Download Free C5050-408 Study Guide With Updated Exam Questions – [Dec-2017 Dumps]

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C5050-408 exam questions, C5050-408 PDF dumps; C5050-408 exam dumps:: https://www.dumpsschool.com/C5050-408-exam-dumps.html (74 Q&A) (New Questions Are 100% Available! Also Free Practice Test Software!)

Latest and Most Accurate IBM C5050-408 Dumps Exam Questions and Answers:

Version: 8.0
Question: 21

An application developer has developed a mobile web application that uses a large number of resources. The application developer intends to improve the startup time of the application.
To do so, which technique should the application developer use?

A. Encryption
B. Minification
C. Compression
D. Concatenation

Answer: D

Explanation:
Concatenation of the web resources can be used to improve the start time of the application.
Incorrect:
Not B: By using minification on specific web resources, it is possible to reduce the size of JavaScript and CSS files in the application.
References:
https://www.ibm.com/support/knowledgecenter/SSZH4A_6.1.0/com.ibm.worklight.dev.doc/devref/ c_optimizing_apps_concatenation.html

Question: 22

An application developer is developing a Worklight project using Worklight CLI commands. The project has one adapter called “servicesAdapter” and two applications called “app1” and “app2”.
The application developer has just created the Worklight server with command:
$ wl create-server
Which commands does the application developer need to execute in the root folder of the Worklight project in order to build the adapter and the applications, and deploy them to the local test server?

A. $ wl build
$ wl deploy
B. $ wl build -adapter servicesAdapter -apps all
$ wl deploy
C. $ wl start $ wl build
$ wl deploy
D. $ wl start
$ wl build -adapter servicesAdapter -apps – app1 app2 -deploy

Answer: A

Explanation:
BUILD $ wl build
The build command builds the set of Worklight resources that are most local to the current working directory.
Note: Prerequisite: Make sure that the local test server exists. To create the server, run wl create-server.
To generate a build in the preferred folder, navigate to the folder and enter $ wl build.
If you run the command from the root folder of a Worklight project, the command builds all the apps and adapters in the project.
If you run the command from the apps folder, the command builds all the apps in the project.
If you run the command from the folder of a specific adapter, the command builds that one adapter.
DEPLOY $ wl deploy
The deploy command deploys to the local test server the set of Worklight resources that are most local to the current working directory.
To run the deploy command in the preferred folder, navigate to the folder and enter $ wl deploy. If you run the command from the root folder of a Worklight project, the command deploys all apps and adapters in the project.
If you run the command from the apps folder, the command deploys all the apps in the project.
If you run the command from the folder of a specific adapter, the command deploys that one adapter.
If you run the command from the folder of a specific application, the command deploys that one application.
References:
https://www.ibm.com/support/knowledgecenter/SSZH4A_6.2.0/com.ibm.worklight.dev.doc/dev/ r_wl_cli_options.html

Question: 23

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An application developer is concerned about how many requests may hit the adapter being created. The developer wants to ensure that the adapter can handle enough requests, but yet not allow requests to overwhelm the system.
What can the application developer do to limit the number of requests that an adapter will handle?

A. In the web server configuration, specify number of requests for MaxClients.
B. In the application server configuration, specify the number concurrent requests for the servlet engine.
C. In the loadContraints element of the adapter XML file, specify the number of requests formaxConcurrentConnectionsPerNode.
D. In the connectionPolicy element of the adapter XML file, specify the number of requests formaxConcurrentConnectionsPerNode.

Answer: D

Explanation:
Tuning Back-end Connections
maxConcurrentConnectionsPerNode – The maximum number of concurrent requests that can be performed on the back-end application from the Worklight server node. The worklight server will create a thread pool with maxConcurrentConnectionsPerNode size for that purpose. This maxConcurrentConnectionsPerNode parameter is set in the adapter.xml in the connectivity entry.
References: https://www.ibm.com/developerworks/community/blogs/worklight/entry/tuning_worklight_server?lang=en

Question: 24

An application developer is attempting to update specific portions of a hybrid application by utilizing the direct update feature.
Which components can the application developer update using the direct update feature without having to rebuild and deploy a new binary of the application?

A. HTML, CSS, JavaScript
B. HTML, CSS, JavaScript, Java
C. HTML, CSS, JavaScript, Objective C
D. HTML, CSS, JavaScript, Version number

Answer: A

Explanation:
When you want to deliver a Worklight hybrid application that consists mainly of HTML5 with CSS and JavaScript, and you must change the hybrid part of the application to provide new features or to fix a defect, you do not have to ask the application users to update it on their devices. You can use the Worklight direct update mechanism to deploy new HTML with CSS and JavaScript for your application without changing the application version on the mobile device.
Incorrect:
Not D: Delivering a new version of native code
The main reason that you would want to deliver a new version of an application is probably because your application uses native code and you want to provide new features or deliver fixes that require changes in the native code. You might also need to provide a new native version of the application, even if your Worklight application is completely written by using web technologies, to accommodate new mobile operating systems supported only in later versions of IBM Worklight. You cannot use the direct update mechanism in either of these cases. You must build and deploy a new version of the application.
Reference: http://www.ibm.com/support/knowledgecenter/SSZH4A_6.2.0/com.ibm.worklight.dev.doc/devenv/ c_update_apps_wl_ac.html

Question: 25

The application developer needs to test the Worklight application on a remote server. In Worklight Studio, the application developer configures the remote server by right clicking on the {app_name} folder and selecting Run As > Build Settings and Deploy Target.
Which step does the application developer need to perform to ensure the server configuration changes are reflected in the application?

A. Run As > Run on Server
B. Run As > Build and Deploy
C. Run As > Apply Build Settings
D. Run As > Build All Environments

Answer: D

Explanation:
The Build Settings and Deploy Target dialog is used only to specify configurations and settings; clicking OK does not trigger a build. Any time that you make a modification with this dialog, you must rebuild your application and environments for your changes to take effect, by using the Run As > Build All Environments menu command.
References: https://www.ibm.com/support/knowledgecenter/SSZH4A_6.1.0/com.ibm.worklight.dev.doc/dev/ c_building_and_deploying_build_settings_deploy_target.html

Question: 26

Which one of the following correctly describes the content of the corresponding Worklight Application folder?

A. services folder – Contains client side services.
B. server folder – Contains libraries to be placed in external service servers.
C. bin folder – Contains project artifacts that are deployed to the Worklight Server.
D. externalServerLibraries folder – Contains references for application development and deployment.

Answer: C

Explanation:
The bin folder contains project artifacts that are deployed to MobileFirst Server.
Incorrect:
Not D: externalServerLibraries: Contains the libraries to be placed in external service servers and used for access token validation (by the service).
References:
https://developer.ibm.com/mobilefirstplatform/documentation/getting-started-6-3/hello-world/creating-your-firsthybrid-application/

         

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