Cloud Computing Services

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Questions and Answers

What is the primary function of a Cloud Services manager?

To access software over the internet

To provide a platform for software creation

To provide cloud infrastructure services

To manage the type of service accessed according to client requirements (correct)

What is SaaS an acronym for?

Software as a Service (correct)

Service Application Solution

Service as a Solution

Software Application Solution

What is a characteristic of SaaS applications?

They can only be accessed through a downloaded application

They require frequent hardware updates

Users are responsible for software updates

Updates are applied automatically (correct)

What is PaaS similar to?

SaaS Signup and view all the answers

What is a characteristic of PaaS?

It provides a platform for software creation Signup and view all the answers

What is IaaS responsible for managing?

Applications data, middleware, and runtime environments Signup and view all the answers

What is a benefit of using PaaS?

It supports multiple languages and frameworks Signup and view all the answers

What is an example of a PaaS?

Heroku Signup and view all the answers

What is a major advantage of cloud computing over traditional datacenter?

No need to wait to build a new datacenter for rapid expansion Signup and view all the answers

What was the concept that emerged before cloud computing?

Client/Server computing Signup and view all the answers

Who suggested that computing can be sold like a utility in 1961?

John MacCharty Signup and view all the answers

What was the significant event in 1999 that contributed to the development of cloud computing?

Salesforce.com started delivering applications over the Internet Signup and view all the answers

What was the main concept behind the idea of utility computing?

Computing can be sold like a utility, such as water or electricity Signup and view all the answers

What was the significance of 2002 in the history of cloud computing?

Amazon started Amazon Web Services Signup and view all the answers

What is a characteristic of distributed computing that contributed to the development of cloud computing?

Networked computers sharing resources when needed Signup and view all the answers

What is a key benefit of cloud computing over traditional IT infrastructure?

Rapid expansion and scalability without physical infrastructure Signup and view all the answers

What is the primary benefit of using a community cloud?

Cost-effectiveness due to shared resources among organizations Signup and view all the answers

What is a characteristic of a community cloud?

Owned, managed, and operated by one or more organizations in the community Signup and view all the answers

What is a disadvantage of using a community cloud?

Fixed amount of data storage and bandwidth is shared among all community members Signup and view all the answers

What is an example of a community cloud?

Health Care community cloud Signup and view all the answers

What is a multi-cloud scenario?

Using multiple public cloud providers Signup and view all the answers

What is the primary function of Azure Arc?

To manage a multi-cloud environment Signup and view all the answers

What is a benefit of using a community cloud compared to a public cloud?

Enhanced security features Signup and view all the answers

What is a characteristic of a community cloud environment?

Distributive environment Signup and view all the answers

Study Notes

Cloud Services

Cloud Services manages access to services according to client requirements
Cloud computing offers three types of services: Software as a Service (SaaS), Platform as a Service (PaaS), and Infrastructure as a Service (IaaS)

Software as a Service (SaaS)

Also known as cloud application services
Runs directly through web browsers, eliminating the need for downloads and installations
Characteristics:
- Managed from a central location
- Hosted on a remote server
- Accessible over the internet
- Users are not responsible for hardware and software updates
- Updates are applied automatically
- Purchased on a pay-as-per-use basis
Examples: BigCommerce, Google Apps, Salesforce, Dropbox, ZenDesk, Cisco WebEx, Slack, and GoToMeeting

Platform as a Service (PaaS)

Also known as cloud platform services
Provides a platform for software creation
Characteristics:
- Accessible to various users via the same development application
- Integrates with web services and databases
- Builds on virtualization technology for scalable resources
- Supports multiple languages and frameworks
- Provides an ability to "Auto-scale"
Examples: AWS Elastic Beanstalk, Windows Azure, Heroku, Force.com, Google App Engine, Apache Stratos, Magento Commerce Cloud, and OpenShift

Infrastructure as a Service (IaaS)

Also known as cloud infrastructure services
Manages applications data, middleware, and runtime environments
Owned, managed, and operated by one or more organizations in the community, a third party, or a combination of them
Example: Health Care community cloud

Community Cloud

Advantages:
- Cost-effective
- Suitable for organizations with collaborative cloud needs
- Provides better security than public cloud
- Offers collaborative and distributive environment
- Allows sharing of cloud resources, infrastructure, and capabilities among organizations
Disadvantages:
- Not suitable for every organization
- Security features not as good as private cloud
- Not suitable for non-collaborative environments
- Fixed amount of data storage and bandwidth is shared among community members

Cloud Models

Multi-cloud: uses multiple public cloud providers
Azure Arc: a set of technologies to manage cloud environments

History of Cloud Computing

Emerged from Client/Server computing and distributed computing
Idea of computing as a utility proposed by John MacCharty in 1961
Salesforce.com started delivering applications over the internet in 1999
Amazon started Amazon Web Services in 2002, providing storage, computation, and human intelligence services

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Description

Learn about the different types of cloud computing services, including Software as a Service (SaaS), and their characteristics. Test your knowledge of cloud application services and more!