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2021 Apr C5050-285 real exam
Q1. 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
Q2. 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: B
Q3. 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/
Q4. A team of developers is working on a single repository in IBM Bluemix DevOps Services. Which DevOps feature should be used to confirm the integrity of their source code by running tests every time code is delivered to the shared repository?
A. Source Control: Test code upon commit
B. Web IDE: Enable Automatic Unit Testing
C. Delivery Pipeline: Configure a build stage
D. Track & Plan: Create a Work Item of type Test
Answer: A
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)
Q5. Which operation is supported by the development mode in Eclipse Tools for Bluemix in IBM Bluemix PaaS?
A. initiate remote debug sessions with that application instance
B. scale the application while load testing for development purposes
C. send emails to developer when bug is hit or crash occurs on the application instance
D. help develop the application by lockingthe access to the application and allowing a fix while nobody else can use it
Answer: A
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 12)
Improve C5050-285 simulations:
Q6. 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
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. 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
Q9. 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.
Q10. Which two capabilities are available in the dashDB Service Web Console to manage instances in IBM Bluemix PAAS?(Select two.)
A. sync data from an instance of Cloudant
B. load Comma Separated Values (CSV) from an external file
C. load relational data directly from another instance of dashDB
D. load relational data directly from an instance of SQL Database
E. load time series data directly from an instance of the Time Series database
Answer: B,E