Cloud Computing Introduction and Data Centers
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Questions and Answers

What is the estimated number of users on Facebook?

  • 2 billion (correct)
  • 4 billion
  • 1 billion
  • 3 billion

    • How many queries per day does Google serve?

  • 3.5 billion (correct)
  • 5 billion
  • 10 billion
  • 1.5 billion

    • What is a characteristic of a cluster?

  • Single powerful server
  • Used by multiple organizations
  • Many similar machines with close interconnection (correct)
  • Contains only storage devices

    • What is the purpose of using many computers in modern applications?

    <p>To process massive amounts of data (A)</p> Signup and view all the answers

    What challenge arises as cluster size increases beyond office capacity?

    <p>Need for a separate building (C)</p> Signup and view all the answers

    What is a main requirement for a data center due to its components?

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

    Why is energy consumption a critical issue for data centers?

    <p>They consume a lot of energy and generate heat (D)</p> Signup and view all the answers

    What is an example of a company thought to have over a million servers?

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

    What does scalability in cloud services refer to?

    <p>The ability of services to grow or shrink based on needs. (B)</p> Signup and view all the answers

    How does cloud computing provide cost-efficiency?

    <p>By allowing users to pay only for the storage they use. (D)</p> Signup and view all the answers

    What is an example of Software as a Service (SaaS)?

    <p>Microsoft 365. (C)</p> Signup and view all the answers

    Which type of cloud service is primarily aimed at developers to streamline application development?

    <p>Platform as a Service (PaaS). (B)</p> Signup and view all the answers

    What does Infrastructure as a Service (IaaS) provide?

    <p>Basic computing infrastructure like servers and storage. (D)</p> Signup and view all the answers

    Which of the following is NOT a form of cloud service provided?

    <p>Database as a Service (DBaaS). (D)</p> Signup and view all the answers

    What primary benefit does using cloud-based applications like Google Drive offer?

    <p>Access to files from any device with internet. (D)</p> Signup and view all the answers

    Which cloud service allows users to focus mainly on coding without managing servers?

    <p>Platform as a Service (PaaS). (D)</p> Signup and view all the answers

    What is a primary reason for building additional data centers?

    <p>To provide cheaper resources (C)</p> Signup and view all the answers

    What is a significant problem businesses face when building their own data centers?

    <p>Expensive hardware and expertise needs (A)</p> Signup and view all the answers

    What is one of the main benefits of cloud computing?

    <p>Pay-as-you-go model (C)</p> Signup and view all the answers

    Which component is essential for accessing cloud computing services?

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

    What challenge is associated with scaling up a data center?

    <p>Time-consuming installation of new machines (B)</p> Signup and view all the answers

    How do data centers compare to traditional warehouses?

    <p>Data centers house powerful computers for processing data (C)</p> Signup and view all the answers

    What can make scaling down a data center difficult?

    <p>What to do with excess hardware (B)</p> Signup and view all the answers

    What aspect of cloud computing enhances accessibility?

    <p>Data stored on remote servers available anywhere (B)</p> Signup and view all the answers

    Study Notes

    Cloud Computing Introduction

    • Cloud computing is a way to store and process information on the internet, instead of on a personal computer.
    • It allows access to data and applications from any device with an internet connection.
    • It uses massive data centers, composed of clusters of servers.
    • Data centers often have their own power and cooling systems.

    Data Center Characteristics

    • Data centers can be the size of a football field.
    • They contain hundreds or thousands of clusters of servers.
    • They require massive networking, emergency power supplies, and cooling infrastructure.

    Data Center Challenges

    • Building and maintaining a data center is expensive and requires expertise.
    • Scaling up or down a data center is challenging.

    Cloud Computing Solutions

    • Cloud computing solves the challenges of building and managing data centers.
    • It is cheaper to run one large data center than many smaller ones.
    • It offers high utilization and a pay-as-you-go model.
    • It is scalable, adding more resources within seconds.

    Cloud Computing Benefits

    • Accessibility: Allows data and programs to be accessible from anywhere with an internet connection.
    • Scalability: Can easily grow or shrink to meet needs, similar to a room expanding or contracting.
    • Cost-Efficiency: Pays for only the space used, rather than buying and maintaining own storage.

    Cloud Computing Examples

    • Email: Services like Gmail store emails in the cloud.
    • File Storage: Services like Google Drive and Dropbox store files in the cloud.
    • Streaming: Services like Netflix and Spotify store movies and music in the cloud.

    Cloud Computing Models

    • Software as a service (SaaS): Renting software applications that run in the cloud.
    • Platform as a service (PaaS): Renting a platform for developing, testing, and deploying applications.
    • Infrastructure as a service (IaaS): Renting basic building blocks of computing infrastructure, like servers and storage.

    Cloud Computing Model Examples

    • SaaS Example: Microsoft 365.
    • PaaS Example: Google App Engine
    • IaaS Example: Amazon Web Services (AWS) and Microsoft Azure.

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    Related Documents

    IE321-Cloud_computing (1).pdf

    Description

    Explore the fundamentals of cloud computing and the characteristics of data centers. This quiz covers the challenges and solutions associated with cloud infrastructure. Test your knowledge on how cloud computing transforms data management.

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