Introduction to Cloud Computing Quiz
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Questions and Answers

What key benefit does elastic leasing in cloud computing provide?

  • Ensures constant resource availability regardless of demand
  • Permits permanent storage of data on local machines
  • Reduces the overall number of servers used
  • Allows resources to be expanded as necessary (correct)

In the context of cloud computing, what does the term 'virtualization' refer to?

  • The process of compressing data to save storage space
  • The creation of multiple physical servers to handle increased load
  • A method of securing data by disguising its location
  • Software simulating hardware functions for diverse operating systems (correct)

Which of these is NOT a type of cloud service?

  • Database as a Service (DaaS) (correct)
  • Infrastructure as a Service (IaaS)
  • Platform as a Service (PaaS)
  • Software as a Service (SaaS)

Which characteristic of cloud computing primarily supports IoT and smart devices?

<p>External data storage and processing (C)</p> Signup and view all the answers

What role do firewalls play in cloud computing security?

<p>Limit access to networks for unauthorized users (A)</p> Signup and view all the answers

Why might some industries prefer in-house data management over cloud solutions?

<p>To adhere to strict security regulations (C)</p> Signup and view all the answers

What distinguishes Software as a Service (SaaS) from other cloud service types?

<p>It delivers applications over the internet without local installation. (C)</p> Signup and view all the answers

What is a primary advantage of pooling resources in a cloud infrastructure?

<p>Lowers costs through economies of scale (C)</p> Signup and view all the answers

Study Notes

Introduction to Cloud Computing

  • Cloud computing uses third-party servers to store data.
  • It eliminates the need for expensive hardware and database management.

Historical Context

Mainframes and Thin Clients

  • Mainframes were large, centralized computers handling all processing tasks.
  • Thin clients were simple terminals used to interact with mainframes.

Client-Server Era

  • Tasks were shared between individual computers and servers.
  • Users could perform basic tasks locally but relied on servers for specific operations, like class registration.

Cloud Computing Advantages

  • Data storage and processing are handled externally.
  • Enables the Internet of Things (IoT) and smart devices.
  • Allows access to data from anywhere with an internet connection.

Key Concepts in Cloud Computing

Definitions

  • Cloud Computing: Applications and services running on a distributed network using virtual resources.
  • Distributed Network: Multiple users can access and share data.
  • Virtualization: Software simulates hardware functions, allowing multiple operating systems on a single machine.

Elastic Leasing

  • Elastic: Resources can be dynamically adjusted based on demand to avoid over- or under-provisioning.
  • Pooled Resources: Sharing server space reduces costs through economies of scale.

Security in Cloud Computing

  • Encryption: Protects communication by encoding messages for authorized users only.
  • Firewalls: Limit network access, acting as barriers to unauthorized users.
  • Virtual Private Networks (VPNs): Create secure, private connections over public networks, often used for accessing sensitive data remotely.

Types of Cloud Services

Infrastructure as a Service (IaaS)

  • Provides basic storage and computational resources with minimal additional features.

Platform as a Service (PaaS)

  • Offers a platform for developing, running, and managing applications without infrastructure management.

Software as a Service (SaaS)

  • Delivers software applications over the internet, eliminating local installation requirements.

Considerations for Cloud Usage

  • Security Concerns: Some industries require in-house data management for security compliance.
  • Cost and Scalability: Cloud services offer cost-effective and scalable solutions for businesses.

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Related Documents

Chapter 6 ISM.pdf

Description

Test your understanding of cloud computing concepts, including its historical context and advantages. This quiz covers the evolution from mainframes to the client-server model and the benefits of cloud technology. Assess your knowledge of key definitions related to cloud computing.

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