Cloud Computing Design Methodologies Quiz
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Questions and Answers

What is the first step in the design methodology for the IaaS service model?

  • Component Design (correct)
  • Architecture Design
  • Deployment Design
  • Integration Design

    • In IaaS component design, what should be evaluated for each component?

  • Testing strategies for application components
  • Implementation alternatives for design patterns (correct)
  • Cost analysis of cloud resources
  • User interface design principles

    • What design principle is emphasized for loosely coupled designs in IaaS architecture?

  • Messaging queues for asynchronous communication (correct)
  • Single-point failure strategies
  • Tightly integrated components
  • Synchronous communication

    • What is NOT required in the PaaS service model design methodology?

    <p>Deployment Design (B), Architecture Design (C)</p> Signup and view all the answers

    Which guideline should be followed for stateless designs in IaaS architecture?

    <p>Use external status databases (B)</p> Signup and view all the answers

    What is a key consideration in PaaS component design?

    <p>Platform specific features (D)</p> Signup and view all the answers

    Which of the following is a component of the deployment design in IaaS?

    <p>Web server mapping (C)</p> Signup and view all the answers

    Which statement is true regarding different PaaS offerings?

    <p>They provide platform specific SDKs. (D)</p> Signup and view all the answers

    What is primarily handled by the platform in PaaS environments?

    <p>Deployment and scaling of applications (A)</p> Signup and view all the answers

    What component is responsible for collecting social media feeds in the application tier?

    <p>Listener (B)</p> Signup and view all the answers

    Which database technology is utilized in the database tier of the Social Media Analytics App?

    <p>MongoDB (D)</p> Signup and view all the answers

    In the Image Processing application, which component corresponds to user interactions such as image submission?

    <p>Web Tier (C)</p> Signup and view all the answers

    Which framework is used in the architecture design of the Image Processing app?

    <p>Django (B)</p> Signup and view all the answers

    What is the main purpose of separating the Listener and Consumer components in the architecture design?

    <p>To improve scalability of the application (D)</p> Signup and view all the answers

    Which tier is responsible for rendering the results in the dashboard?

    <p>Application tier (D)</p> Signup and view all the answers

    What major constraint is associated with PaaS applications?

    <p>Difficulties in portability (D)</p> Signup and view all the answers

    Which tier of the Image Processing application stores the processed images?

    <p>Storage Tier (A)</p> Signup and view all the answers

    What role does the cloud storage play in the deployment design?

    <p>Storing raw data (A)</p> Signup and view all the answers

    Which component retrieves the feeds from the queue for analysis?

    <p>Consumer (D)</p> Signup and view all the answers

    What component design aspect corresponds to equation processing requests for displaying results in the Image Processing app?

    <p>Application Tier (B)</p> Signup and view all the answers

    In the deployment design of the app, which component is responsible for distributing network traffic?

    <p>Load balancer (C)</p> Signup and view all the answers

    In a multi-tier architecture, which component is typically used to manage traffic between the application servers?

    <p>Load balancer (D)</p> Signup and view all the answers

    Which element in the deployment design connects to cloud storage for processed images?

    <p>Storage service (A)</p> Signup and view all the answers

    The aggregated results of the feeds analysis are displayed to users through which application framework?

    <p>Django (C)</p> Signup and view all the answers

    What purpose does the web tier serve in the MapReduce app?

    <p>It provides a front end for job submission. (D)</p> Signup and view all the answers

    Which component is responsible for sending email notifications in the MapReduce app's application tier?

    <p>Notification sender component (D)</p> Signup and view all the answers

    How does the MapReduce app ensure scalability in job processing?

    <p>By separating job submission and job processing components. (A)</p> Signup and view all the answers

    What cloud service is used for job submission and processing in the MapReduce app?

    <p>Amazon EMR (D)</p> Signup and view all the answers

    What type of architecture does the Social Media Analytics application employ?

    <p>Multi-tier architecture (B)</p> Signup and view all the answers

    Which framework is used in the architecture design of the MapReduce app?

    <p>Django (A)</p> Signup and view all the answers

    What is the primary function of the analytics tier in the MapReduce app?

    <p>To analyze data using the Hadoop framework. (C)</p> Signup and view all the answers

    What is the main data source for the Social Media Analytics app?

    <p>Twitter tweets (C)</p> Signup and view all the answers

    What role does the application tier play in the Cloud Drive app?

    <p>It processes requests for file uploads and user management. (D)</p> Signup and view all the answers

    Which framework is used for the web tier components of the Cloud Drive app?

    <p>Django (D)</p> Signup and view all the answers

    What type of database is used in the database tier of the Cloud Drive app?

    <p>MySQL (B)</p> Signup and view all the answers

    In the deployment design of the Cloud Drive app, what is the purpose of the load balancer?

