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2021 Apr C5050-285 actual exam

Q11. 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/ 


Q12. Which three features are provided by IBM Bluemix DevOps Services?(Select three.) 

A. web code editor B. Delivery Pipeline 

C. database management 

D. application usage statistics 

E. source control management 

F. automatic unit test generation 

Answer: A,B,E 

Reference:https://www-304.ibm.com/partnerworld/wps/servlet/download/DownloadServlet?id=7do7u9UN5SciPCA $cnt&attachmentName=Study_Guide_C5020_285.pdf&token=MTQ1MzQwMDAwNDE0Mg ==&locale=en_ALL_ZZ(page 24) 


Q13. 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 


Q14. 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 


Q15. Which two actions can be performed using IBM DataWorks Forge? (Select two.) 

A. create a new SQL database 

B. join data from multiple tables 

C. assess quality of sample data 

D. generate large sample datasets 

E. perform bulk updates to tables using natural language 

Answer: B,C 


Renew C5050-285 exam cram:

Q16. 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 


Q17. Applications A, B and C are configured to use IBM MQ Light for Bluemix messaging capabilities. Application A publishes messages as shown in the diagram. What messages are received by Applications B and C? (Select two.) 

A. Application C receives “My” “World” 

B. Application B receives “Hello” “World” 

C. Application B receives “Hello” “Bluemix” D. Application B receives “Hello” “My” “Bluemix” “World” 

E. Application C receives “Hello” “My” “Bluemix” “World” 

Answer: D,E 


Q18. 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. 


Q19. 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 


Q20. 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