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Q1. If you have an instance of myApp with 1GB of memory and 1GB of disk running on Bluemix PaaS, what is the result of the commandcf scale myApp –k 2G?
A. scalingthe myApp vertically by increasing the memory to 2GB
B. scalingthe myApp vertically by increasing the memory to 3 GB
C. scalingthe myApp vertically by increasing the size of the disk to 2GB
D. scalingthe myApp vertically by increasing the size of the disk to 3 GB
Answer: C
Q2. Based on the Twelve-Factor App methodology, how should developers share common code between two Node.js applications in IBM Bluemix PaaS?
A. duplicate the common code in each application repository
B. use only one repository for both applications and the common code
C. use one repository for both applications and another repository for the common code
D. create a npm package for the common code and add the dependency to it for both applications
Answer: B
Q3. What is an example of an Auto-Scaling ServicePolicyRule in IBM Bluemix PaaS?
A. If the application is not accessed for 600 seconds, remove one instance.
B. If the average disk space utilization exceeds 99%, add dynamic disk storage.
C. If the average memory utilization exceeds 80% for 600 seconds, add one instance.
D. If the average memory usage exceeds 80% for 300 seconds, add 64 MB of memory.
Answer: C
Q4. A developer wants to deploy and start a large application to IBM Bluemix PaaS. When they enter the commandcf 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 start timeout in manifest.yml of the application.
B. Increase the deploy timeout in manifest.yml of the application.
C. Increase the upload timeout in manifest.yml of the application.
D. Increase the staging timeout in manifest.yml of the application.
Answer: A
Reference:http://www.paasmag.com/2015/06/22/resolving-bluemix-application-push-failures-application-startup-errors/
Q5. A developer is creating an application to search social media for pictures with specific content, What IBM Bluemix PaaS service should they use?
A. DreamFace
B. AlchemyAPI
C. Personality Insights
D. Monitoring and Analytics
Answer: B
Reference:http://www.alchemyapi.com/api/image-link-extraction
Q6. Why would the Load Impact service in IBM Bluemix PaaS be used?
A. For its ability to manage a sudden load increase in an application.
B. For its ability to replicate instances across IBM Bluemix PaaS regions.
C. For its ability to simulate user loads on IBM Bluemix PaaS applications.
D. For its ability to increase application availability by increasing application instances.
Answer: C
Q7. Which twostatements are correct regarding SQL scripts in the dashDB Service Web Console to manage instances in the IBM Bluemix PaaS?(Select two.)
A. The script can be validated prior to running it.
B. A script can be named and saved for later use.
C. Syntax errors in the script can only be detected when the script is run.
D. Unless specified otherwise via the dashDB configuration, Informix SQL syntax is used.
E. Scripts can only containSQL INSERT, SQL UPDATE, and DDLcommands to create tables and views.
Answer: B,D
Q8. Applications A and B are configured to use IBM MQ Light for Bluemix messaging capabilities. Application A publishes messages to a topic. Application B subscribes to the same topic in order to receive the messages published by Application A. What occurs when Application A publishes the message after Application B goes down?
A. Destination stores the message and it will be received if Application B comes back up before the destination time-to-live expires.
B. Application A receives a notification from the destination that Application B is down.
C. Topic stores the message forever, and the message will be received by Application B after it comes back up.
D. Destination stores the copy of the message for one hour. If Application B does not come back up within one hour the message will be lost.
Answer: A
Explanation:
MQ Light messaging provides two models for delivery assurance, at most once, and at least once. The first is appropriate when occasional loss of data caused by a communication disruption is acceptable, and the second is required when there can be no loss of data. When using at least once, duplicate messages may appear around communication disruptions and they should to be programmatically discarded. MQ Light buffers messages based upon message and destination time-to-live. When an application subscribes to a topic it may specify a destination time-to-live, which will cause MQ Light to store messages at the destination in the event of a receiving application crash. After the destination time-to-live exipres, MQ Light will discard all held messages and stops storing new messages.
Q9. When creating a new project in IBM Bluemix DevOps Services, which action is performed when Link to an existing repository is selected?
A. An existing GitHub repository is linkedto the project by giving IBM DevOps Services access to a specified GitHub account.
B. An existing Git project on the developer’s local machine is linked to the project.
C. An existing GitHub repository is linked to the project using anonymous access.
D. An existing user’s project in IBM DevOps Services is linked to the project.
Answer: A
Q10. How are managed services from the IBM Bluemix PaaS catalog used in an application?
A. Services can only be used by anIBM Bluemix PaaS application with a signed one year agreement.
B. Services can be found through the IBM Cloud Marketplace and must be purchased before using them.
C. Services are ready for immediate use and can be used by any IBM Bluemix PaaS application after binding.
D. Services must be downloaded from IBM, third-party, or community locations and installed on a virtual machine before using them.
Answer: C