    <p>To distribute traffic to multiple application servers. (A)</p> Signup and view all the answers

    What functionality does the MapReduce app provide?

    <p>It enables users to submit MapReduce jobs for data analysis. (C)</p> Signup and view all the answers

    What is the purpose of the storage tier in the Cloud Drive app?

    <p>To store documents uploaded by users. (A)</p> Signup and view all the answers

    In the architecture design of the Cloud Drive app, what does the application tier correspond to?

    <p>Django views (C)</p> Signup and view all the answers

    Which service is the MapReduce app based on?

    <p>Amazon Elastic MapReduce (EMR) (A)</p> Signup and view all the answers

    Study Notes

    Introduction

    • This document is about cloud application development in Python.
    • It covers design methodologies and case studies for cloud applications.
    • The book is titled "Cloud Computing: A Hands-On Approach" by Arshdeep Bahga and Vijay Madisetti.

    Design Methodology for IaaS Service Model

    • Identify application components and their functions.
    • Group components based on cloud resource needs.
    • Define component inputs, outputs, and interfaces.
    • Evaluate implementation options (e.g., MVC).
    • Define interactions between application components.
    • Design for loosely coupled, stateless systems (e.g., messaging queues, REST APIs, external databases).
    • Map components to cloud resources (web servers, app servers, databases).

    Design Methodology for PaaS Service Model

    • Architecture and deployment are handled by the platform.
    • Developers need to consider platform-specific features.
    • Platform-specific SDKs are available for different PaaS offerings (e.g., Google App Engine, Windows Azure Web Sites).
    • Applications run in isolated environments (sandboxes).
    • Platform manages deployment and scaling.
    • Portability can be a constraint due to platform dependence.

    Image Processing App

    • Functionality: A cloud-based image processing application with online filtering.
    • Component Design: Web tier (front ends for submission/display), Application tier (image processing components), and Storage tier (processed images).

    Image Processing App - Architecture Design

    • The application uses the Django framework.
    • Web tier components map to Django templates.
    • Application tier components map to Django views.
    • Cloud storage (e.g., S3) is used for the storage tier.

    Image Processing App - Deployment Design

    • Deployment architecture is multi-tier (load balancer, application servers, cloud storage).
    • Each resource uses a corresponding Amazon Web Services (AWS) cloud service.

    Cloud Drive App

    • Functionality: A cloud-based document storage application.
    • Component Design: Web tier (front ends for file handling and user profiles), Application tier (components for file processing/user management), Database tier (user credentials), and Storage tier (file storage).

    Cloud Drive App - Architecture Design

    • This application uses the Django framework, with mappings to templates and views.
    • The database uses MySQL. Storage utilizes cloud storage (e.g., S3).

    Cloud Drive App - Deployment Design

    • Architecture is multi-tier (load balancer, application servers, cloud storage, database).
    • Uses Amazon Web Services (AWS) cloud services.

    MapReduce App

    • Functionality: Allows submitting MapReduce jobs for data analysis.
    • Component Design:
      • Web tier (front end for job submission).
      • Application tier (file upload/job creation/enqueueing).
      • Analytics tier (using Hadoop framework).
      • Storage tier (for files).

    MapReduce App - Architecture Design

    • Application utilizes Django framework, which maps components to templates and views.
    • Job submission and processing are separated for scalability.
    • Job requests are placed in a queue.
    • A consumer component executes MapReduce jobs and submits them to the Amazon EMR service.

    MapReduce App - Deployment Design

    • Multi-tier architecture using load balancers, application servers, cloud storage, and queueing mechanisms.
    • Each resource uses a corresponding AWS cloud service.

    Social Media Analytics App

    • Functionality: A cloud-based application for social media analytics, tracking keyword trends and sentiment.
    • Component Design:
      • Web tier (displaying results).
      • Application tier (listening, analysis, dashboard).
      • Database tier (MongoDB).
      • Storage tier (files).

    Social Media Analytics App - Architecture Design

    • The app is scalable through separating feeds collection and processing components (Listener and Consumer).
    • The Listener fetches tweets and enqueues them to a queue. The Consumer analyzes tweets and stores results in a database.
    • Results are displayed through a Django application.

    Social Media Analytics App - Deployment Design

    • Architecture is multi-tier (load balancer, application servers, queueing mechanisms, cloud storage, database).
    • Uses Amazon Web Services (AWS) cloud services.

    Further Reading

    • Includes relevant articles, websites, and documentation about cloud computing and Django.

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    Related Documents

    Chapter 6 - Cloud Application Development in Python PDF

    Description

    Test your knowledge on cloud application development using Python as featured in the book 'Cloud Computing: A Hands-On Approach' by Arshdeep Bahga and Vijay Madisetti. This quiz covers design methodologies for both IaaS and PaaS service models, focusing on component interactions and resource mapping.

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