CFCD無料問題集「Cloud Foundry Certified Developer」

質問 1

You have a Docker image in Docker Hub called linuxacademy/my-docker-image. What command will push this Docker image to Cloud Foundry?

（A）cf push <APP_NAME> -u linuxacademy -i my-docker-image

（B）cf push <APP_NAME> -o linuxacademy/my-docker-image

（C）cf push <APP_NAME> -b linuxacademy/my-docker-image

（D）cf docker-push <APP_NAME> -o linuxacademy/my-docker-image

正解：B 解答を投票する

質問 2

What is Waterfall?

（A）A place where water flows over a vertical drop or a series of steep drops in the course of a stream or river

（B）An approach to software development under which requirements and solutions evolve through the collaborative effort of self-organizing cross-functional teams and their customers.

（C）An approach to software development that puts less emphasis on planning and more emphasis on an adaptive process. Prototypes are often used in addition to or sometimes even in place of design specifications.

（D）A software development model that was initially designed for manufacturing and construction.

正解：D 解答を投票する

質問 3

Which of these is not a part of the Agile Manifesto?

（A）Individuals and Interactions more than processes and tools.

（B）Customer Collaboration more than contract negotiation.

（C）Working Software more than comprehensive documentation.

（D）Responding to Change more than following a plan.

（E）Save early save often.

正解：E 解答を投票する

質問 4

What command is used to deploy an app to Cloud Foundry?

（A）cf code-push <APP_NAME>

（B）cf deploy <APP_NAME>

（C）cf push <APP_NAME>

（D）cf app <APP_NAME>

正解：C 解答を投票する

質問 5

Your team is developing a Java application that requires a custom Java buildpack. The buildpack lives in a git repository. When you execute a cf push, how do you use a custom buildpack?

（A）You use -b https://<URL_TO_BUILDPACK_REPO>.

（B）Custom buildpacks cannot be used from a remote source. You need to install remote buildpacks on to Cloud Foundry by using cf create-buildpack <BUILDPACK_NAME> https://<URL_TO_BUILDPACK_REPO>.
Then execute cf push with -b <BUILDPACK_NAME>.

（C）You use --buildpack https://<URL_TO_BUILDPACK_REPO>.

（D）Cloud Foundry does not allow the use of custom buildpacks.

正解：A 解答を投票する

質問 6

You are pushing two apps to Cloud Foundry. These two apps are microservices that compose a single application. The first app is an API called api-my-app. The second is a GUI interface called my-app. The GUI will consume the API as a user provided service called api-my-app-service. The domain for both apps will be using cfapp.io. You need a parameter called uri. What command and flags would you use to create the user provided service? (Choose all that apply)

（A）cf create-user-provided-service api-my-app-service -p uri

（B）cf create-user-provided-service api-my-app-service -l uri

（C）cf cups api-my-app-service -p uri

（D）cf create-user-provided-service api-my-app-service -r http://api-my-app.cfapps.io

正解：A、C 解答を投票する

質問 7

What is DevOps?

（A）A software engineering practice that focuses on advocate automation and monitoring, continuous refactoring, deploy and scale services independently and breaking down organizational silos.

（B）Software development practice build from manufacturing and construction.

（C）Focuses on slow and larger releases fo code to production.

（D）A collection of tools such as: Puppet, Salt, Jenkins and Chef that are used to automate operations.

正解：A 解答を投票する

質問 8

You are executing a blue-green deploy. The app is still displaying the contents of the old site as well as the contents of the new site. What must you do to ensure that only the contents of the new site are shown?

（A）You need to repush the new site by executing a cf push.

（B）You need to unmap the route to the old site. This way traffic is only being routed to the new site.

（C）Restage the new site by executing a cf restage.

（D）You need to unmap everything and then map the route to the new site.

正解：B 解答を投票する

質問 9

Which NPM module does Cloud Foundry recommend you use for accessing MongoDB? (Choose all that apply)

（A）Use the mongojs module.

（B）Use the amqp module.

（C）Use the mongodb module.

（D）Use the mongoose module.

正解：C、D 解答を投票する

質問 10

Your team has developed a Ruby app that needs to run on 2.4.3. How would you ensure that your app will run on Ruby 2.4.3?

（A）Add ruby '2.4.3' to the application's Gemfile.

（B）cf push <APP_NAME> -b ruby_buildpack --version 2.4.3

（C）Add ruby '2.4.3' to the application's confi.ru.

（D）Add buildpack: ruby_buildpack:2.4.3 to your manifest file.

正解：A 解答を投票する

質問 11

What command should you run to help you troubleshoot when an application failed to start?

（A）cf restage <APP_NAME> --recent

（B）cf events <APP_NAME> --recent

（C）cf app <APP_NAME> --recent

（D）cf logs <APP_NAME> --recent

正解：D 解答を投票する

CFCD 無料問題集「Cloud Foundry Certified Developer」

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