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

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Oracle 1Z0-869 Exam Syllabus Topics:

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

Question 1

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 26.
B. If connect() executes, a SecurityException is thrown at runtime at line 28.
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 ConnectionNotFoundException is thrown at runtime at line 24.

Question 2

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. 80
B. 25
C. 0
D. 443

Question 3

Which JAD attribute must be present to begin the MIDlet suite authentication process using
X.509 PKI?

A. MIDlet-Permission
B. MIDlet-Certificate-n-m
C. MIDlet-Permission-Opt
D. MIDlet-Jar-RSA-SHA1

Question 4

DRAG DROP
Click the Task button.
Place the connection interfaces in their appropriate places in the hierarchy.

Question 5

Given the MIDlet code:
1 5. boolean main_called;
1 6. public static void main(String args[]) {
1 7. main_called = true;
1 8. }
1 9. public void startApp() {
2 0. int a;
2 1. if (true == main_called) {
2 2. a = 1;
2 3. } else {
2 4. a = 5;
2 5. }
2 6. }
What is the result?

A. The source compiles. The MIDlet is started and a = 5.
B. The source compiles. The application management system will not load this MIDlet.
C. A compilation error occurs when compiling this source.
D. The source compiles. The MIDlet is started and a = 1.
E. An error occurs at compile time.

Solutions: