Given:
Font font = Font.getFont(
Font.FACE_SYSTEM,
Font.STYLE_BOLD | Font.STYLE_ITALIC | Font.STYLE_UNDERLINED,
Font.SIZE_MEDIUM);
If Font.STYLE_ITALIC is unavailable on the device, what is the result?
A. IllegalArgumentException occurs.
B. Compile time error occurs.
C. RuntimeException occurs.
D. Device substitutes its closest substitute.
Which four are absent from the CLDC virtual machine? (Choose four.)
A. class file verification
B. thread groups and daemon threads
C. asynchronous exceptions
D. multi-threading
E. custom class loaders
F. object.finalize() method
G. inner and anonymous classes
Given
10. // ...
20.
VolumeControl vc;
21.
vc = (VolumeControl) player.getControl("VolumeControl");
22.
vc.setLevel(4);
23.
// ...
Which is true about the volume of audio playback from player when the code is executed?
A. The volume of the audio is up to the MIDP device.
B. The volume of the audio is exactly 40 dB.
C. The volume of the audio is approximately 0.4 dB.
D. The volume of the audio must be the same on all MIDP devices.
Which is false about untrusted MIDlet suites?
A. An untrusted MIDlet suite does not request permissions explicitly in the JAR manifest or the application descriptor.
B. Untrusted MIDlet suites may access protected APIs or functions if given explicit user permission.
C. JTWI devices must treat all MIDP 2.0 suites as trusted.
D. JTWI devices must treat all MIDP 1.0 suites as untrusted.
Which URL indicates the intention for one JTWI device to communicate with another JTWI device?
A. cbs://+18005551234:1234
B. sms://+18005551234
C. sms://+18005551234:1234
D. cbs://+18005551234
Assume a device supports datagrams and a MIDlet has permission to use datagram connections. Which two are true? (Choose two.)
A. Push registration can fail because the device does NOT support the use of datagrams by the PushRegistry.
B. Push registration can fail if another application has already reserved the connection on the device.
C. Push registration can fail if the allowed sender filter specified is *, which poses a security risk to the device.
D. Push registration can fail if there is a push registration conflict, but the user must be prompted as to how to resolve the problem.
Given:
11.
HttpsConnection c = (HttpsConnection)
Connector.open("https://www.mywebserver.com");
12.
int portNumber = c.getPort();
What is the value of the portNumber variable after executing the code?
A. 443
B. 80
C. 25
D. 0
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:
20.
public void connect() {
21.
try {
22.
String addr = "socket://host.com:79";
23.
SocketConnection sc;
24.
sc = (SocketConnection) Connector.open(addr);
25.
sc.setSocketOption(SocketConnection.LINGER, 5);
26.
InputStream is = sc.openInputStream();
27.
OutputStream os = sc.openOutputStream();
28.
os.write("\\r\\n".getBytes());
29.
int ch = is.read();
30.
// ...
35.
} catch (IOException ioe) {
36.
// ...
40.
}
41.
}
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. The device disallows the MIDlet to be installed.
B. If connect() executes, a SecurityException is thrown at runtime at line 26.
C. If connect() executes, a SecurityException is thrown at runtime at line 28.
D. If connect() executes, a ConnectionNotFoundException is thrown at runtime at line 24.
E. If connect() executes, a SecurityException is thrown at runtime at line 24.
What is the minimum configuration that JTWI 1.0 requires?
A. CLDC 1.1
B. no specific configuration
C. CDC
D. CLDC 1.0
The binding of networking protocols to a MIDlet at runtime can be compared to a type of relationship. Which relationship most closely matches the binding?
A. caller and callee
B. mark and sweep
C. application and device drivers
D. specification and implementation
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