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C5050-285 Exam Questions - Online Test


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Q1. 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 

Q2. Which twostatements are correct regarding SQL scripts in the dashDB Service Web Console to manage instances in the IBM Bluemix PaaS?(Select two.) 

A. The script can be validated prior to running it. 

B. A script can be named and saved for later use. 

C. Syntax errors in the script can only be detected when the script is run. 

D. Unless specified otherwise via the dashDB configuration, Informix SQL syntax is used. 

E. Scripts can only containSQL INSERT, SQL UPDATE, and DDLcommands to create tables and views. 

Answer: B,D 

Q3. After selecting All Documents in a Cloudant database using the Cloudant Dashboard, what is the result of selecting Include Docs in the Query Options and clicking Query as shown in the image? 

A. A search index would be created for all the documents to make the query run faster. 

B. All fields from each document will be shown in the display. 

C. An error indicating an illegal operation is displayed because this option cannot be used unless a key range is specified. 

D. The summary is replaced with a link to download the entire contents of all documents. 

Answer:

Q4. 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:

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 

Q5. Which step must be taken in an application to use the IBM Single Sign On service for Bluemix PaaS? 

A. implement an authentication callback 

B. implement a login form requesting User ID and password 

C. configure the OAuth 2.0 client with the SSO service credentials 

D. securely store user credentials used for the external authentication 

Answer:

Q6. When defining a Cloudant view, what must be defined? 

A. a map function 

B. a sort function 

C. a reduce function 

D. a rereduce function 

Answer:

Q7. 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:

Reference:http://www.redbooks.ibm.com/redpapers/pdfs/redp5126.pdf(p.17) 

Q8. 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:

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. 

Q9. 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:

Q10. 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:

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)