CFCD by Cloud Foundry Actual Free Exam Q&As

Question 1

What are some of the common use cases for using a route service? (Choose all that apply)

A. Bandwidth throttling B. Rate limiting C. Authentication D. API abstraction E. Logging F. Caching G. Honeypot

Discussion 0

Correct Answer: B,C,E,F Vote an answer

Question 2

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

A. Use the mongodb module. B. Use the mongoose module. C. Use the mongojs module. D. Use the amqp module.

Discussion 0

Correct Answer: A,B Vote an answer

Question 3

What does it mean to be Cloud Native? (Choose all that apply)

A. Applications that are designed specifically for a cloud computing architecture. B. Cloud Native apps focus on where they are deployed to. C. Apps should run on bare metal or virtual servers. D. Applications are large and monolithic. E. Composed of loosely-coupled cloud services.

Discussion 0

Correct Answer: A,E Vote an answer

Question 4

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. You use --buildpack https://<URL_TO_BUILDPACK_REPO>. C. Cloud Foundry does not allow the use of custom buildpacks. D. 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>.

Discussion 0

Correct Answer: A Vote an answer

Question 5

You are woken up in the middle of the night by an alert that your website is under heavy load. After looking into the issue, you determine that the issue is not caused by the lack of memory or disk quota. The site simply cannot keep up with the demand. What do you need to do to resolve the issue?

A. Increate the swap space for the app by increasing the disk quota of the app. B. Execute a cf push and use the -i flag to increase the number of instances. C. You need to scale up the amount of memory. This will help the app keep up with demand. D. Scale out more instances by using the cf scale command and specifying more instances with the -i flag until the app is able to keep up with demand.

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Correct Answer: D Vote an answer

Question 6

What is the status code that is returned for /v2/catalog?

A. 200 B. 500 C. 300 D. 203

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Correct Answer: A Vote an answer

Question 7

How do you enable HTTP tracing?

A. cf push <APP_NAME> --cf-trace PATH-TO-TRACE.LOG B. CF_TRACE=PATH-TO-TRACE.LOG cf push <APP_NAME> C. cf enable-trace <APP_NAME> D. cf app <APP_NAME> --cf-trace PATH-TO-TRACE.LOG

Discussion 0

Correct Answer: B Vote an answer

Question 8

What cf-cli command would you use to remove a route from the blue site?

A. cf unbind-route-service <APP_NAME> <DOMAIN> --hostname <HOSTNAME> B. cf unbind-service <APP_NAME> <DOMAIN> --hostname <HOSTNAME> C. cf delete-service <APP_NAME> <DOMAIN> --hostname <HOSTNAME> D. cf unmap-route <APP_NAME> <DOMAIN> --hostname <HOSTNAME>

Discussion 0

Correct Answer: D Vote an answer

Question 9

What is a Blue Green Deployment?

A. A Blue-green deployment is a technique that reduces downtime and risk by taking down your old production environment and replacing it with a new one. Blue is the old environment and Green is the new one. B. A Blue-green deployment is a technique that reduces downtime and risk by running two identical production environments called Blue and Green. C. A Blue-green deployment is a technique that reduces downtime and risk by deploying a new version of your code to your production environment by overwriting the old version. Blue is the old codebase and Green is the new one. D. A Blue-green deployment is a technique that reduces downtime and risk by restaging your app in Cloud Foundry. Blue is the old app and Green is the new one.

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Correct Answer: B Vote an answer

Question 10

How would you assign an Org role to a user?

A. cf set-org-role <USERNAME> <ROLE> B. cf add-org-role <USERNAME> <ORG> <ROLE> C. cf set-org-role <USERNAME> <ORG> <ROLE>

Discussion 0

Correct Answer: C Vote an answer

Question 11

Which 12-Factor principle is best described by maximizing robustness with fast startup and graceful shutdown?

A. Disposability B. Concurrency C. Codebase D. Build, release, run

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Correct Answer: A Vote an answer

Question 12

What command deletes a service broker?

A. Execute cf delete-service <BROKER_NAME>. B. Execute cf delete-service-key <BROKER_NAME>. C. Execute cf delete <BROKER_NAME>. D. Execute cf delete-service-broker <BROKER_NAME>.

Discussion 0

Correct Answer: D Vote an answer

Question 13

Which of the following Loggregator components is used to send log data to the syslog drain?

A. Firehose B. Traffic Controller C. Doppler D. Metron

Discussion 0

Correct Answer: C Vote an answer

Cloud Foundry Certified Developer - CFCD Exam Practice Test