CompTIA A+ 4.1 Core 1 - Cloud Models

A+ OBJECTIVE 4.1 VIRTUALIZATION AND CLOUD COMPUTING – CLOUD MODELS

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In which cloud deployment model does the provider offer applications over the internet and manages and maintains the underlying infrastructure?

Infrastructure as a Service (IaaS)

Software as a Service (SaaS)

Platform as a Service (PaaS)

Public cloud

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What is a hybrid cloud?

A combination of private and public cloud

Shared by multiple organizations

Intended for external sharing

A cloud infrastructure exclusively used by one organization

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What type of cloud does Salesforce offer through Platform as a Service (PaaS)?

Public cloud

Hybrid cloud

Private cloud

Community cloud

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Which cloud deployment model requires the end user to manage and configure the operating system, applications, and data?

Platform as a Service (PaaS)

Infrastructure as a Service (IaaS)

Software as a Service (SaaS)

Private cloud

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What is the flexibility provided by the cloud in terms of data center locations?

Applications cannot be moved between data centers

Applications can be moved between data centers to follow user demand

Data centers must be located in the same region

Data centers are not accessible to users worldwide

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What is the main characteristic of an on-premises model?

The client provides the application and data

The client manages everything in the model

The provider provides networking, storage, and server

A portion of the model is managed by the provider

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What is the role of the service provider in platform as a service?

Managing all aspects of the client's applications

Providing networking, storage, and server

Writing and deploying applications on their own systems

Providing everything needed to build applications

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In infrastructure as a service, what is the responsibility of the client?

Writing and deploying the application on their own systems

Installing the operating system, middleware, runtime data, and application

Providing the operating system and networking

Providing the networking, storage, and server

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What is the main characteristic of a public cloud?

A combination of private and public cloud

Shared by multiple organizations

Intended for external sharing

Exclusively used by one organization

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What does Platform as a Service (PaaS) provide?

A platform for developing, deploying, and managing applications over the internet

Applications over the internet

Virtualized computing resources over the internet

Exclusively used by one organization

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In what way does the cloud allow for efficient deployment of applications?

By restricting access to the application based on location

By requiring purchase of own equipment for deployment

By limiting deployment to a single data center location

By allowing deployment to multiple data center locations worldwide

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What does a private cloud refer to?

A cloud infrastructure intended for external sharing

A combination of private and public cloud

A cloud infrastructure shared by multiple organizations

A cloud infrastructure exclusively used by one organization

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What does the cloud provider manage in software as a service?

Building and deploying applications on their own systems

Middleware, runtime data, and data

Client's applications and data

Operating system, networking, and application deployment

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What is a key benefit of deploying new application instances in the cloud?

Inability to scale resources for busy applications

Limited access to the application worldwide

Easy removal of any excess instances

High cost of deploying applications

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What is one common misconception about the concept of the cloud?

The cloud can only be accessed from a specific location

The cloud only involves computing devices located on site

The cloud is limited to a single data center

The cloud does not involve deployment of new applications

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CompTIA A+ 4.1 Core 1 – Cloud Models