Question 1

________ was/were first introduced in the late 1970s and early 1980s.
A)Cloud computing
B)LANs
C)Stand-alone mainframes
D)Stand-alone PCs

Accepted Answer

Stand-alone PCs (Personal Computers) were first introduced in the late 1970s and early 1980s.

Question 2

When IT was first introduced into the business environment,organizations initially used ____________.
A)Cloud computing
B)LANs
C)stand-alone mainframes
D)stand-alone PCs

Accepted Answer

When IT was first introduced into the business environment, organizations initially used stand-alone mainframes. This was before the widespread use of personal computers and networking technologies. The mainframes were used for large-scale data processing and storage. PCs and LANs came later as technologies became more affordable and decentralized computing became more feasible. Cloud computing is a more recent development in IT.

Question 3

Which of the following cloud computing characteristics allows organizations to share resources?
A)Encompasses the characteristics of grid computing
B)Encompasses the characteristics of utility computing
C)Providing on-demand self-service
D)Virtualization

Accepted Answer

A

Question 4

Remote job entry was enabled by converting from _______.
A)enterprise computing to cloud computing
B)mainframe and dumb terminals to LANs
C)stand-alone mainframes to mainframe and dumb terminals
D)stand-alone PCs to enterprise computing

Accepted Answer

Remote job entry was enabled by the transition from stand-alone mainframes to a configuration involving mainframes and dumb terminals. This setup allowed users to submit jobs to the mainframe from remote terminals, which was a significant step in the evolution of computing towards more interconnected and networked systems.

Question 5

Stand-alone PCs were first introduced in the ________.
A)1930s
B)1950s
C)1970s
D)1990s

Accepted Answer

The first stand-alone personal computers (PCs) were introduced in the 1970s, with the Altair 8800 being one of the first significant models. While early computers existed before this time, they were often large and prohibitively expensive, and were not considered "personal" computers in the way we think of them today.

Question 6

Which of the following cloud computing characteristics represents the organization's ability to access its computing resources using any device?
A)Encompasses the characteristics of utility computing
B)Scalability
C)Uses broad network access
D)Virtualization

Accepted Answer

Broad network access is the cloud computing characteristic that allows an organization to access its resources using any device as long as it has an internet connection. Utility computing refers to the ability to pay only for what is used, scalability refers to the ability to easily increase or decrease resource capacity, and virtualization refers to the creation of virtual resources such as servers, storage, or networks.

Question 7

________ computing pools various hardware and software components to create a single IT environment with shared resources.
A)Chambered
B)Grid
C)Open
D)Utility

Accepted Answer

Grid computing is specifically designed to pool various hardware and software resources in order to create a single IT environment with shared resources, making it the best choice. Chambered computing and Open computing are not commonly used terms in the IT industry. Utility computing is a broader term that encompasses various models of computing, including grid computing.

Question 8

Which of the following cloud computing characteristics gives customers elasticity and flexibility because it allows customers to access needed computing resources automatically?
A)Encompasses the characteristics of grid computing
B)Providing on-demand self-service
C)Scalability
D)Virtualization

Accepted Answer

Providing on-demand self-service allows customers to access computing resources automatically and immediately, which gives them elasticity and flexibility. Encompassing the characteristics of grid computing, scalability, and virtualization are also important aspects of cloud computing, but they do not directly provide the described benefits.

Question 9

________ is the most recent evolution of the modern IT infrastructure.
A)Cloud computing
B)LANs
C)Stand-alone mainframes
D)Stand-alone PCs

Accepted Answer

Cloud computing is the most recent evolution of IT infrastructure, as it provides a flexible and scalable platform for storing, processing, and accessing data and applications over the internet. LANs, stand-alone mainframes, and stand-alone PCs are all older forms of IT infrastructure that have been replaced or are being phased out by cloud-based solutions.

Question 10

________ was/were NOT initially supported by firms' IT departments.
A)Enterprise computing
B)LANs
C)Stand-alone mainframes
D)Stand-alone PCs

Accepted Answer

Stand-alone PCs were initially not supported by firms' IT departments.

Question 11

Which of the following cloud computing characteristics represents the "pay-as-you-go" concept?
A)Encompasses the characteristics of grid computing
B)Encompasses the characteristics of utility computing
C)Providing on-demand self-service
D)Virtualization

Accepted Answer

The "pay-as-you-go" concept is a characteristic of utility computing, which allows users to access computing resources on a pay-per-use basis, similar to how utilities like electricity or water are billed.

Question 12

Which of the following cloud computing characteristics allows organizations to use a single physical server for multiple purposes?
A)Encompasses the characteristics of utility computing
B)Providing on-demand self-service
C)Scalability
D)Virtualization

Accepted Answer

Virtualization allows organizations to use a single physical server for multiple purposes by creating multiple virtual machines on it.

Question 13

Which of the following cloud computing characteristics allows a dynamic assignment of computing resources based on customer demand?
A)Encompasses the characteristics of grid computing
B)Pools computing resources
C)Providing on-demand self-service
D)Virtualization

Accepted Answer

The characteristic that allows a dynamic assignment of computing resources based on customer demand is pooling computing resources. The other options are not directly related to this capability.

