[2026] Oracle Mobile Cloud Service 2016 Developer Essentials

문제1

Which statement is true about Node.js?

A. It is a JavaScript-based framework extension that is suitable for I/O-intensive applications.

B. All modern mobile platforms, including Android, iOS, and Windows, have native support for running Node.js.

C. It is a programming language that is known mainly for its synchronous programming model.

D. It is a popular JavaScript language that is known for its powerful concurrency and threading APIs.

정답: D

문제2

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

문제3

Your mobile developer is using the MCS SDK to track analytic events. Which three options correctly identify the information that is automatically tracked and reported to MCS without the need for a developer to explicitly record the event? (Choose three.)

A. user information

B. session information

C. API calls

D. every REST call made to MCS

E. user interaction information (such as a button click or a swipe) on a mobile application page

정답: A,B,C

문제4

Which two statements are true about exporting and importing packaged artifacts in MCS?
(Choose two.)

A. The version string of a package must match the version of the exported mobile backend.

B. MCS resolves the naming and version conflicts of an artifact that is imported from a package, if the same artifact exists in the target MCS environment.

C. The artifacts that are exported or imported as a package keep their version numbers.

D. Environment policy values such as the endpoint value of a specific version of a REST connector can be changed during the export and altered after the import of a package.

정답: A,B

문제5

The Node.js implementation in MCS has been extended to implicitly include several Node.js modules. Which module allows MCS to handle HTTP requests and responses?
(Choose the best answer.)

A. Async

B. Express

C. Grunt

D. http-server

E. Bluebird

정답: E

문제6

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

문제7

Which statement is true about how SOAP and REST connector APIs establish connections that need to be secured via the HTTPS protocol?

A. This is configured through custom code when making a call to the connector API.

B. This is configured by selecting the Use HTTPS check box in the connector definition after the connector API has been created.

C. This is not configured because the use of HTTPS is mandatory.

D. This is configured by applying a relevant security policy when the connector is created or later.

E. This is configured through the Network_EnforceTransportSecurity environment policy.

정답: A

문제8

Which statement is true about the development of on-device mobile applications that use MCS?

A. MCS supports the development of clients in any mobile technology that supports REST services.

B. MCS supports the development of iOS, Android, and JavaScript applications.

C. MCS supports the development of mobile applications by using the Mobile Application Framework (MAF) only.

D. MCS supports the development of iOS and Android native applications only.

정답: A

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