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C5050-285 Exam Questions - Online Test


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Q1. 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:

Q2. 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:

Q3. When a Node.js application is configured for IBM Bluemix Live Sync Debug mode, opening the url https://<app-host>.mybluemix.net/bluemix-debug/manage shows: 

What will occur when the Restart button is selected? 

A. Redeploy and restart the application. 

B. Restart without redeploying application. 

C. Restart the managed services and not the application. 

D. Recycle the application memory and jump to the current breakpoint. 

Answer:

Q4. 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:

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. 

Q5. 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:

Q6. 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 

Q7. How are managed services from the IBM Bluemix PaaS catalog used in an application? 

A. Services can only be used by anIBM Bluemix PaaS application with a signed one year agreement. 

B. Services can be found through the IBM Cloud Marketplace and must be purchased before using them. 

C. Services are ready for immediate use and can be used by any IBM Bluemix PaaS application after binding. 

D. Services must be downloaded from IBM, third-party, or community locations and installed on a virtual machine before using them. 

Answer:

Q8. 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:

Q9. What are the two key benefits of Cloudant Sync? (Select two.) 

A. Sensitive data is encrypted by default before replication. 

B. Replication is extremely fast because it is limited to documents less than2KB in size. 

C. The distributed database architecture is more scalable thana single central database. 

D. It enables mobile device apps accessing the database to operate without a network connection. 

E. It significantly reduces the amount of storage needed once all participating databases are in sync. 

Answer: A,C 

Q10. 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: