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Oracle 1Z0-869 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Persistence & Storage | 10% | - Data sharing and access control - Record Management System (RMS) - Record stores and operations |
| Topic 2: Networking & Communication | 15% | - Generic Connection Framework (GCF) - HTTP, HTTPS, Socket connections - Wireless Messaging API (WMA) 1.1 - Multimedia API (MMAPI) 1.1 |
| Topic 3: JTWI Overview and Wireless Application Basics | 10% | - Architecture of JTWI-compliant applications - Java Technology for Wireless Industry (JSR 185) |
| Topic 4: MIDP Application Model & Lifecycle | 15% | - Push Registry mechanism - MIDlet lifecycle and states - JAD and JAR files structure - Application delivery and provisioning |
| Topic 5: MIDP User Interface | 15% | - MIDP Game API - Event handling and commands - Low-level UI and Canvas - High-level UI components |
| Topic 6: Security | 10% | - Permissions and protection domains - CLDC and MIDP security model - Secure network communication |
| Topic 7: CLDC Configuration | 15% | - Memory and resource constraints - CLDC 1.0 and CLDC 1.1 features - Connected Limited Device Configuration APIs |
Oracle Java Mobile Edition 1 Mobile Application Developer Certified Professional Sample Questions:
Question 1
Given:
5 0. class MyGameCanvas extends Canvas {
5 1. //...
6 0. public MyGameCanvas() {
6 1. int width1 = getWidth();
6 2. int height1 = getHeight();
6 3. //...
7 0. setFullScreenMode(true);
7 1. //...
8 0. int width2 = getWidth();
8 1. int height2 = getHeight();
8 2. //...
9 0. }
What is true about width1, height1 and width2, height2?
A. The call to setFullScreenMode() is ignored because the dimensions have already been set.
B. The system tries to provide maximum visible area to the MIDlet and these dimensions are width2, height2.
C. width1 is always equal to width2.
D. height1 is always equal to height2.
Question 2
Assume a device supports datagrams and a MIDlet has permission to use datagram connections. Which two are true? (Choose two.)
A. Push registration can fail if there is a push registration conflict, but the user must be prompted as to how to resolve the problem.
B. Push registration can fail if the allowed sender filter specified is *, which poses a security risk to the device.
C. Push registration can fail if another application has already reserved the connection on the device.
D. Push registration can fail because the device does NOT support the use of datagrams by the PushRegistry.
Question 3
Which three methods can be used by a MIDlet to communicate with the Application Management Software? (Choose three.)
A. notifyDestroyed()
B. destroyApp()
C. notifyPaused()
D. pauseApp()
E. getAppProperty()
Question 4
Which two specifications are mandatory in JTWI 1.0? (Choose two.)
A. MIDP 2.0
B. WMA 1.1
C. WMA 1.0
D. MMAPI 1.1
E. Location API
Question 5
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
Solutions:
| Question 1 Answer: B | Question 2 Answer: C,D | Question 3 Answer: A,C,E | Question 4 Answer: A,B | Question 5 Answer: B |
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