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2021 Apr C5050-285 free practice questions
Q21. A developer is creating an application to search social media for pictures with specific content, What IBM Bluemix PaaS service should they use?
A. DreamFace
B. AlchemyAPI
C. Personality Insights
D. Monitoring and Analytics
Answer: B
Reference:http://www.alchemyapi.com/api/image-link-extraction
Q22. 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.
Q23. A developer’s application is falling to work correctly in IBM Bluemix PaaS. The developer is unsure if the problem is caused by a bad environment value or a bug in the code. How should they proceed?
A. Rebind the service associated with VCAP_SERVICES.
B. Usecf env <app_name>to get all the environment variables forthe application.
C. Delete the service associated with VCAP_SERVICES and recreate it without rebinding.
D. Usecf set-env <app_name>to set all environment variables to null for the application.
Answer: A
Q24. 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
Avant-garde C5050-285 free question:
Q25. 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
Q26. The following document exists in a Cloudant database namedinvoicescreated by usercandidate
What information is required in order to delete it?
A. the document’s_idonly
B. the document_idanduser
C. the document’s most recent_revvalue only
D. the document’s_idand most recent_revvalue
Answer: D
Explanation:
To delete a document you need its _id and _rev, the easiest way to get the _rev for a known document _id is to issue a HEAD request against the document:
Command
curl -i -X HEADhttps://[username].cloudant.com/crud/[doc_id]
Response
HTTP/1.1 200 OK X-Couch-Request-ID: 89d9d456 Server: CouchDB/1.0.2 (Erlang OTP/R14B) ETag: "2-e4b98cc0fc2a181e4eb26f8ad41fa5fe" Date: Mon, 04 Jun 2012 14:47:15 GMT Content-Type: text/plain; charset=utf-8 Content-Length: 113 Cache-Control: must-revalidate
Q27. 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
Q28. 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.
Where can the developer look to obtain a current display of CPU, disk and memory usage?
A. Track and Plan
B. Workload Scheduler
C. Instance Details panel
D. AppScan Dynamic Analyzer
Answer: C
Explanation:
The Instance Details panel provides the current view of running instances for an application, and the CPU and memory utilization of each instance. This panel can be accessed from the CloudFoundry dashboard by selecting an application to bring up the overview, and then clicking on the runtime for the application.