Oracle Mobile Development 2015 Essentials (1z1-441) Free Practice Test

Question 1

Which three are correct practices by developers who are creating a MAF application?

A. loading all of the application data from the server in one calltoavoid having to call the same service to retrieve data again

B. using CSS files to override out-of-the-box styles rather than specifying custom styles in the inline style property of the individual UI component

C. avoiding using large images in the application

D. exposing server data through SOAPservices rather than using REST because WSDL provides better payload documentation

E. caching data in the local database when network reliability is suspect

Correct Answer: B,C,E

Question 2

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?

A. backingBeanScope

B. sessionScope

C. viewScope

D. requestScope

E. pageFlowScope

F. applicationScope

Correct Answer: E

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Question 3

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?

A. dvtm:thematicMap

B. dvtm: ledGauge

C. dvtm:treeMap

D. dvtm:nBox

E. dvtm:lineChart

F. dvtm:geographicMap

Correct Answer: A

Question 4

Which two statements about using HTTPS to secure access to a mobile service are true?

A. HTTPS secures only the transport to the service.

B. HTTPS can be used for data redaction.

C. HTTPS alone is insufficient for services that require user-level authentication.

D. HTTPS is impervious to attacks.

Correct Answer: A,C

Question 5

Your customer 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?

A. Not all devices have GPS services.

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

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

D. MAF does not support accessing the GPS services on iOS.

Correct Answer: A,B

Question 6

Which technology can be used to transform data from comma-separated values (CSV) into XML?

A. MFL

B. MAF

C. XQuery

D. XSLT

Correct Answer: C

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Question 7

If your MAF application uses a SOAP web service data control with the oracle/wss_username_token_over_ssl_client_policy security policy applied, where will the user credentials (user ID and password) be injected at run time?

A. in the HTTP Basic authentication header

B. in the WS-SecurityUsernameTokenheader

C. in a cookie, if the remote server supports them

D. in theUserCredentialsattribute of the SOAP envelope

Correct Answer: B

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Question 8

Identify the statement that correctly describes the configurable aspects of a MAF application.

A. It is possible to configure the application through user preferences and the end points for web services and login connections can also be configured.

B. It is possible to configure the application only through user preferences.

C. It is possible to configure an application through user preferences and the Configuration Service, but only if the application relies on the Access Control Service for authorization.

D. MAF provides a built-in user interface to change the end points for web services and login connections.

Correct Answer: A

Question 9

You are investigating a mobile application that uses SOAP web services that invoke queries on a database to get the data to the mobile UI. The customer complains about the application being too slow.
Which of the following changes would not improve the performance of the application?

A. Reduce the number of fields returned from the service so that only the needed fields are returned.

B. Switch the services from SOAP protocol to REST protocol.

C. Introduce middle-tier data caching for data that does not change frequently.

D. Add a layer that fetches the data on the middle tier into a Java class and then expose that class asa SOAP service.

Correct Answer: C

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Oracle Mobile Development 2015 Essentials (1z1-441) Free Practice Test