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2021 Sep 1Z0-869 braindumps
Q181. - (Topic 3)
Which two are true? (Choose two.)
A. WMA provides a set of APIs for multimedia content handling.
B. The J2SE specification extends the MIDP specification.
C. The goal of the CLDC is to guarantee portability and interoperability between various types of resource-constrained devices.
D. MIDP 2.0 is a set of APIs that runs on top of the CLDC.
Answer: C,D
Q182. - (Topic 3)
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.
Answer: C
Q183. - (Topic 3)
Which two can a developer use to create a Timer that will go off in 5 seconds, repeating every 3 seconds? (Choose two.)
A. timer.schedule(timerTask, new Date().getTime() + 5000, 3000);
B. timer.scheduleAtFixedRate(timerTask, 5, 3);
C. timer.schedule(timerTask, 5000, 3000);
D. timer.schedule(timerTask, 5, 3);
E. timer.scheduleAtFixedRate(timerTask, 5000, 3000);
Answer: C,E
Q184. - (Topic 3)
Which two are true regarding a device that implements JTWI? (Choose two.)
A. The device must implement at least the lowest version of the API as identified by the JTWI specification.
B. The device may implement a higher version of the API as identified by the JTWI specification.
C. The device must implement the highest version of the API as identified by the JTWI specification.
D. The device is NOT required to implement all of the MIDP 2.0 API as identified by the MIDP 2.0 specification.
Answer: A,B
Q185. - (Topic 2)
Which URL indicates the intention for one JTWI device to communicate with another JTWI device?
A. cbs://+18005551234
B. cbs://+18005551234:1234
C. sms://+18005551234:1234
D. sms://+18005551234
Answer: C
Far out 1Z0-869 test engine:
Q186. DRAG DROP - (Topic 1)
Click the Task button.
Place the connection interfaces in their appropriate places in the hierarchy.
Answer:
Q187. - (Topic 3)
A MIDlet has registered a push connection in the PushRegistry and a connection notification is pushed to the device. Which two are true? (Choose two.)
A. If the MIDlet is NOT running, the Application Management Software starts the MIDlet.
B. If the application is running, it is responsible for all I/O operations associated with the inbound connection.
C. The Application Management Software is always responsible for any inbound notification requests.
D. Once a connection is registered in the PushRegistry, the Application Management Software is always responsible for any connections.
E. If the MIDlet is in the paused state, the Application Management Software is responsible for any inbound notification requests.
Answer: A,B
Q188. - (Topic 3)
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");
Answer: B,C,F
Q189. - (Topic 2)
Which is the most efficient method to generate a silence between tones in a tone sequence?
A. use RateControl with ToneControl
B. stop the playback of the tone sequence and restart it
C. pause playback and set volume to -1
D. use the constant ToneControl.SILENCE
Answer: D
Q190. - (Topic 1)
Which two are true about errors and exceptions in a CLDC-compliant virtual machine? (Choose two.)
A. A CLDC-compliant virtual machine must NOT throw a VirtualMachineError.
B. Developers are NOT allowed to handle errors.
C. Developers do NOT receive asynchronous exceptions from a CLDC-compliant virtual machine.
D. Developers must throw only checked (non-runtime) exceptions.
E. Rather than throwing the Error class specified by the Java Language Specification, the CLDC-compliant virtual machine may throw a CLDC-supported superclass.
Answer: C,E