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IBM Worklight Foundation V6.2, Mobile Application Development

Question No: 1

Which characteristic(s) of an application map to the respective development approaches? Characteristics of the Application

-> The application is written for a specific platform and runs on that platform only.

-> The application runs inside the browser of the mobile device, and uses standard technologies such asHTML5, CSS3, and JavaScript.

-> The application runs inside a native container and uses the browser engine to display the applicationinterface.

-> The application is not distributed through an application store.

Development Approach (see exhibit)

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A. 1-A, 2-B, 3-C, 4-B

B. 1-B, 2-C, 3-A, 4-C

C. 1-B, 2-B, 3-C, 4-C

D. 1-C, 2-A, 3-B, 4-A

Answer: D

Question No: 2

What is the purpose of the Application Center? The Application Center is:

  1. used to share only Worklight applications among different team members within a company.

  2. intended for production-ready applications only. Development team members should look for other meansof collaboration.

  3. IBM#39;s version of a public Application Store that targets usage outside of a company, similar to the AndroidMarket or Apple#39;s public Application Store.

  4. a means of sharing information among different team members within a company, where some mobileapplications can be targeted to specific groups of users.

Answer: A Explanation:

IBM Worklight Application Center is an enterprise application store. It allows you to install, configure, and administer a repository of mobile applications for use by individuals and groups within your enterprise or organization. It is built on top of the IBM MobileFirst Platform and the IBM Worklight mobile application platform that enables you to develop, deploy, and manage mobile applications.

References: http://www.redbooks.ibm.com/abstracts/redp5005.html?Open

Question No: 3

An application developer wants to retrieve the client-side logs of an Android application that is malfunctioning in the production environment.

When is the captured log data sent to the server?

  1. After successful client init sequence.

  2. When the application crashes.

  3. When the application invokes the api console.log

  4. When the application invokes the api Logger.setContext (Context)

Answer: A Explanation:

All captured log data, if any, is sent to the MobileFirst Server during each successful client network init sequence and invokeProcedure response, with a 60 second minimum interval between sends.

References: https://www.ibm.com/support/knowledgecenter/SSHS8R_7.0.0/com.ibm.worklight.dev.doc/ devref/c_clientside_log_capture.html

Question No: 4

An application developer has been given the Geo-location service requirement of most accurate and timely position information for a mobile application.

Which code snippet will enable the application developer to correctly implement this requirement?

  1. WL.Device.startAcquisition (

    { Geo: WL.Device.Geo.Profiles.PowerSaving() } );

  2. WL.Device.startAcquisition (

    { Geo: WL.Device.Geo.Profiles.RoughTracking() } );

  3. WL.Device.startAcquisition (

    { Geo: WL.Device.Geo.Profiles.LiveTracking() } );

  4. WL.Device.startAcquisition (

{ Geo: WL.Device.Geo.Profiles.HighAccuracy() } );

Answer: C Explanation: LiveTracking()

Returns a profile to use for accurately tracking devices. The object returned can be freely modified. The object returned is:

{

enableHighAccuracy:true, highAccuracyOptions: {

iOSBestAccuracy: WL.Device.Geo.IOS_BEST_ACCURACY

},

maximumAge: 0

}

Incorrect:

Not A: PowerSaving()

Returns a profile to use for accurately tracking devices. The object returned can be freely modified. The object returned is:

{

enableHighAccuracy:false, minChangeTime: 300000, //5 minutes minChangeDistance: 1000, // 1Km

maximumAge: 300000 //5 minutes

}

Not B: RoughTracking()

Returns a profile which roughly tracks devices, representing. a trade-off between accuracy and power use.

Not D: There is no GEO function HighAccuracy. Reference:

https://www.ibm.com/support/knowledgecenter/SSZH4A_6.1.0/com.ibm.worklight.apiref.do c/html/refjavascriptclient/html/WL.Device.Geo.Profiles.html

Question No: 5

An application developer is testing an adapter that is retrieving data from a remote

database. The developer can find no problems with the adapter and seems to be retrieving data from the database as designed. The quality assurance team insists that users are seeing each other#39;s data.

Which adapter configuration setting does the application developer need to set to resolve this issue?

  1. Set the lt;authenticationgt; element of the adapter to lt;basic/gt;.

  2. Set the connectAs attribute of the lt;proceduregt; element of the adapter XML file to endUser.

  3. Specify the proper userid in the lt;connectionPolicygt; element of the adapter.

  4. Specify IGNORE_COOKIES as the cookiePolicy attribute in the lt;connectionPolicygt; element of the adapter.

Answer: B Explanation:

In order to support stateful backend HTTP adapter procedures can be configured to work in a connectAs=鈥渆ndUser鈥?mode. This mode means that a separate instance of HTTP session will be created for each client session.

References: https://www.ibm.com/developerworks/community/blogs/worklight/entry/

configuring_http_adapters_for_stateless_stateful_backend_connectivity_and_user_identity

_propagation? lang=en

Question No: 6

An application developer wants to use the Rich Page Editor to create and edit web pages for a hybrid application. The application developer wishes to use the Mobile Navigation view to manage the mobile views in the application.

Which action can the application developer perform inside the Mobile Navigation view?

  1. Create a view by right clicking in the Mobile Navigation view and select Create.

  2. Create a view by dragging a view object from the Palette view into the Mobile Navigation view.

  3. Link a button to a mobile view by dragging a button from the Design view to a mobile view in the MobileNavigation view.

  4. Link a button to a mobile view by dragging a button from the Palette view to the mobile view in the MobileNavigation view.

Answer: C Explanation:

You can link widgets, such as buttons or list view items, to mobile views or pages. You can drag a widget from the Design view in Rich Page Editor to a mobile view or page in the Mobile Navigation view. You can also drag mobile views or pages from the Mobile Navigation view to widgets in the Design view within Rich Page Editor.

References: http://www.ibm.com/support/knowledgecenter/SSHS8R_7.1.0/com.ibm.worklight.dev.doc/ com.ibm.rad.worklight.doc/topics/cmobileviewswl.html

Question No: 7

An application developer is implementing the server-side components for custom device provisioning. To accomplish this task, the developer has created the adapter named ProvisioningAdapter. Finally, two functions must be added to complete the task.

What must the two functions do that the application developer should add to the adapter?

  1. Validate the certificate from the device is still valid. Validate that the device is authorized to be provisioned.

  2. Validate the certificate from the device is still valid. Validate the provisioning request.

  3. Validate that the device provisioning is triggered.

    Validate that the login module provides the correct credentials.

  4. Validate that the device provisioning is triggered. Validate that the device is authorized to be provisioned.

Answer: B Explanation:

With Custom device provisioning you can validate:

Certificate Signing Request during initial provisioning flow. Certificate during every application start.

References: https://developer.ibm.com/mobilefirstplatform/documentation/getting-started-6- 3/authentication-security/ custom-device-provisioning/

Question No: 8

An application developer is developing a hybrid application that retrieves data from a back- end server using a

HTTP adapter.

Which client-side implementation should the application developer use in order to invoke this adapter?

  1. WL.Client.invokeAdapter ({ adapter : ‘adapterName’ , procedure : ‘procedureName’ , parameters : [ ] ,

    }, { onSuccess : function(invocationResult){ WL.Logger.log(‘Call successful’);

    },

    onFailure: function(errorObject){

    WL.Logger.error(‘Error calling adapter: ‘ errorObject.errors);

    }

    });

  2. WL.Client.invokeAdapter ({ adapter : ‘adapterName’ , procedure : ‘procedureName’ , parameters : [ ] , }, { timeout: 300000 } )

    .then(function(invocationResult){ WL.Logger.log(‘Call successful’);

    }),

    .fail( function (errorObject){

    WL.Logger.error(‘Error calling adapter: ‘ errorObject.errors);

    });

  3. WL.Client.invokeProcedure ({ adapter : ‘adapterName’ , parameters : [ ‘procedureName’

    ] , onSuccess : function(invocationResult){ WL.Logger.log(‘Call successful’);

    },

    onFailure: function(errorObject){

    WL.Logger.error(‘Error calling adapter: ‘ errorObject.errors);

    }

    });

  4. WL.Client.invokeProcedure ({ adapter : ‘adapterName’ , procedure : ‘procedureName’ , parameters : [ ] , }, { timeout: 300000 } )

.then(function(invocationResult) { WL.Logger.log(‘Call successful’);

}),

.fail( function (errorObject){

WL.Logger.error(‘Error calling adapter: ‘ errorObject.errors);

});

Answer: D Explanation:

The WL.Client.invokeProcedure method invokes a procedure that is exposed by an IBM Worklight adapter.

Syntax

WL.Client invokeProcedure (invocationData, options)

The WL.Client invokeProcedure function accepts the following JSON block of parameters:

{

adapter: #39;adapter-name#39;, procedure: #39;procedure-name#39;, parameters: [], compressResponse: true/false

}

References: https://www.ibm.com/support/knowledgecenter/SSZH4A_6.0.0/com.ibm.worklight.help.doc/ apiref/ r_wl_client_invokeprocedure.html

Question No: 9

An application developer needs to install IBM Worklight Studio Edition V6.2.

Which of the following environment setups will enable the application developer to carry out a successful installation?

  1. Linux (RHEL 6)Eclipse IDE V4.0.0 Sun Java 6.0

    Internet connection

  2. MAC OS X 10.8 Eclipse IDE V4.2.2 Oracle Java 7.0 Internet connection

  3. Windows XP

    Eclipse IDE for JavaTM EE Developers Java Technology Edition 5.0

    Internet connection

  4. Windows 8

Eclipse Standard Edition V3.7

IBM Runtime Environment, Java Technology Edition 6.0 Internet connection

Answer: B Explanation:

Incorrect:

Not C: Windows 7 or later required for Windows operating systems. Not A, Not D: Eclipse

4.2.2 is required

References: http://www-01.ibm.com/support/docview.wss?uid=swg27024838#WLF_62

Question No: 10

An application developer wants to create a mobile pattern for reuse by other projects. The developer uses the UI Pattern to create the new template which generates the pattern.html file that needs to be edited.

In which directory can the application developer find the pattern.html file that was created?

  1. apps

  2. server

  3. Web

  4. WebContent

Answer: D Explanation:

A folder with the name of your new pattern is added to the WebContent folder. This folder contains the pattern#39;s resources.

References: https://www.ibm.com/support/knowledgecenter/SSZH4A_6.2.0/com.ibm.worklight.dev.doc/ com.ibm.rad.worklight.doc/topics/tcrtuipatterns.html

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