[2026] Oracle Mobile Cloud Service 2016 Developer Essentials

문제1

Your customer wishes to deploy two distinct mobile applications, which will use the same APIs. The customer wants to create MCS user accounts for the users of these applications and wishes to keep these accounts in a single realm for cross-branding purposes. In addition, the customer would like each mobile application to have its own dedicated mobile backend in order to segregate the analytics data for each application.
Which statement accurately describes the technical feasibility of these requirements?

A. This is not possible because mobile backends can be linked only to a single user realm.

B. This is possible only through MCS social login.

C. This is possible if a single realm is created and is associated with both mobile backends.

D. This is not possible because MCS realms exist as a single user group in the Oracle Cloud infrastructure for each MCS environment.

E. This is not possible because each mobile backend exists as a distinct Oracle Cloud user group.

정답: C

문제2

Identify the full list of MCS assets that can be versioned.

A. custom APIs, mobile backends, connectors, and storage

B. custom APIs, mobile backends, and connectors

C. custom APIs

D. custom APIs, mobile backends, connectors, storage, and realms

E. custom APIs and mobile backends

정답: C

문제3

At which two points does MCS record logging and diagnostic information? (Choose two.)

A. It is written for a mobile backend when it is deployed from a development environment to a production environment.

B. It is written for any access to the MCS platform APIs.

C. It is written for custom API code when it accesses connectors.

D. It is written for every call by a client through an MCS SDK.

정답: A,B

문제4

You have developed Android and iOS applications that send custom events to MCS. Which statement is true about what happens when the applications lose network connectivity?
(Choose the best answer.)

A. If you have used an appropriate MCS client SDK, analytic events will be written to a file, which can be manually uploaded into MCS.

B. The iOS and Android operating systems automatically cache REST calls when they are offline and will replay them when connectivity is restored.

C. No analytic events can be sent to MCS when there is no network connection.

D. If you have used an appropriate MCS client SDK, analytic events will be cached and sent when connectivity is restored.

정답: A

문제5

Select three valid ways to pass a parameter to a web service through a REST connector API. (Choose three.)

A. adding the parameter to the URI

B. defining a fault in the WADL

C. providing a default value in the WSDL

D. defining a request body

E. setting a connector rule

정답: A,D,E

문제6

You have created a new mobile backend version number and have implemented it by using HTTP Basic security.
Which three key elements would you need to share with mobile application developers so that the mobile backend can be referenced while coding within the SDK for their platform?
(Choose three.)

A. token endpoint

B. base URL

C. mobile backend ID

D. realms

E. anonymous key

F. platform-specific client ID

정답: A,E,F

문제7

The green, amber, and red traffic light indicators on the MCS Environments and Diagnostics pages depict the overall health of an environment for the last minute MCS bases this at-a-glance view on the health metrics for the environment. When die error count and request/response times exceed configured thresholds, the traffic light indicator changes from green (normal) to amber (adverse) or red (severe).
For your development environment, you expect more errors to occur and thus want to increase thresholds for when the light indicator changes. How would you change the threshold for error counts to allow more errors before the traffic light indicator switches to red?

A. As an MCS administrator, set the log level for a mobile backend to SEVERE to avoid performance reporting that is too fine-grained.

B. As an application developer, set the Oracle-Mobile-Diagnostic-Session-ID header value to null to indicate that error reporting is not needed for the application.

C. As an MCS administrator, download, modify, and re-upload the policy file for the environment.

D. As an MCS administrator, add a configuration to the mobile backend application policies.

정답: A

문제8

You are implementing a custom API in Node.js that must call two connectors in a defined sequence to support a transaction. Which statement is true in this context? (Choose the best answer.)

A. You may nest the second connector call in the callback of the first connector call, or include third party node modules, such as Bluebird, to provide synchronous capabilities.

B. The MCS custom API Node implementation includes a server-side Node SDK that inherently supports transaction management for connector API calls.

C. Because of the asynchronous nature of Node.js, there is no way to guarantee that the connectors will be called in a defined order. You must handle an incorrect outcome in an exception handler.

D. Within the MCS UI, you can define a hierarchical relationship between connectors such that, when called from Node, the call order is implicitly set so that the parent connector is called first and the child is called next.

정답: B

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