Question 14

Which of the following is the correct order of the evolution of the modern IT infrastructure?
A)Stand-alone mainframes,mainframe and dumb terminals,LANs,standalone PCs,cloud and mobile computing,enterprise computing
B)Stand-alone mainframes,mainframe and dumb terminals,LANs,standalone PCs,enterprise computing,cloud and mobile computing
C)Stand-alone mainframes,mainframe and dumb terminals,standalone PCs,LANs,cloud and mobile computing,enterprise computing
D)Stand-alone mainframes,mainframe and dumb terminals,standalone PCs,LANs,enterprise computing,cloud and mobile computing

Accepted Answer

The answer of Which of the following is the correct...

Question 15

________ computing allows service providers to make computing resources and infrastructure management available to customers as needed and then charges them for its specific usage rather than a flat rate.
A)Chambered
B)Grid
C)Open
D)Utility

Accepted Answer

Utility computing is a model where computing resources are provided as a metered service similar to a public utility, such as electricity or water. Customers only pay for what they use, rather than a flat rate, allowing for flexible and cost-effective usage of computing resources.

Question 16

Which of the following cloud computing characteristics addresses the business need to increase or decrease capacity when necessary (for example,retailers frequently need much more computational capacity on Black Friday)?
A)Providing on-demand self-service
B)Scalability
C)Uses broad network access
D)Virtualization

Accepted Answer

Scalability is the cloud computing characteristic that addresses the business need to increase or decrease capacity when necessary. It allows for the flexibility and agility needed to adjust resources based on changing demands or spikes in traffic. On-demand self-service refers to the ability for users to provision resources without involving human interaction, broad network access refers to accessibility from a variety of devices and locations, and virtualization refers to the creation of virtual resources in order to maximize efficiency and utilization.

Question 17

Enterprise computing was first introduced in the ________.
A)1970s
B)1980s
C)1990s
D)2000s

Accepted Answer

The answer of Enterprise computing was first introduced in the...

Question 18

________ allows organizations to connect employee computers and servers onto one network.
A)Cloud computing
B)LANs
C)Stand-alone mainframes
D)Stand-alone PCs

Accepted Answer

LANs (Local Area Networks) allow organizations to connect employee computers and servers onto one network. Cloud computing is a service that allows users to access data and applications over the internet, stand-alone mainframes are large, powerful computers that are not commonly used in modern organizations, and stand-alone PCs are individual computers that are not part of a network.

Question 19

________ computing makes scalability easy.
A)Chambered
B)Grid
C)Open
D)Proprietary

Accepted Answer

Grid computing is built on the principle of scalability, in which a group of computers work together as a single, integrated system to solve large-scale computing problems. This makes it easy to scale up or down as needed, making it an ideal option for businesses with fluctuating computing needs.

Question 20

________ computing allows service providers to make computing resources and infrastructure management available to customers as needed and then charges a ________ rate.
A)Grid; fixed
B)Grid; variable
C)Utility; fixed
D)Utility; variable

Accepted Answer

Utility computing is based on the concept of charging customers for usage just like traditional utility services, such as electricity or water. The rate charged is variable and depends on the amount of resources used. Grid computing, on the other hand, is a type of distributed computing that enables resource sharing and collaboration across multiple devices and platforms, but it does not necessarily involve charging customers for usage. Therefore, the correct choice is D, utility computing with variable rates.

Quiz 15: TG 3. Cloud Computing

________ was/were first introduced in the late 1970s and early 1980s.

When IT was first introduced into the business environment,organizations initially used ____________.

Which of the following cloud computing characteristics allows organizations to share resources?

Remote job entry was enabled by converting from _______.

Stand-alone PCs were first introduced in the ________.

Which of the following cloud computing characteristics represents the organization's ability to access its computing resources using any device?

________ computing pools various hardware and software components to create a single IT environment with shared resources.

Which of the following cloud computing characteristics gives customers elasticity and flexibility because it allows customers to access needed computing resources automatically?

________ is the most recent evolution of the modern IT infrastructure.

________ was/were NOT initially supported by firms' IT departments.

Which of the following cloud computing characteristics represents the "pay-as-you-go" concept?

Which of the following cloud computing characteristics allows organizations to use a single physical server for multiple purposes?

Which of the following cloud computing characteristics allows a dynamic assignment of computing resources based on customer demand?

Which of the following is the correct order of the evolution of the modern IT infrastructure?

________ computing allows service providers to make computing resources and infrastructure management available to customers as needed and then charges them for its specific usage rather than a flat rate.

Which of the following cloud computing characteristics addresses the business need to increase or decrease capacity when necessary (for example,retailers frequently need much more computational capacity on Black Friday) ?

Enterprise computing was first introduced in the ________.

________ allows organizations to connect employee computers and servers onto one network.

________ computing makes scalability easy.

computing allows service providers to make computing resources and infrastructure management available to customers as needed and then charges a rate.