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Q1. 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
Q2. Which component is responsible for managing the deployment of an application running in IBM Bluemix PaaS?
A. Router
B. Load Balancer
C. Health Manager
D. Cloud Controller
Answer: D
Q3. Which statement is correct regarding the capabilities available on the Run Query tab shown in the image of the SQL DatabaseServiceweb console to manage instances in IBM Bluemix PaaS?
A. OnlySQL SELECTstatements are allowed.
B. The queries can only be generated through a wizard.
C. Queries can use JSON documents as SQL command arguments.
D. A maximum of 500 rows of data can be returned from each query.
Answer: C
Q4. 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
Q5. In a hierarchical organization of related work items in the Track and Plan feature of IBM Bluemix DevOps Services, which type of work item would be at the top?
A. Epic
B. Task
C. Story
D. Detect
Answer: C
Q6. 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 a user configuration file
C. in an application database
D. in the VCAP_SERVICESenvironment variable
Answer: D
Explanation:
Provide any additional configuration information through the VCAP_SERVICES environment variable. Services that are bound to an application also populate VCAP_SERVICES with their configuration attributes.
Q7. 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
Q8. 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
Q9. 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
Q10. 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.