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IBM Cloud Platform Application Development v2 Sample Questions:

1. A developer wants to deploy and start a large application to IBM Bluemix PaaS.
When they enter the command cf push appname, the following error is shown:
0 of 1 instances running, 1 starting 0 of 1 instances running, 1 down FAILED Start app timeout
What option is available for the developer to resolve the issue?

A) Increase the upload timeout in manifest.yml of the application.
B) Increase the start timeout in manifest.yml of the application.
C) Increase the deploy timeout in manifest.yml of the application.
D) Increase the staging timeout in manifest.yml of the application.

2. Based on the Twelve-Factor App methodology, where is the best place to store external configuration credentials in IBM Bluemix PaaS?

A) in the source code
B) in an application database
C) in a user configuration file
D) in the VCAP_SERVICES environment variable

3. An IBM Cloud application uses a relational database that must be initialized with several tables and several hundred rows of initial data. Based on the Twelve-Factor App methodology, how should this be done?

A) A script or separate application should be used to initialize the database prior to deploying the application as a one-off process.
B) The application should include code to call an ETL service to initialize the database if it has not yet been initialized.
C) A backup file of the database should be included in the application and restored by the application code on startup.
D) The application should include code to initialize the database if it has not yet been initialized.

4. A team is using IBM Bluemix DevOps Services to collaboratively develop their application. They are all members of the same project in IBM Bluemix DevOps Services.
The team lead has made some changes that need to be shared with the team. How can this be accomplished?

A) Click the Share button in the IBM Bluemix DevOps web IDE after saving the changes.
B) Team members should log into IBM DevOps services with the User ID anonymous.
C) Edit the ACL for each changed file and give the team read access.
D) Create a commit and push it to the repository.

5. A developer is building an IBM Cloud Foundry application that uses an enterprise service available as a RESTful API. Following security best practices, how should credentials for the service be stored?

A) In a properties file in the same code repository as the application
B) As constants in the application source code
C) In a file located within a custom buildpack
D) As environment variables in a user-provided service

Solutions: