Developing Cloud Native Applications Coursera Quiz Answers – 100% Correct

Developing Cloud Native Applications Week 01 Quiz Answers

Quiz : Module 1 Graded Quiz

Q1. Which of the following is not part of the cloud native stack?

  • Application code
  • Application runtime
  • Machine learning models
  • Cloud infrastructure

Q2. Cloud native applications consist of microservices working together to comprise an application. Where are the microservices typically packaged?

  • Libraries
  • Vaults
  • Containers
  • Sandbox

Q3. What is one of the efforts that CNCF considers their responsibility?

  • Reviewing project submissions
  • Developing new technology
  • Making technologies accessible and reliable
  • Making cloud native computing ubiquitous

Q4. CNCF technology projects progress through three ascending stages. Which is the middle stage?

  • Submission
  • Incubated
  • Graduate
  • Sandbox

Q5. The app modernization effort touches which stages of application development?

  • Innovation, Agile Delivery, Cost Reduction
  • Cloud Native, Cloud Ready, Traditional
  • Build, Deploy, and Run
  •  Refactor, Repackage, Test

Q6. Which of these modernization patterns involve leaving the complex parts of the application as is?

  • Expose APIs
  • Migrate monolith to a cloud runtime 
  • Refactor to microservices
  • Strangle the monolith

Q7. What pattern does TDD follow?

  • Only some of the code is backed by a test
  • Green-red-deploy
  • Write code and then test
  • Red-green-refactor

Q8. What does an SRE use to reveal system downtime when making changes?

  • Controlled risk
  • Error budgets
  • Service-level agreements
  • Service-level objectives

Q9. What is an important reason why organizations use public and hosted private clouds?

  • Lack of concern with platform and infrastructure needs
  • Remove developer concerns and commitment about storage and memory
  • Cut costs by reducing IT staff 
  • Increase security

Q10. What is the difference between a private hosted cloud and a private cloud?

  • A private cloud can be hosted and maintained by an organization on premises
  • A private cloud can be hosted by an external vendor but maintained by the organization
  • Hosted private clouds are maintained by an external vendor for one   organization
  • All of the above

Developing Cloud Native Applications Week 02 Quiz Answers

Quiz : Module 2 Graded Quiz

Q1. What is one of the IBM Cloud catalog categories for infrastructure resources?

  • IoT
  • Networking
  • Application
  • Service

Q2. What resources do virtual servers share with other operating systems?

  • Functions
  • Software resources
  • Web applications
  • Cloud Foundry Apps

Q3. How are runtime environments integrated into IBM Cloud?

  • As buildpacks
  • As templates
  • As services
  • As applications

Q4. What is one of the resources found in the IBM Cloud Default Dashboard?

  • Available memory
  • Storage size
  • Application logs
  • Network bandwidth

Q5. When you bind a service to an application, where are the credentials stored?

  • Application environment variables
  • Service dashboard
  • Service variables
  • User-defined environment variable

Q6. What responsibility does the resource controller have?

  • Manages access to Cloud Foundry regions
  • Manages IAM
  • Determines account resources
  • Manages the lifecycle of account resources

Q7. What is one of the advantages that services using Cloud IAM have over services based on Cloud Foundry?

  • Coarse-grained access control
  • Collaboration among team members
  • Connect to apps in different organizations
  • None

Q8. What Cloud Foundry user role can enable features for spaces?

  • Space auditors 
  • Space developers
  • Organization auditors
  • Space managers

Q9. What holds the credentials of the service that you bind to an application?

  • SystemRoot
  • Temp
  • AppData 

Q10. What roles do the basic concept “rules” perform for IBM Cloud functions?

  • Triggering actions 
  • Linking triggers to actions or sequences
  • Piece of code performing one specific task 
  • Flow of actions to complete one function 

Developing Cloud Native Applications Week 03 Quiz Answers

Quiz : Module 3 Graded Quiz

Q1. Node.js is the server-side component that runs what language?

  • Java
  • Python
  • Ruby
  • JavaScript

Q2. What advantage does Node.js provide by being event-driven and using asynchronous, non-blocking I/O?

  • Less code
  • Lower cost
  • Easier maintenance
  • Easy to scale

Q3. What open source engine does Node.js run on?

  • V8
  • V6
  • Apache Lucene Core
  • Panda 3D

Q4. What is one of the things you can manage with IBM Cloud CLI?

  • Credit card payment
  • Infrastructure
  • Network
  • IDEs

Q5. In ibmcloud CLIs, what can you use to automate the management and deployment process?

  • Markdown
  • Shell scripts
  • HTML
  • XML

Q6. After installing IBM Cloud CLI, what command can you use to verify the tool works in your environment?

  • ibmcloud –check
  • ibmcloud –version
  • ibmcloud status
  • ibmcloud cli

Q7. When you use a federated ID to log in to your IBM Cloud, what command do you use?

  • login
  • ibmcloud login –fid
  • cf login
  • ibmcloud login –sso

Q8. What syntax is recommended for use in IBM Cloud CLI for cf commands?

  • cf <command> 
  • ibmcloud <cf_command>
  • ibmcloud cf <cf_command>
  • cf ibmcloud <command>

Q9. What command lets you upload, deploy, and start a Cloud Foundry application in IBM Cloud?

  • ibmcloud push
  • cf target 
  • ibmcloud pull
  • ibmcloud app push

Q10. What file stores the deployment settings for a cf application in IBM Cloud?

  • Manifest.xml
  • Manifest.yml
  • Manifest.SXML
  • Manifest.txt 

Developing Cloud Native Applications Week 04 Quiz Answers

Quiz : Module 4 Graded Quiz

Q1. With DevOps, which teams work together to support the software lifecycle from code design to deployment to production?

  • Development and operations
  • Development and security
  • Deployment and operations
  • Deployment and testing

Q2. Where is DevOps code continuously delivered and integrated into?

  • The desktop application
  • The IBM Cloud catalog
  • The main shared repository
  • The market feedback tool

Q3. Which Continuous Delivery feature can you use to automate builds, unit tests, and deployment?

  • Issue tracker
  • Git repository
  • Delivery Pipeline
  • Web IDE

Q4. Fill in the blank: Using the Continuous Delivery service, you can create DevOps toolchains to enable tool _____ that support your development, deployment, and operations tasks.

  • Integrations
  • Collaborations
  • Segmentations
  • Environments

Q5. Fill in the blank: The following are all ways to add a toolchain to your Continuous Delivery instance EXCEPT _____.

  • Click Create a Toolchain on the Getting Started page that appears when you create the service
  • Clone the main repository
  • Enable Continuous Delivery in an existing application
  • Add a toolchain from the catalog

Q6. The Continuous Delivery user interface used to create a toolchain groups the tools into which of the following four phases?

  • Code, Delivery, Run, Manage
  • Think, Code, Deliver, Run
  • Think, Code, Deliver, Manage 
  • Think, Culture, Deliver, Run

Q7. What IBM Cloud feature lets you debug code in the browser ?

  • ibmcloud CLI
  • IDE
  • IBM Cloud Live Sync
  • ibm toolchain

Q8. Which Continuous Delivery feature provides a full-featured environment for writing your application code in your web browser?

  • Markup language
  • Open toolchain
  • The Web IDE editor 
  • Delivery Pipeline

Q9. What does enabling Continuous Delivery for an application create?

  • A Git repository to manage source code
  • Kubernetes containers
  • A pipeline job to run automated tests of code
  • IBM Cloud API Docs

Q10. What are you allowed to configure for each stage in Delivery Pipeline ?

  • CPU
  • Instances
  • Environment variables
  • Memory

Developing Cloud Native Applications Week 05 Quiz Answers

Quiz : Module 5 Graded Quiz

Q1. What is Representational State Transfer (REST)?

  • A web resource
  • An architectural style
  • An API
  • A server-side application

Q2. Fill in the blank: REST uses a Uniform Resource Identifier (URI) to _____.

  • Use lightweight data models
  • Post data to the server
  • Describe the network location of the resource to retrieve or update
  • Define the structure of a web page

Q3. What do you use to call a REST service?

  • HTML resources
  • Server entry points
  • HTTP method nouns
  • HTTP method verbs

Q4. Which of the following are characteristics of REST and REST services?

  • REST provides a simple approach for building services for client/server interactions
  • REST services follow standard protocols
  • REST services tend to use lightweight data models
  • All of the above

Q5. What does a REST service do when you apply it to a server-side application?

  • Describes its location on the network server application resource
  • Codes the server side in a language like Java or Python
  • Defines the structure of a web page
  • Makes available an application as a web resource

Q6. Which of the following elements could the REST service write in a response?

  • Content-length
  • Response body
  • Date
  • All of the above

Q7. On which two structures is JSON built?

  • Array-value pairs and key lists
  • Name-value pairs and list of values
  • List of values and markup language
  • Name-value pairs and HTTP

Q8. Which of these is NOT a characteristic of JSON?

  • Easy for applications to parse and generate
  • Nesting of objects
  • Lightweight data interchange format
  • Markup language

Q9. What do Watson services allow you to build?

  • Cognitive apps
  • IBM Cloud API Docs
  • IDE
  • Unstructured data

Q10. What do you need to do to use Postman to interact with the Watson Natural Language Understanding (NLU) service?

  • Get an IAM token from the user’s NLU service API
  • Have the NLU service already created on your IBM account 
  • Send the URL of the data in the body of the request 
  • All of the above

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