Exam Code: 1Z0-869 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: Java Mobile Edition 1 Mobile Application Developer Certified Professional Exam
Certification Provider: Oracle
Free Today! Guaranteed Training- Pass 1Z0-869 Exam.
2021 Aug 1Z0-869 study guide
Q161. DRAG DROP - (Topic 2)
Click the Task button.
Place each class on its corresponding specification.
Answer:
Q162. - (Topic 3)
Given: 10. MessageConnection conn;
11.
12.
public void startApp() {
13.
try {
14.
conn = (MessageConnection) Connector.open("cbs://:3382");
15.
//...
17.
} catch (Exception e) {
18.
//...
20.
}
21.
}
22.
30.
public void run() {
31.
Message msg = conn.receive();
32.
//...
40.
conn.send(msg);
41.
}
What is the result?
A. An error at line 40 causes an exception at runtime.
B. An error at line 14 causes an exception at runtime.
C. An error at line 14 causes compile to fail.
D. The code successfully sends a message.
E. An error at line 31 causes an exception at runtime.
Answer: A
Q163. - (Topic 3)
What is the minimum number of received SMS messages that a JTWI device must be able to concatenate?
A. no minimum
B. 5
C. 3
D. 10
E. 32
Answer: C
Q164. - (Topic 1)
A MIDlet suite is signed using X.509 PKI. Which encoding format must be used for the certificate entries in the JAD file?
A. yEnc
B. binary
C. none
D. base64
Answer: D
Q165. - (Topic 1)
Which two clarifications does the JTWI specification make regarding how devices implement the Mobile Media API? (Choose two.)
A. A JTWI device must support HTTP for media file download of all supported media formats.
B. A JTWI device must support MIDI file playback.
C. A JTWI device must support WAV file playback.
D. A JTWI device must support MP3 file playback.
E. A JTWI device must support Real Time Streaming Protocol (RTSP) for media file download of all supported media formats.
Answer: A,B
Leading 1Z0-869 study guide:
Q166. - (Topic 2)
When using X.509 PKI, where must a MIDlet suite's security certificates be placed?
A. in a user-defined subclass of SecurityInfo in the JAR's META-INF directory
B. inlined in the JAR manifest, using a base64 encoding
C. inlined in the JAD, using a base64 encoding
D. in .cer files in the JAR's META-INF directory
Answer: C
Q167. - (Topic 1)
Which arguments should be passed to Connector.open() and TextMessage.setAddress(), respectively, to initiate an SMS text message using a server connection?
A. sms://+18005551234, with no need to call setAddress()
B. sms://:1234 and sms://+18005551234
C. sms://:1234, with no need to call setAddress()
D. sms://+18005551234 and sms://:1234
Answer: B
Q168. - (Topic 2)
Given a class named MyCanvas, which three CANNOT be used if MyCanvas is a direct subclass of Canvas? (Choose three.)
A. public MyCanvas(boolean t) {
super(true);
}
B. isDoubleBuffered();
C. Sprite s = new Sprite(anImage, 20,20);
D. keyStates = getKeyStates();
if ((keyStates & LEFT_PRESSED) != 0) { }
E. flushGraphics();
F. gameAction = getGameAction(keyCode) { }
Answer: A,D,E
Q169. - (Topic 2)
Which is true about a Ticker object?
A. The Ticker can be started and stopped through methods in the API.
B. Direction and speed of scrolling can be controlled through methods in the API.
C. A Ticker may be shared by several Displayable objects.
D. Ticker is a subclass of Screen.
Answer: C
Q170. - (Topic 1)
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.
Answer: A