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1Z0-869 Sample Questions:
01. Which is true for Item?
a) The same Command may occur on more than one Item.
b) The same Item may be appended to more than one Form at the same time.
c) When adding a Command to an Item, specifying a command type other than Command.ITEM results in a compilation failure.
d) Minimum and preferred size CANNOT be changed once an Item is created.
02. Which three statements are true regarding the handling of wireless connections? (Choose three.)
a) Devices can only support one HttpConnection at a time; therefore, network access from multiple threads must be serialized.
b) The connection could unexpectedly terminate while processing the input or output streams.
c) Performing network operations on the same thread used by the display is likely to block refreshes of the display until the network operations complete.
d) A network connection could interfere with other services on the device, such as the ability to receive phone calls or SMS on a phone.
e) Network connections should never be performed on a separate thread, so problems can be handled quickly.
03. Given:
Layer heroShip = aLayerManager.getLayerAt(0);
Which is true?
a) An ArrayIndexOutOfBoundsException is thrown.
b) The getLayerAt() is not a valid method of the LayerManager class.
c) An IllegalArgumentException is thrown.
d) The heroShip is assigned to the Layer object located at index 0.
04. Which four are direct subclasses of Screen? (Choose four.)
a) Alert
b) List
c) TextField
d) Form
e) TextBox
f) Canvas
g) Choice
05. Which three APIs may untrusted MIDlets use without explicit confirmation by the user? (Choose three.)
a) javax.microedition.io.HttpConnection
b) javax.microedition.io.PushRegistry
c) javax.microedition.rms
d) javax.microedition.lcdui
e) javax.microedition.media
06. Which classes and interfaces are available in CLDC?
a) Vector, Hashtable, Iterator
b) Vector, Hashtable, Stack, Enumeration
c) List, ArrayList, Vector, Hashtable, HashSet
d) List, Set, Vector, Hashtable
07. Which two are true about record stores? (Choose two.)
a) For a given enumerator, multiple filters can exist.
b) For a given record store, multiple comparators can exist.
c) The RecordStore class provides a method that returns a list of record stores in the MIDlet suite.
d) A record store's authorization mode can be set only when the record store is created.
e) The RecordStore class provides a method that returns the ID of the last record modified.
08. Which is true about WMA's support for Cell Broadcast Service (CBS) messaging?
a) CBS uses encoding schemes different from SMS.
b) A subscriber can choose topics on which to receive messages.
c) A base station can choose to send CBS messages to specific mobile stations.
d) The WMA is used to send and receive CBS messages.
09. Which two are true about MIDlet suite provisioning? (Choose two.)
a) A JTWI-compliant device must support HTTP 1.1 and cookies.
b) A JTWI-compliant device must support HTTP authentication.
c) A JTWI-compliant device must support HTTP 1.0.
d) A JTWI-compliant device must support HTTP 1.1.
10. Which is true about the garbage collector?
a) It effectively prevents memory leaks.
b) It needs to be run by the developer.
c) It manages all memory deallocation.
d) It always uses the mark and sweep algorithm.
Solutions:
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QUESTION: 01
Answer: a
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QUESTION: 02
Answer: b, c, d
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QUESTION: 03
Answer: d
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QUESTION: 04
Answer: a, b, d, e
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QUESTION: 05
Answer: c, d, e
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QUESTION: 06
Answer: b
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QUESTION: 07
Answer: b, c
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QUESTION: 08
Answer: b
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QUESTION: 09
Answer: b, d
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QUESTION: 10
Answer: c
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