mobile Application Developer Certified Professional Exam

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Oracle 1Z0-869 Exam Syllabus Topics:

Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional Sample Questions:

Question #1
Given:
1 1. HttpsConnection c = (HttpsConnection)
Connector.open("https://www.mywebserver.com");
1 2. int portNumber = c.getPort();
What is the value of the portNumber variable after executing the code?

A. 443
B. 0
C. 25
D. 80

Question #2
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. Both datagrams and sockets use streams as the basis for their communication.
D. Data sent over a TCP/IP socket is received in the same order that it was sent.
E. Datagrams are guaranteed to reach their intended destination.
F. A datagram is an independent, self-contained message sent over the network.

Question #3
What are two benefits of the PushRegistry? (Choose two.)

A. It provides a way to restrict HTTP connections to well-known network addresses.
B. It provides a way for two MIDlet suites running on the same device to discover and communicate with each other in a secure manner.
C. It provides a way for the AMS to automatically invoke a MIDlet at a specified time if it is not already running.
D. It provides a way for an incoming connection to invoke a MIDlet that can handle the content sent by the connection.

Question #4
Which object or objects must be created to generate a simple tone?

A. A Player and a PlayerListener must be created.
B. A Player must be created.
C. A Player and ToneControl must be created.
D. None. Manager can be used to generate a simple tone.

Question #5
A JTWI device has a working socket implementation. A MIDlet requests permission to use socket connections on this device using the attribute MIDlet-Permissions-Opt, but is denied permission.
Given:
2 0. public void connect() {
2 1. try {
2 2. String addr = "socket://host.com:79";
2 3. SocketConnection sc;
2 4. sc = (SocketConnection) Connector.open(addr);
2 5. sc.setSocketOption(SocketConnection.LINGER, 5);
2 6. InputStream is = sc.openInputStream();
2 7. OutputStream os = sc.openOutputStream();
2 8. os.write("\\r\\n".getBytes());
2 9. int ch = is.read();
3 0. // ...
3 5. } catch (IOException ioe) {
3 6. // ...
4 0. }
4 1. }
Which is true assuming that the argument to Connector.open() points to a valid destination, and the device has resources to create new socket connections?

A. If connect() executes, a SecurityException is thrown at runtime at line 28.
B. If connect() executes, a ConnectionNotFoundException is thrown at runtime at line 24.
C. The device disallows the MIDlet to be installed.
D. If connect() executes, a SecurityException is thrown at runtime at line 24.
E. If connect() executes, a SecurityException is thrown at runtime at line 26.

Solutions: