29 Questions
When was the concept of utility computing first publicly proposed?
1961
Who was the chief scientist of the ARPANET project that mentioned the spread of 'computer utilities'?
Leonard Kleinrock
Which of the following is not an example of an Internet-based computer utility mentioned in the text?
Windows
When did the general public start leveraging Internet-based computer utilities?
Mid-1990s
Who famously mentioned that computing might someday be organized as a public utility?
John McCarthy
Which computer scientist mentioned computer networks were in their infancy but would likely develop into 'computer utilities'?
Leonard Kleinrock
What is the primary purpose of a cloud in IT environments?
To remotely provision scalable and measured IT resources
What is the term used to describe an IT resource that is hosted within an organizational boundary?
On-premise
What is an IT resource?
A physical or virtual IT-related artifact
What is the origin of the term 'cloud' in computing?
From the symbol used to represent the Internet in specifications and mainstream documentation of Web-based architectures
What is the primary characteristic of an IT resource in a cloud environment?
Scalable and measured
What is the difference between an on-premise IT resource and a cloud-based IT resource?
A cloud-based resource is remotely accessible, while an on-premise resource is not
What is the primary difference between horizontal and vertical scaling?
Horizontal scaling involves adding more resources, whereas vertical scaling involves replacing IT resources
What is the primary disadvantage of vertical scaling in cloud environments?
It requires downtime for replacement of resources
What is the term used to describe the replacement of an IT resource with another that has a higher capacity?
Scaling up
What is the broad term used to describe any IT resource that is made remotely accessible via a cloud?
Cloud service
What is the primary distinction between the term 'service' in cloud computing and other IT fields?
It is especially broad
What is the primary objective of cloud computing?
To offer IT resources as services that encapsulate other IT resources
What is the purpose of a Service Level Agreement (SLA)?
To express cloud service usage conditions and quality of service features
What is a cloud service consumer?
A software program that temporarily assumes a runtime role
What is the 'as-a-service' suffix often used to label?
Cloud service models
What does an SLA describe, among other things?
The QoS features, behaviors, and limitations of a cloud-based service
What is a cloud service, in general terms?
A simple Web-based software program or a remote access point
What is the main difference between an on-premise IT resource and a cloud-based IT resource?
Location where the IT resources are stored
How can an on-premise IT resource be converted into a cloud-based IT resource?
By moving the IT resource to the cloud
What does horizontal scaling refer to in terms of IT resources?
Allocating or releasing resources of the same type
Which party is referred to as the cloud provider?
Organization providing cloud-based resources
What does vertical scaling involve?
Scalability to handle increased or decreased usage demands
In what situation is scaling out necessary?
When increasing the number of resources with the same type
This quiz delves into the origins, basic concepts, goals, benefits, risks, and challenges of cloud computing based on the content from Chapter 1 of the book 'Understanding Cloud Computing' by Dawit Mekonnen. Topics include historical influences, terminology, and the evolution of cloud computing.
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