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IBM Cloud Platform Application Development V1

Question No: 11

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?

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  1. OnlySQL SELECTstatements are allowed.

  2. The queries can only be generated through a wizard.

  3. Queries can use JSON documents as SQL command arguments.

  4. A maximum of 500 rows of data can be returned from each query.

Answer: C

Question No: 12

A developer is creating an application to search social media for pictures with specific content, What IBM Bluemix PaaS service should they use?

  1. DreamFace

  2. AlchemyAPI

  3. Personality Insights

  4. Monitoring and Analytics

Answer: B

Reference:http://www.alchemyapi.com/api/image-link-extraction

Question No: 13

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?

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

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

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

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

Answer: A

Question No: 14

What are the two key elements defined in an Organization inIBMBluemix PaaS?(Select two.)

  1. Cities

  2. Users

  3. Routers

  4. 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/

Question No: 15

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?

  1. Increase the start timeout in manifest.yml of the application.

  2. Increase the deploy timeout in manifest.yml of the application.

  3. Increase the upload timeout in manifest.yml of the application.

  4. 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/

Question No: 16

The following document exists in a Cloudant database namedinvoicescreated by usercandidate

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What information is required in order to delete it?

  1. the document’s_idonly

  2. the document_idanduser

  3. the document’s most recent_revvalue only

  4. 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: quot;2-e4b98cc0fc2a181e4eb26f8ad41fa5fequot; Date: Mon, 04 Jun 2012 14:47:15 GMT

Content-Type: text/plain; charset=utf-8 Content-Length: 113

Cache-Control: must-revalidate

Question No: 17

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?

  1. Epic

  2. Task

  3. Story

  4. Detect

Answer: C

Question No: 18

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?

  1. Track and Plan

  2. Workload Scheduler

  3. Instance Details panel

  4. 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.

Question No: 19

Which component is responsible for managing the deployment of an application running in IBM Bluemix PaaS?

  1. Router

  2. Load Balancer

  3. Health Manager

  4. Cloud Controller

Answer: D

Question No: 20

According to this application Overview panel image, how is the memory quota (measured in MB) applied to the two instances?

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  1. each instance gets 512 MB of memory

  2. each instance shares the available memory

  3. the instance that receives the most traffic gets the most memory

  4. the instance will divide the memory quota evenly, each receiving 256 MB of memory

Answer: B

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