BlackBerry BCP-811 examen pratique questions et réponses

Nous assurons seulement le succès de test certification, mais encore la mise à jour est gratuite pour vous. Si vous ne pouvez pas passer le test, votre argent sera 100% rendu. Toutefois, cette possibilité n'est presque pas de se produire. Vous pouvez tout d'abord télécharger le démo gratuit pour prendre un essai.

La grande couverture, la bonne qualité et la haute précision permettent le Pass4Test à avancer les autre sites web. Donc le Pass4Test est le meilleur choix et aussi l'assurance pour le succès de test BlackBerry BCP-811.

Aujoud'hui, dans cette indutrie IT de plus en plus concurrentiel, le Certificat de BlackBerry BCP-811 peut bien prouver que vous avez une bonne concurrence et une space professionnelle plus grande à atteindre. Dans le site Pass4Test, vous pouvez trouver un outil de se former très pratique. Nos IT experts vous offrent les Q&As précises et détaillées pour faciliter votre cours de préparer le test BlackBerry BCP-811 qui vous amenera le succès du test BlackBerry BCP-811, au lieu de traivailler avec peine et sans résultat.

Finalement, la Q&A BlackBerry BCP-811 plus nouvelle est lancé avec tous efforts des experts de Pass4Test. Aujourd'hui, dans l'Industrie de IT, si on veut se renforcer sa place, il faut se preuve la professionnalité aux les autres. Le test BlackBerry BCP-811 est une bonne examination des connaissances professionnelles. Avec le passport de la Certification BlackBerry, vous aurez un meilleur salaire et une plus grande space à se développer.

Code d'Examen: BCP-811
Nom d'Examen: BlackBerry (Developing Java Applications for the BlackBerry Platform)
Questions et réponses: 122 Q&As

Pass4Test est un fournisseur de formation pour une courte terme, et Pass4Test peut vous assurer le succès de test BlackBerry BCP-811. Si malheureusement, vous échouez le test, votre argent sera tout rendu. Vous pouvez télécharger le démo gratuit avant de choisir Pass4Test. Au moment là, vous serez confiant sur Pass4Test.

BCP-811 Démo gratuit à télécharger: http://www.pass4test.fr/BCP-811.html

NO.1 Which two of the following classes could be used to check the coverage status? (Choose two.)
A. Radio
B. ConnectionFactory
C. TransportInfo
D. CoverageSate
E. CoverageInfo
Answer: C,E

BlackBerry examen   certification BCP-811   certification BCP-811   BCP-811

NO.2 The following application is set to auto-run at startup:
Which approach would most reliably solve the problem this application will encounter? (Choose one.)
A. It should callThread.sleep() for ten seconds before pushing the screen to verify that the
BlackBerry device has completed its boot up process
B. Threads should be moved to their own standalone class so that they do not cause a security exception
C. Theint values in the MenuItem constructor should equal the y MenuString length to leave enough room
for the string
D. It should use theApplicationManager.inStartup() before pushing the screen to verify that the BlackBerry
device has completed its boot up process
E. It should use theApplicationManager.inStartup() before pushing the screen to verify that the BlackBerry
device has completed its boot up process
F. It should use theApplicationManager.inStartup() before pushing the screen to verify that the BlackBerry
device has completed its boot up process
G. ThemakeMenu method of MainScreen must be overridden to use a menu
Answer: D,E,F

BlackBerry   BCP-811   BCP-811   certification BCP-811   BCP-811 examen   BCP-811

NO.3 Consider the code below:
How will the connection route be affected? (Choose one.)
A. The connection is never routed through the BlackBerry Infrastructure
B. The connection is routed over the cellular network
C. The connection is routed over the Wi-Fi
D. The connection is routed over the BlackBerry Internet Service -B
E. The connection is never routed through the BlackBerry Enterprise Server
Answer: E

BlackBerry examen   BCP-811 examen   BCP-811 examen   BCP-811   BCP-811

NO.4 Which three of the following options are contained in a component pack? (Choose three.)
A. BlackBerry Device Simulator
B. JavaDocs
C. API Library
D. Code signing keys
E. Unit Tests Framework
Answer: A,B,C

BlackBerry   BCP-811   certification BCP-811   BCP-811   certification BCP-811

NO.5 An application is needed that can store a list of sales data and customer information. The application
will also need the ability to search through this data and summarize it in an efficient manner. Which data
storage mechanism will assist in meeting all of these requirements? (Choose one.)
A. SQLite
B. PersistentStore
C. RecordStore
D. RuntimeStore
E. FileConnection
Answer: D

certification BlackBerry   BCP-811   BCP-811   certification BCP-811

NO.6 Which two of the following operations should be avoided on the main event thread? (Choose two.)
A. Pushing a screen onto the display stack
B. Displaying a Dialog screen
C. Performing network communication
D. Calling the sleep method
E. Capturing of keyboard input
Answer: C,D

BlackBerry examen   certification BCP-811   BCP-811   BCP-811   BCP-811

NO.7 A developer is designing a BlackBerry device application that provides summaries of large amounts of
data. The summaries require extensive computations. Which design approach will meet these
requirements? (Choose one.)
A. Store the full set of data locally on removable media using a compressed format
B. Supplement memory available on the BlackBerry device and compute the results locally
C. Use URL encodings to expedite the transfer of data between a remote server and the
BlackBerry device
D. Compute the summary on a remote server and access the results through a BlackBerry
Enterprise Server connection
E. Use local storage and the floating point processor on the BlackBerry device to speed up computations
Answer: B

BlackBerry   BCP-811   certification BCP-811   BCP-811   BCP-811   BCP-811

NO.8 A BlackBerry device application collects information about several hundred books. The application
needs to sort books by title. Which combination of data structures should be used to manage the objects?
(Choose one.)
A.net.rim.device.api.util.SimpleSortingVector and net.rim.device.api.util.StringComparator
B. java.util.Hashtable and net.rim.device.api.util.StringComparator
C. net.rim.device.api.util.StringRepository and net.rim.device.api.util.StringPattern
D. java.util.TreeSet and net.rim.device.api.util.StringComparator
E. java.util.Stack and net.rim.device.api.util.StringComparator
Answer: A

BlackBerry   certification BCP-811   BCP-811   certification BCP-811   certification BCP-811

NO.9 Which keys are required to use the encryption classes in the Java API in order to store encrypted data
on a BlackBerry device? (Choose one.)
A. Code development keys
B. Code signing keys
C. Code runtime keys
D. Code encryption keys
E. Code storage keys
Answer: B

BlackBerry examen   BCP-811 examen   BCP-811 examen   BCP-811

NO.10 A developer is writing a game with custom graphics and animations that will need to fit on multiple
screen sizes for various BlackBerry devices. The developer needs to minimize the number of images
created for the game. Which API will support these requirements? (Choose one.)
A. SVG
B. Display
C. Transition
D. Multimedia
E. Game
Answer: A

BlackBerry   certification BCP-811   BCP-811   BCP-811

NO.11 Which push header should be used to verify that push requests are received by a BlackBerry device
application? (Choose one.)
A. X-Rim-Push-Reliability: Transport
B. X-RIM-Push-Deliver-Before Mon, 03 Aug 2009 15:52:00 GMT
C. X-RIM-Push-Deliver-After: Mon, 03 Aug 2009 15:52:00 GMT
D. X-Rim-Push-Priority: High
E. X-Rim-Push-Reliability: Application
Answer: E

certification BlackBerry   BCP-811 examen   BCP-811 examen

NO.12 Which block of code will ensure that a network connection has been closed? (Choose one.)
A. Exhibit A
B. Exhibit B
C. Exhibit C
D. Exhibit D
E. Exhibit E
Answer: A

BlackBerry   BCP-811   BCP-811 examen

NO.13 An application receives notification that a new data object is being saved in the RuntimeStore. It may
take up to 60 seconds to save this data. Which method should the application use to obtain the object
from the RuntimeStore? (Choose one.)
A. get( long objectUID )
B. getInstance()
C. fetch( Class objectClass, long timeout )
D. waitFor( long objectUID )
E. put( long objectUID, Object anObject)
Answer: D

BlackBerry examen   BCP-811 examen   BCP-811   BCP-811 examen

NO.14 A developer has been asked to create an application that will display the full name of all people in a
BlackBerry device user address book. The following code is written:
Which two of the following actions must be taken before this code is executed to ensure
compatibility across all versions of BlackBerry Device Software? (Choose two.)
A. The application should initialize all entries of thecontactName String array to empty Strings
B. The application should use theContact.countValues method to verify that the Contact.NAME field
contains an entry
C. The application should verify that it can write to the user address book using
theApplicationPermissions API
D. The application should use theisNull method to verify that the Contact.NAME values are not null
E. The application should use theContactList.isSupportedField method to verify that the
Contact.NAME field can be read
Answer: B,E

BlackBerry   BCP-811 examen   BCP-811   certification BCP-811   certification BCP-811

NO.15 Consider the addTask() method defined below. Its purpose is to receive incoming tasks and put them
into a Vector, _tasks. Another thread will continuously remove the task at index 0 from the Vector.
Assuming that addTask() is being invoked at a rate roughly equal to the rate at which the tasks are being
processed, which concurrency issue may occur during execution? (Choose one.)
A. Livelock
B. Deadlock
C. Race condition
D. Starvation
E. Unfairness
Answer: D

BlackBerry   BCP-811   BCP-811   certification BCP-811   certification BCP-811   BCP-811 examen

NO.16 Consider the code below:
What is a more efficient way of calculating the midpoint? (Choose one.)
A. int midpoint = (int) ((double) width) / 2.0;
B. int midpoint = Fixed32.div(width, 2);
C. int midpoint = (int) (width * 0.5f);
D. int midpoint = width >> 1;
E. int midpoint = width >> 2;
Answer: D

BlackBerry   certification BCP-811   BCP-811 examen   BCP-811

NO.17 A customer needs an application that will store temporary data and expose it to other BlackBerry device
applications. Which API will meet this requirement? (Choose one.)
A. RuntimeStore
B. PersistentStore
C. Location Based Services
D. Global Events
E. Connector
Answer: A

BlackBerry examen   certification BCP-811   BCP-811   BCP-811

NO.18 An application requires the creation of a custom field that can display animation. Which class and
method combination should be used to accomplish this task? (Choose one.)
A. Field.paint(Graphics graphics)
B. MainScreen.paint(Graphics graphics)
C. Field.subpaint(Graphics graphics)
D. Screen.draw(Graphics graphics)
E. GameCanvas.paint(Graphics graphics)
Answer: A

BlackBerry   certification BCP-811   certification BCP-811

NO.19 Consider the following small application which creates a linked list like structure:
After execution, at which statement does the ListElement object created at line 6 become a candidate for
garbage collection? (Choose one.)
A. 16
B. 17
C. 21C.21
D. 22D.22
E. 23E.23
Answer: B

BlackBerry examen   BCP-811   BCP-811

NO.20 Consider the Counter class whose code is below:
Assuming that the go() method is always invoked serially, why is a different count printed at the end
almost every time that it is invoked? (Choose one.)
A. Therun() method is not declared "synchronized"
B. The _count variable is not declared "synchronized"
C. The ++ operator is not atomic
D. The _count variable overflows
E. The Counter class is not declared "synchronized"
Answer: C

certification BlackBerry   BCP-811   BCP-811   BCP-811 examen

Pass4Test vous offre un choix meilleur pour faire votre préparation de test BlackBerry BCP-811 plus éfficace. Si vous voulez réussir le test plus tôt, il ne faut que ajouter la Q&A de BlackBerry BCP-811 à votre cahier. Pass4Test serait votre guide pendant la préparation et vous permet à réussir le test BlackBerry BCP-811 sans aucun doute. Vous pouvez obtenir le Certificat comme vous voulez.