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Oracle 1Z0-869 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: CLDC Configuration | 15% | - Memory and resource constraints - CLDC 1.0 and CLDC 1.1 features - Connected Limited Device Configuration APIs |
| Topic 2: Persistence & Storage | 10% | - Data sharing and access control - Record Management System (RMS) - Record stores and operations |
| Topic 3: MIDP User Interface | 15% | - High-level UI components - MIDP Game API - Event handling and commands - Low-level UI and Canvas |
| Topic 4: Security | 10% | - Secure network communication - Permissions and protection domains - CLDC and MIDP security model |
| Topic 5: Networking & Communication | 15% | - Generic Connection Framework (GCF) - Wireless Messaging API (WMA) 1.1 - HTTP, HTTPS, Socket connections - Multimedia API (MMAPI) 1.1 |
| Topic 6: MIDP Application Model & Lifecycle | 15% | - MIDlet lifecycle and states - JAD and JAR files structure - Application delivery and provisioning - Push Registry mechanism |
| Topic 7: JTWI Overview and Wireless Application Basics | 10% | - Architecture of JTWI-compliant applications - Java Technology for Wireless Industry (JSR 185) |
Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional Sample Questions:
Which two clarifications does the JTWI specification make regarding how devices implement the Mobile Media API? (Choose two.)
- A. A JTWI device must support WAV file playback.
- B. A JTWI device must support MIDI file playback.
- C. A JTWI device must support MP3 file playback.
- D. A JTWI device must support Real Time Streaming Protocol (RTSP) for media file download of all supported media formats.
- E. A JTWI device must support HTTP for media file download of all supported media formats.
Which is true about PushRegistry.registerAlarm()?
- A. PushRegistry.registerAlarm() works independently of the network protocols available for push connections.
- B. PushRegistry.registerAlarm() is overloaded to play audio file arguments.
- C. PushRegistry.registerAlarm() supports several outstanding activation times per MIDlet.
- D. JTWI devices may choose NOT to implement PushRegistry.registerAlarm().
Given the MIDlet code:
7 .//..
1 0.public void startApp(){
1 1.Float f = new Float(3.14);
1 2.System.out.println("Pi: " + f);
1 3.
1 4.}
1 5.//..
What is the result when working with a CLDC 1.1 implementation?
- A. Pi: 3.14 is sent to the system console.
- B. Pi: 3.14 is sent to the device display.
- C. An exception is thrown at runtime.
- D. Compilation fails.
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 10.0.0.0 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 10.0.0.100 to 10.0.0.255.
Which two are true? (Choose two.)
- A. The J2SE specification extends the MIDP specification.
- B. The goal of the CLDC is to guarantee portability and interoperability between various types of resource-constrained devices.
- C. WMA provides a set of APIs for multimedia content handling.
- D. MIDP 2.0 is a set of APIs that runs on top of the CLDC.
