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

1. 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 JAD, using a base64 encoding
C) inlined in the JAR manifest, using a base64 encoding
D) in .cer files in the JAR's META-INF directory

2. Click the Exhibit button. Which two are true? (Choose two.)

A) The commandAction() method code in class A is NOT guaranteed to be portable across all MIDP 2.0-compliant devices.
B) In class B, no new events will be delivered to the application until after the commandAction() method completes.
C) The event-handling mechanism in class A allows multiple command events to be delivered to the application in parallel.
D) The commandAction() method code in class B is compliant with the event-handling approach recommended in the MIDP 2.0 specification.
E) The event-handling in class A will NOT print done with action until after the run() method has completed.
F) In class A, no new events will be delivered to the application until after the commandAction() method completes.

3. A MIDlet needs to receive incoming socket push notifications. It requests only the permissions:
javax.microedition.io.PushRegistry javax.microedition.io.Connector.socket javax.microedition.io.Connector.serversocket Which is true?

A) When an incoming socket connection activates the MIDlet, the MIDlet can always retrieve that connection while starting up.
B) When an incoming socket connection activates the MIDlet, the MIDlet will always be unable to retrieve that connection while starting up.
C) The MIDlet CANNOT receive incoming socket push notifications without the permission javax.microedition.io.Connector.socketreceiver.
D) When an incoming socket connection activates the MIDlet, the MIDlet may be unable to retrieve that connection while starting up.

4. Which is true about CLDC support for accessing system property information?

A) Full support for java.util.Properties is available within CLDC.
B) Property information is available in CLDC using System.getProperty().
C) CLDC supports a subset of java.util.Properties.
D) CLDC supports a subset of java.util.Properties and also provides additional property information using System.getProperty().

5. Which two are true? (Choose two.)

A) WMA provides a set of APIs for multimedia content handling.
B) MIDP 2.0 is a set of APIs that runs on top of the CLDC.
C) The J2SE specification extends the MIDP specification.
D) The goal of the CLDC is to guarantee portability and interoperability between various types of resource-constrained devices.

Solutions: