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1Z0-441 Real Exam Questions

Oracle Mobile Development 2015 Essentials

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Question 1 Single choice

A developer complains that a feature that he created in his Oracle MAF application does not show in his navigation baranymoreand that the application has stopped prompting for a login.

Which configuration file would you check to find the cause of this problem?

  1. A

    maf-features.xml

  2. B

    maf-config.xml

  3. C

    maf-application.xml

  4. D

    connections.xml

Show answer and explanation

Correct answer: A

Question 2 Multiple choice

Which three are valid options to distribute your production MAF applications?

  1. A

    applicationmarketplace (such as the Apple App Store or Google Play)

  2. B

    download site

  3. C

    enterprise application store provided by solutions such as the Oracle Mobile Security Suite

  4. D

    through Java Web Start by using the Java Network Launch Protocol (JNLP)

  5. E

    the Oracle Store (https://shop.oracle.com)

Show answer and explanation

Correct answers: A, B, C

Question 3 Multiple choice

For thedvtm:geographicMapcomponent, which two data items are returned to themapInputListener?

  1. A

    event type

  2. B

    X/Y coordinates of the map minimum (top left) map boundary

  3. C

    X/Y coordinates of the map center

  4. D

    X/Y coordinates of the map maximum (bottom right) map boundary

  5. E

    current zoom level

Show answer and explanation

Correct answers: A, C

Question 4 Single choice

The EL expression#{deviceScope.hardware.networkStatus}returns a dynamic value based on the mobile
device's current network connectivity.

Which is an invalid use of the network status?

  1. A

    If the value returned is 3g, warn the user that downloading data may take significant time.

  2. B

    Disable entry to a feature if it requires network access and the current network status isnone.

  3. C

    Stop the user from invoking the phone device service, which relies on a 2G, 3G, or 4G connection if the network status returnswifi.

  4. D

    Call an external web service to refresh data if a connection is available; otherwise, use a local cached
    copy of the data.

Show answer and explanation

Correct answer: B

Question 5 Single choice

In your application, you want to show a picture of a theatre with dynamic markers indicating which seats are available or unavailable.

What DVT component should you use?

  1. A

    dvtm:geographicMap

  2. B

    dvtm: ledGauge

  3. C

    dvtm:lineChart

  4. D

    dvtm:nBox

  5. E

    dvtm:thematicMap

  6. F

    dvtm:treeMap

Show answer and explanation

Correct answer: E

Question 6 Multiple choice

Identify the three common tasks required on the back end to support a mobile application.

  1. A

    Service-enable existing systems to support a REST interface.

  2. B

    Rearchitectall existing systems to support mobile apps.

  3. C

    Ensure that the REST services for existing systems handle necessary security protocols.

  4. D

    Plan to secure your REST services as needed.

  5. E

    Rearchitectyour current security strategy for your entire enterprise.

Show answer and explanation

Correct answers: A, C, D

Question 7 Single choice

TheDataBindings.cpxfile contains __________.

  1. A

    a mapping of AMX pages to theirpagedef.xmlfiles and the data controls used in the UI layer

  2. B

    a list of all the data controls defined in an application

  3. C

    code to control the order of data control initialization

  4. D

    information about the local SQLite database data used in the application

  5. E

    mapping between individual UI components and the data controls they use

Show answer and explanation

Correct answer: C

Explanation

http://docs.oracle.com/cd/E15586_01/web.1111/b31974/appendixa.htm#autoId9

Question 8 Multiple choice

Identify the four correct statements about REST services.

  1. A

    REST may return JSON, XML, or any other MIME type.

  2. B

    REST uses HTTP verbs (such as GET, PUT, POST, etc.) toindicatethe intent of the REST call.

  3. C

    Enterprise systems may be given a REST interface by using the Oracle Service Bus.

  4. D

    REST services cannot return binary data.

  5. E

    REST services are well-suited to mobile and web clients.

  6. F

    REST services are useful only for mobile devices.

Show answer and explanation

Correct answers: A, B, C, D

Question 9 Single choice

In your MAF design, you have defined a "checkout" feature based on a task flow where customers place items into their shopping basket and, at the end of task flow, either purchase the items in the shopping cart or cancel the order. The items in the shopping cart are persisted in a managed bean.

Which single bean scope is the right option for the shopping cart managed bean?

  1. A

    applicationScope

  2. B

    backingBeanScope

  3. C

    pageFlowScope

  4. D

    requestScope

  5. E

    sessionScope

  6. F

    viewScope

Show answer and explanation

Correct answer: C

Explanation

Mobile Application Framework variables and managed bean references are defined within different object scopes that determine the variable's lifetime and visibility. MAF supports the following scopes, listed in order of decreasing visibility:

Application scope--The object is available for the duration of the application (across features).
Page flow scope--The object is available for the duration of a feature (single feature boundary).
View scope--The object is available for the duration of the view (single page of a feature).

Object scopes are analogous to global and local variable scopes in programming languages. The wider the scope, the higher the availability of an object. During their lifespan, these objects may expose certain interfaces, hold information, or pass variables and parameters to other objects. For example, a managed bean defined in application scope will be available for use during multiple page requests for the duration of the application. However, a managed bean defined in view scope will be available only for the duration of one page request within a feature.

Question 10 Multiple choice

Yourcustomer requires that a MAF application must have a feature to return the user's current location on a map via the geolocation services. However, you are aware that it is not always possible to guarantee return of the user's current location in a mobile application.

Which are two valid reasons that the geolocation services may not be available to your application?

  1. A

    Not all devices have GPS services.

  2. B

    The user may disable the application's privileges to access the GPS.

  3. C

    MAF does not support accessing the GPS services on iOS.

  4. D

    The GPS cannot be accessed if the device does not have a network connection.

Show answer and explanation

Correct answers: A, B