Q1. Which statement characterizes the dashDB service?
A. It is optimized for time series data.
B. It is designed for analytic queries.
C. It is optimized for normalized data.
D. It is based upon the MySQL engine.
Answer: B
Explanation:
The dashDB service in IBM Bluemix is an example of an in memory, columnar databases service. dashDB is based on DB2 BLU and its columnar organizations favors analytic queries that access a large number of values from a subset of the columns and make heavy use of aggregations and joins. dashDB also leverages compression to allow larger amounts of data to reside in memory.
Q2. 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
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. When defining a Cloudant view, what must be defined?
A. a map function
B. a sort function
C. a reduce function
D. a rereduce function
Answer: A
Q5. 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
Q6. 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.
Q7. What is the output of thecf appscommand?
A. a list of all the applications and services for the developer’s organization
B. a list of services bound to each application for the developer’s organization
C. a list of all the running applications on IBM Bluemix PaaS with application owner ID
D. a list of all the applications in the developer’s space with the name and resource utilization
Answer: D
Q8. 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