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Q11. A developer has an application based on the Liberty profile running in IBM Bluemix PaaS. The developer wants to maintain high availability on HTTP sessions. What is the benefit of using IBM Bluemix Session Cache service?
A. Session data is shared across different browsers.
B. Session data is automatically stored in remote file systems.
C. Session data is encrypted and stored in a MySQL database.
D. Session data is recovered after an application instance crashes.
Answer: B
Q12. Where are objects such as images, audio and video files stored inIBM Object Storage?
A. Group
B. Folder
C. Bucket
D. Container
Answer: D
Reference:http://www-01.ibm.com/support/knowledgecenter/SSQRB8/com.ibm.spectrum.si.doc/tpch_r_storagesy
stem_object.html
Q13. Which step must be taken in an application to use the IBM Single Sign On service for Bluemix PaaS?
A. implement an authentication callback
B. implement a login form requesting User ID and password
C. configure the OAuth 2.0 client with the SSO service credentials
D. securely store user credentials used for the external authentication
Answer: D
Q14. Which statement is true of the Cloudant NoSQL service?
A. It prioritizes space savings over availability.
B. It prioritizes immediate consistency over availability.
C. It prioritizes availability over immediate consistency.
D. It prioritizes immediate consistency over performance.
Answer: C
Reference:http://www.redbooks.ibm.com/redpapers/pdfs/redp5126.pdf(p.17)
Q15. 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
Q16. What allows for the sharing of variables across any job in a stage in the Delivery Pipeline of IBM Bluemix DevOps Services?
A. environment properties
B. the Admin options in the Project settings
C. a flag passed to the job when it is executed
D. a setting in the project’s properties called Shared Variables
Answer: B
Q17. According to this application Overview panel image, how is the memory quota (measured in MB) applied to the two instances?
A. each instance gets 512 MB of memory
B. each instance shares the available memory
C. the instance that receives the most traffic gets the most memory
D. the instance will divide the memory quota evenly, each receiving 256 MB of memory
Answer: B
Q18. A developer is going into production with aconsumerweb application in IBM Bluemix PaaS. The developer is keen to understand how the application is performing to maximize customer retention.
The scaling history for the application shows repetitive scale out and scale in actions. To reduce resources used by each instance startup, the developer wants the scaling service to wait longer before taking action. What parameter should be changed and how?
A. increase the cooldown period for scaling in
B. decrease the cooldown period for scaling in
C. increase the cooldown period for scaling out
D. decrease the cooldown period for scaling out
Answer: D
Q19. 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. Create a commit and push it to the repository.
B. Edit the ACL for each changed file and give the team read access.
C. Team members should log into IBM DevOps services with the User ID anonymous.
D. Click the Share button in the IBM Bluemix DevOps web IDE after saving the changes.
Answer: D
Q20. What is a boilerplate in IBM Bluemix PaaS?
A. a script to build applications from scratch
B. a service that can be bound to application
C. a combination of a runtime and predefined services
D. an external service that can be consumed by application
Answer: C
Explanation:
Boilerplate consists of a combination of runtime and predefined services. Because they contain a runtime and set of services for a particular solution type, they can be used to quickly get an application up and running.