Introduction to Cloud Computing
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Questions and Answers

What major drawback is associated with mainframe systems?

  • Low fault tolerance
  • Limited transaction processing capabilities
  • High maintenance cost (correct)
  • Almost no downtime (correct)

What primarily differentiates cluster computing from grid computing?

  • The cost of implementation
  • Level of fault tolerance
  • Geographical restrictions of nodes (correct)
  • Type of data processed

Which of the following problems are associated with grid computing?

  • Limitations in software integration
  • Low bandwidth availability (correct)
  • Insufficient processing power
  • Cost of hardware acquisition

What does virtualization in computing primarily allow users to do?

<p>Run multiple instances on a single hardware layer (B)</p> Signup and view all the answers

What is the primary role of Web 2.0 in cloud computing?

<p>Enabling interactive and dynamic web pages (A)</p> Signup and view all the answers

Which computing model is defined by pay-per-use provisioning techniques?

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

Which aspect is NOT a component of cloud computing architecture according to the provided content?

<p>Service Layer (A), Back End (B), Middleware (D)</p> Signup and view all the answers

What significant effect did the introduction of middleware have on cloud computing?

<p>Facilitated integration between different services (B)</p> Signup and view all the answers

What type of computing requires only one computer while performing multiple operations?

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

What is the primary role of the client-side infrastructure in cloud computing?

<p>To provide a Graphical User Interface for interaction (A)</p> Signup and view all the answers

What is one of the primary requirements for effective parallel processing?

<p>Efficient use of underlying parallel hardware (D)</p> Signup and view all the answers

Which of the following accurately describes distributed computing?

<p>Requires multiple autonomous computers coordinating via message passing (A)</p> Signup and view all the answers

Which of the following is NOT one of the service models of cloud computing?

<p>Network as a Service (NaaS) (B)</p> Signup and view all the answers

What distinguishes parallel computing from distributed computing?

<p>Parallel computing operates on different locations with multiple processors. (C)</p> Signup and view all the answers

What element primarily facilitates the communication between the front-end and back-end in cloud computing?

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

Which statement accurately describes the management component of cloud computing?

<p>It coordinates the interaction of various components in the cloud. (D)</p> Signup and view all the answers

Which of the following is NOT a benefit of serial computation?

<p>Ability to handle complex problems (D)</p> Signup and view all the answers

What does the term 'runtime cloud' refer to in cloud computing?

<p>The environment required for virtual machine execution (C)</p> Signup and view all the answers

In what situation is distributed computing particularly advantageous?

<p>For solving a problem that exceeds the capability of a single system (B)</p> Signup and view all the answers

Which of the following statements about SaaS (Software as a Service) is INCORRECT?

<p>It provides infrastructure-level services to clients. (A)</p> Signup and view all the answers

What characteristic does NOT apply to parallel computing?

<p>Utilizes message passing between autonomous systems (C)</p> Signup and view all the answers

Which of the following is a problem associated with serial computation?

<p>Limited to one instruction executing at a time (B)</p> Signup and view all the answers

What is primarily stored in the cloud's storage component?

<p>Large amounts of data to manage and store (C)</p> Signup and view all the answers

In cloud computing, what role do web browsers and mobile apps play?

<p>They serve as clients for accessing services. (C)</p> Signup and view all the answers

What is a key disadvantage of using a public cloud for deployment?

<p>Less secure than other models (D)</p> Signup and view all the answers

Which deployment model combines both public and private clouds?

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

What advantage does a private cloud have over other deployment models?

<p>Higher customization potential (C)</p> Signup and view all the answers

Which aspect is NOT typically associated with community clouds?

<p>Access limited to non-profit organizations (C)</p> Signup and view all the answers

What is a common disadvantage of hybrid clouds?

<p>High set-up complexity (A)</p> Signup and view all the answers

Which of the following is NOT an example of a public cloud service?

<p>HP Data Centres (C)</p> Signup and view all the answers

What is a primary use case for community clouds?

<p>Cross-organizational collaboration (A)</p> Signup and view all the answers

Which of the following statements is true about cloud deployment models?

<p>Hybrid clouds enable both security and flexibility. (B)</p> Signup and view all the answers

What does the term 'cloud' refer to in the context of cloud computing?

