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Oracle 1Z0-869 Exam Syllabus Topics:

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

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 and on any other port from IP addresses other than those in the range 10.0.0.100 to 10.0.0.255.
B) 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.
C) The call to registerConnection() causes an exception, because the
string 10.0.0.??? is an illegal argument.
D) 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.

2. Which two are true regarding error handling for classes that exist in both CLDC and J2SE?
(Choose two.)

A) The set of error classes is essentially the same in CLDC and J2SE.
B) The set of error classes is much reduced in CLDC to help reduce the overhead of the JVM.
C) If a class throws an error in CLDC, it should throw the same error as in J2SE or its nearest superclass.
D) There is no correspondence between the errors defined by CLDC and J2SE because the needs of CLDC and J2SE are so different.

3. Which two are true regarding record stores? (Choose two.)

A) When a MIDlet suite is removed, record store contents remain on the device.
B) MIDlets within the same suite CANNOT access the record stores of other MIDlets in the same suite.
C) The first created in a record store has a record ID of 1.
D) Record store names are case insensitive.
E) MIDlets within the same suite can access the record stores of other MIDlets in the same suite.
F) All records within a record store have the same length.
G) Record stores can be locked.

4. When using X.509 PKI, where must a MIDlet suite's security certificates be placed?

A) inlined in the JAR manifest, using a base64 encoding
B) in a user-defined subclass of SecurityInfo in the JAR's META-INF directory
C) in .cer files in the JAR's META-INF directory
D) inlined in the JAD, using a base64 encoding

5. What is guaranteed by CLDC regarding time zones?

A) GMT and UTC must be supported.
B) At least one time zone must be supported.
C) UTC is always supported.
D) The local time zone is always supported.

Solutions: