Which statement is true of mobile devices? They typically have faster processors than desktops. They typically have less memory than desktops. They have access to fewer Internet locations than desktops. They typically have better screen resolution than desktop monitors.
In which of the following areas do mobile devices have an advantage over desktops? Choose all that apply.
Storage capacity Download speeds Mobility Power availability.
Which of the following statements is true? Mobile devices can make use of location-based data. Full garbage collection performs a RAM garbage collection operation. Full garbage collection releases non-persistent object handles in RAM and flash memory.
Which of the following statements is true? The small keyboard on a mobile device means that users cannot perform traditional touch
typing. The small keyboard on a mobile device means that users cannot type contractions (such as
“can’t” or shouldn’t”). The small keyboard on a mobile device means that users must type abbreviated forms of
most words. The small keyboard on a mobile device means that not all of the letters of the alphabet are
represented.
Which of the following statements is true? Mobile devices do not support scrolling in order to view off-screen items. Mobile device screens can show only a fraction of the number of items on the screen that a
desktop monitor can. Mobile device screens show graphics more clearly than desktop monitors, but show video
less clearly than desktop monitors Mobile device screens show better resolution and finer detail than desktop monitors.
Which of the following statements is true? Mobile device users tend to run and view several applications at once. Mobile device users typically want as much information as possible in response to their
requests. Mobile device users tend to want immediate retrieval of time-sensitive information.
Which of the following statements is true when developing a mobile device application? You should build on the functionality of existing applications to promote familiarity and
ease of use. You should create a unique schema for key and menu use so that you do not infringe on the
copyrights of existing applications. You must designate the Escape key for returning to the previous screen. You must follow the keyboard and menu use specified by the MDA-42 specification.
Which of the following statements is true? When developing mobile device applications, you should follow a 60-second rule, meaning
it should take the user no more than 60 seconds to navigate to the desired feature in your
application. When developing mobile device applications, you should follow the 62nd rule, which states
that the application must provide information that is at least 98.2% accurate. When developing mobile device applications, you should follow a 60-second rule, meaning
the application should only display as much text as the user can read in 60 seconds or less. When developing mobile device applications, you should follow a 60-second rule, meaningthe application should provide relevant information in 60 seconds or less to the end user.
The Java Virtual Machine initiates garbage collection under which conditions? Choose all that
apply.
Flash memory is available Java applications are stored on a Java server, so they are slower than other application types. Java applications reside locally, so they are limited in size and data storage capacity. Java applications are stored on a web server to avoid local storage limitations.
Which BlackBerry smartphone features and components can Java applications make use of ?
Choose all that apply.
GPS Camera Phone Security.
Which of the following statements about the BlackBerry persistence model is false? It resides on the BlackBerry smartphone and requires an Internet connection for some
features and data. It does not require an Internet connection for function or storage. It resides on a web server and users access it using a BlackBerry smartphone. You cannot create standalone applications with Java.
Which of the following statements is true? Java applications for the BlackBerry smartphone are written in Java ME. Java applications are supported only on BlackBerry smartphones running BlackBerry
Device Software version 4.2 or later. Java is more complex and provides fewer customization options than other development
methods.
Which of the following are advantages of developing mobile applications with Java? Choose all
that apply.
Flexibility Background threads Ease of use Communication with peripheral devices.
What is a location-based service? Which of the following items apply to BlackBerry smartphones with a touch screen? Choose two. A web-based application that users can access when they enter the same calling area as the content server hosting the application. A service that detects the location of the BlackBerry smartphone and provides the most
appropriate information for that location. A service that can be accessed regardless of the strength of the wireless signal in the
location of the server hosting the service.
Which of the following is true? Background threads allow applications to listen for events and alerts while the user is
running another application.
background colors in the application UI. Java applications cannot use background threads. Applications use background threads to incorporate the BlackBerry smartphone All applications for the BlackBerry smartphone can use background threads.
Which of the following statements are true? Choose all that apply. Because Java is a condensed programming language, Java applications conform to
BlackBerry smartphone storage limitations Large Java applications for mobile devices must reside and be accessed on a Java server. All Java applications for the BlackBerry smartphone reside and run on the device itself. Can display in both portrait or landscape mode.
Which of the following statements are true? Choose all that apply. Web applications require more bandwidth than standalone Java applications. Web applications are typically easier to develop than Java applications. You can design a BlackBerry web application that detects the capabilities of the BlackBerrysmartphone. The web application development method typically provides more flexibility than the Java
application development method.
Which of the following plug-ins can you use to develop web applications for the BlackBerry
smartphone? Choose all that apply.
BlackBerry Web Development Plug-in for Eclipse BlackBerry JavaWeb Plug-in for Signals BlackBerry Plug-in for Microsoft Visual Studio version 1.2.
True or false: web applications typically require more storage space on the mobile device than
Java applications.
True False.
Which of the following are advantages of web application development? Choose all that apply. Enhanced offline use Detection of device capabilities Use of web signals Communication with device peripherals.
Which of the following statements is true? Web applications are typically associated with easier development but more difficult
deployment than Java applications When you release a patch for a web application, it is better to push the patch to individual
mobile devices than to allow users to download the patch themselves When you release a patch for a web application, it is better to allow users to download the
patch themselves than to push the patch to individual mobile devices. You do not have to distribute web application updates to individual mobile devices.
Which of the following statements is true? A BlackBerry web application is hosted on a server and accessed by multiple clients using a
browser. The term web application typically refers to an application that the user can download from
a web site and install on a mobile device. A web application is an application, typically a browser, that lets users access the Internet
and view web content.
Which of the following can you use to create a web application? Choose all that apply. HTML Web ME Java Me WebMD.
Which of the following is a function of the BlackBerry MDS Simulator? To test applications on various BlackBerry smartphone versions and operating systems. To compile web applications for distribution. To provide a basic application framework on which to develop web applications. To simulate network connectivity.
Which of the following statements is true? Widgets are not suitable for tasks that require Internet access. Widgets are not suitable for large or multipurpose applications. Widgets cannot be customized. Widgets are created using the same tools as Java applications.
Which of the following are required to develop a BlackBerry widget? Choose all that apply. BlackBerry Widget SDK BlackBerry Widget Java WE BlackBerry Widget Packager BlackBerry Widget Simulator.
True or false: when developing a widget, you should convert the content from HTML to Java to
optimize the user experience.
True False.
Which of the following features can you implement in a BlackBerry widget? Choose all that
apply.
Push technology Device detection Location-based services Integration with BlackBerry smartphone native features.
Which of the following statements is true? One disadvantage of widgets is that they cannot be customized. One advantage of widgets is that you can create them by leveraging features of existing web applications. One disadvantage of widgets is that they cannot make use of the mobile device wireless
connection.
Which of the following do you use to include GPS information in your application? Java API for BlackBerry Location API for Java ME Java for GPS objects Any BlackBarry API.
Which class do you use to specify the type of GPS fix? Criteria Data Speed and Coordinates Both A and B.
Which of the following statements is accurate? The JSR 179 LocationListener interface receives data from LocationProvider. The JSR 179 LocationListener interface detects proximity to a specified set of coordinates. The JSR 179 LocationListener interface generates location data such as coordinates,
direction, and speed. The JSR 179 LocationListener interface is not part of the JSR 179.
Compared with autonoumous mode, assisted mode is: Faster Slower Neither faster or slower. Faster or slower, depending on conditions.
When creating a GPS application, which of the following can you specify? Your current location The fix type The BlackBerry smartphone model The GPS satellite you intend to use.
Assisted fixes ______ incur network charges. Newer Sometimes Always.
From which of the following do autonomous GPS fixes receive information? The cellular system Orbiting GPS Satellites The cellphone itself A PDE server on the carrier network.
How accurate are autonomous GPS fixes? Within 3000 meters Within 300 meters Within 30 meters Within 3 meters.
Compared to assisted and cellsite fixes, autonomous fixes use________. The least power The same power The most power More power than cellsite fixes but less than assisted fixes.
Compared to assisted and cellsite fixes, autonomous fixes take ______ time for the initial fix The longest The shortest An intermediate No.
From which of the following sources do assisted GPS fixes receive information? Choose all that apply.
The cellular system Orbiting GPS satellites The mobile device A PDE server on the carrier network.
On which of the following are BlackBerry Maps included? All BlackBerry smartphones BlackBerry® Curve™ Series only BlackBerry Device Software version 3.0 and later BlackBerry Device Software version 4.2 and later.
To invoke BlackBerry Maps from your application, which of the following do you pass as
parameters to the invokeApplication method? Choose all that apply.
Location information as a string The APP_TYPE_MAPS constant A new instance of the MapsArgument class An instance of the BlackBerry Maps application.
Which of the following do you create to let users access position data on the server? An .xlocfile containing a serialized Location object A .txt file with position information as a string A .bbmap file containing latitude and longtitude data An .xloc file containing position information as a string.
Compared to mobile networks, Wi-Fi networks are (choose all that apply): Very fast More susceptible to interference Less susceptible to interference More limited in range.
Which of the following can you do with your BlackBerry smartphone application? Choose all
that apply.
Ensure a BlackBerry smartphone Wi-Fi transciever is turned on Retrieve details about the Wi-Fi connection Expand the hotspot to allow access to the BlackBerry smartphone.
Which of the following conditions are required for a BlackBerry smartphone to use least cost
routing?
The BlackBerry smartphone must be in range of a hotspot The BlackBerry smartphone must use either BlackBerry MDS or BlackBerry Internet
Service The BlackBerry smartphone must be out of range of a mobile network The application must include the net.rim.device.api.system.WLANInfoclass.
Which of the following do you do to explicitly specify Wi-Fi as the connection type for your
application?
Append the interface=wifi parametar to the web address Use the HTTPS protocol Cast the returned object as a WiFiConnectionobject Append the wifi=interface parameter to the web address.
To determine if the Wi-Fi transceiver is turned on, you must: Determine whether the RadioInfo.WAF_WLANmethod returns the value
getActiveWAF Determine whether the getActiveWAFmethod returns the value
RadioInfo.WAF_WLAN Determine whether the BlackBerry smartphone is outside of a hotspot Invoke the WLANInfo.getAPInfomethod.
Which one of the following is not a benefit of push technology? Easy for use Efficiency Immediacy Reduced latency.
Which one of the following is the contrasting technology to pull technology? Poll Push Place Ping.
The server-side push application sends _________requests to the BlackBerry MDS Connection Service?
Poll HTTP GET HTTP POST SMTP.
Which of the following items are not reliability levels? Choose two. Application Accreditation Fire Transport.
The BlackBerry Push API and Web Signals allow you to do which one of the following? Push data to a BlackBerry smartphone that is not connected to the BlackBerry Enterprise
Server. Push data to BlackBerry smartphones that are connected to the BlackBerry Enterprise
Server. Push data to non-BlackBerry smartphones Push data from the BlackBerry smartphone to the server.
Which of the following is provided by the base version PAP 2.2 standard? Choose three. Encryption Optional result notification Query for device capabilities The ability to process XML documents.
What one of the following is a characteristic of push request reliability? Fire and Forget Encryption HTTPS Notifications.
Which of the following can be used to specify time restrictions on a push requests? Choose two. Delivery Date Deliver-Before Deliver-After Delivery Range.
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