C5050-285 Exam
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2021 Mar C5050-285 pdf exam
Q11. 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.
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. 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
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. What are the two key elements defined in an Organization inIBMBluemix PaaS?(Select two.)
A. Cities
B. Users
C. Routers
D. Spaces E Regions
Answer: B,D
Explanation:
Organizations and spaces are organizational units in the infrastructure that can store and track application resources. An organization contains domains, spaces, and users. A space contains applications and services. The default spaces are Development, Production, and Staging.
Reference:http://www.ibm.com/developerworks/cloud/library/cl-bluemix-summary/
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Q16. While using the Web IDE in IBM Bluemix DevOpsServices, there is a need to change the
Bluemix deployment region from US South to the United Kingdom. What must be edited?
A. Launch Configuration
B. IBM Bluemix DevOps Services User Profile
C. IBM Bluemix PaaS manifest file (manifest.yml)
D. application configuration file (package.json or server.xml)
Answer: D
Q17. Which statement is true for binding services to IBM Bluemix PaaS applications?
A. All service instances must be bound to an application.
B. An application can bind to only one service instance of a given type.
C. More than one application can bind to the same service instance of a given type.
D. Two or more applications can not bind to the same service instance of a given type.
Answer: D
Q18. 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.
Q19. 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/
Q20. A developer has an application and they wish to make it availableas a service through IBM Cloud. Which two options are available for publishing the solution?(Select two.)
A. IBM Cloud
B. IBM SoftLayer
C. IBM Cloud Marketplace
D. IBM Connections Cloud
E. IBM Bluemix PaaS as a third-party service
Answer: C,E