<p>Servers accessed over the internet along with the software and databases running on them (D)</p> Signup and view all the answers

Which property of cloud computing allows multiple users to utilize shared resources over the internet?

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

What is a key disadvantage of using cloud computing?

<p>It requires a constant internet connection (C)</p> Signup and view all the answers

What was a major limitation of distributed systems that led to the development of cloud computing?

<p>Inability to pool resources effectively across multiple locations (D)</p> Signup and view all the answers

Which of the following statements best describes 'Client infrastructure' in the context of cloud computing?

<p>Devices through which users access cloud services (C)</p> Signup and view all the answers

Which of the following is NOT an advantage of cloud computing?

<p>High initial capital investment (A)</p> Signup and view all the answers

Which computing model was a precursor to the development of cloud computing?

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

Which of the following best describes Mainframe Computing?

<p>Highly powerful machines designed for processing large amounts of data (D)</p> Signup and view all the answers

What main function does PaaS provide to developers?

<p>It provides tools for creating, testing, and deploying applications. (A)</p> Signup and view all the answers

Which of the following is NOT a characteristic of IaaS?

<p>It requires physical infrastructure management by users. (A)</p> Signup and view all the answers

Which statement accurately summarizes the difference in end-user focus among SaaS, PaaS, and IaaS?

<p>SaaS is primarily for end users, PaaS for developers, and IaaS for network architects. (B)</p> Signup and view all the answers

What is a common misconception about PaaS?

<p>PaaS provides a physical platform for application deployment. (B)</p> Signup and view all the answers

What is a key feature of SaaS that distinguishes it from PaaS and IaaS?

<p>SaaS manages software upgrades and patches centrally. (B)</p> Signup and view all the answers

How does the scalability characteristic of IaaS differ from PaaS?

<p>IaaS enables resources to be scaled up or down based on demand. (C)</p> Signup and view all the answers

What typical service is NOT provided by SaaS?

<p>Infrastructure for building applications. (D)</p> Signup and view all the answers

Which of the following best describes the users of IaaS?

<p>They are network architects requiring virtualized infrastructure resources. (A)</p> Signup and view all the answers

Flashcards

What is Cloud Computing?

A combination of hardware and software computing resources delivered as network services, which provides on-demand availability of computer resources. It allows users to access computing power and data storage without direct active management.

What is the 'Cloud' in Cloud Computing?

Refers to servers accessible over the internet along with the software and databases running on them.

What are Distributed Systems?

A system where multiple independent systems collaborate and appear as a single entity to users. Enables efficient sharing of resources.

What are Mainframe Computers?

Powerful computing machines designed for processing large amounts of data quickly.

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What is On-demand Self-service in Cloud Computing?

Allows users to access computing resources as needed without direct management, enabling scalability and flexibility.

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What is Universal Document Access in Cloud Computing?

Cloud computing resources are accessible from various devices and locations, making it convenient for users.

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What are Instant Software Updates in Cloud Computing?

Cloud services automatically update, ensuring users always have the latest versions, simplifying maintenance.

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What is Resource Pooling in Cloud Computing?

Refers to the ability of cloud services to handle varying workload demands by sharing resources efficiently.

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Cluster Computing

A computing model where many computers connected on a network function as a single entity, offering high computational power and scalability. They were a cheaper alternative to mainframes and could be easily expanded.

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Grid Computing

A computing model where geographically dispersed systems are connected via the internet, enabling collaboration and resource sharing across different locations.

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Virtualization

A software technology that creates a virtual layer on hardware, allowing multiple instances to run simultaneously on the same physical resources.

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Cloud Computing

A computing paradigm that provides access to resources, services, and applications over the internet on a pay-per-use basis, enabling on-demand access.

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Utility Computing

A computing model that defines service provisioning techniques, offering on-demand access to services like computing power, storage, and infrastructure on a pay-per-use basis.

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Software as a Service (SaaS)

A specific service model in cloud computing that provides software applications delivered over the internet, allowing users to access and use them without installation.

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Web 2.0

The user interface through which cloud computing services interact with clients, allowing users to access and manage cloud resources.

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Service Orientation

A reference model for cloud computing, defining the principles of service provisioning and quality of service (QoS) in the cloud environment.

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Client - Infrastructure

The front-end element in cloud computing, providing the user interface for interaction.

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Back-End

A collection of servers, storage, and networks managed by cloud service providers.

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Internet

The communication channel between the front-end and back-end in cloud computing.

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Security

Responsible for securing data and resources within the cloud, determined by the service provider.

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Management

A key component managing various aspects of cloud services, including applications, storage, and security.

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Infrastructure

The foundation of cloud systems, providing hardware and software resources at various levels.

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Storage

Provides massive storage space for managing and storing data in the cloud.

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Runtime Cloud

Provides the environment for executing and running virtual machines in the cloud.

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Public Cloud

A type of cloud computing where systems and services are accessible to the general public. Offers flexibility, low cost, and place independence.

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Private Cloud

A type of cloud computing where systems and services are accessible within an organization. It's highly secure and customizable.

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Hybrid Cloud

A combination of public and private clouds, providing both flexibility and security.

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Community Cloud

A type of cloud computing where systems and services are shared between organizations.

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Deployment

The process of making software available and ready for use.

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Internal Cloud

A deployment model where a dedicated cloud environment is created within an organization, managed either internally or by a third-party provider.

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Hybrid Cloud Usage

In hybrid cloud, non-critical tasks are handled by the public cloud, while critical tasks are managed by the private cloud.

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Distributed System

A network of interconnected computers designed to collaborate and work together as a single entity. This model offers high computational power and efficient sharing of resources.

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Parallel Computing

A type of computing where a problem is broken down into smaller tasks that are executed simultaneously by multiple processors.

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Distributed Computing

A type of computing where multiple computers collaborate as a single system, communicating via message passing.

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Serial Computing

A type of computing that involves running instructions one after the other on a single processor.

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SaaS (Software as a Service)

A third-party service provider that offers software as a service over the internet, providing access to applications without needing to manage the underlying infrastructure.

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PaaS (Platform as a Service)

A type of cloud computing model that offers developers a platform with tools, databases, and infrastructure to build and deploy applications without managing the underlying hardware or software.

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IaaS (Infrastructure as a Service)

A form of cloud computing that provides users with virtualized computing resources like servers, storage, and networking over the internet.

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Centralized Software Management

A key characteristic of SaaS where the software is managed centrally by the provider, ensuring consistency and updates for all users.

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Web Access to Software

A key characteristic of SaaS where users access the software through web browsers, making it device-independent and accessible from anywhere with an internet connection.

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"One-to-Many" Software Delivery

A key characteristic of SaaS where software is delivered to many users, eliminating the need for individual installations and maximizing efficiency.

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Automatic Software Upgrades

A key characteristic of SaaS where the provider handles software upgrades and patches, relieving users of maintenance burden and ensuring they always have the latest version.

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Comprehensive Development Services

A key characteristic of PaaS where developers have access to a variety of tools and services to assist them in building, testing, and deploying applications.

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Study Notes

Cloud Computing Introduction

  • Cloud computing combines "cloud" and "computing"
  • Cloud refers to servers accessed over the internet
  • Software and databases run on these servers
  • Cloud computing involves any activity that uses computer systems and resources, managed by the user directly or actively.

Definition of Cloud Computing

  • Cloud computing provides on-demand availability of computer system resources, including data storage, and computing power.
  • Management of the system resources is handled by the users or customers.

Properties of Cloud Computing

  • Generally used to describe many services over the internet
  • Available on-demand, self-service, and pay-as-you-go.
  • Utilizes a combination of software and hardware.
  • Delivered as a network service
  • Resource pooling

Advantages of Cloud Computing

  • Cost reduction
  • Security
  • Reliability
  • Improved performance
  • Instant software updates
  • Universal device access
  • Device independence.

Disadvantages of Cloud Computing

  • Requires a constant internet connection
  • May not work well with a low Internet connection.

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Description

This quiz covers the basics of cloud computing, including its definition, properties, advantages, and disadvantages. Explore how cloud services operate and their significance in today's digital landscape. Test your understanding of the concepts surrounding cloud technologies.

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