1. The term 'Cloud' in cloud-computing refers to . . . . . . . .
Answer & Solution
Answer: Option A
Solution:
Picture the vast expanse of the digital realm, where data flows seamlessly like a boundless sky. This is what the term 'Cloud' signifies in the realm of cloud computing – a concept beautifully captured by Option A: The Internet.Just as cumulus clouds loftily float above us, the 'Cloud' in cloud computing hovers over our digital landscape. It symbolizes the Internet, a virtual conduit that empowers us to access an array of services. These services, ranging from storage to applications, are extended graciously over the Internet, liberating us from the constraints of local hardware.
Gone are the days when computing was tethered to a single computer. Today, the 'Cloud' heralds a paradigm shift, allowing us to harness the power of countless interconnected machines. So, while Option B: Cumulus Clouds and Option C: A Computer might hint at other vistas, they don't quite capture the essence of the 'Cloud' in the context of cloud computing.
And as for Option D: Thin Clients, well, they're interesting, but not quite the puffy, boundless 'Cloud' that revolutionizes how we perceive and utilize technology.
2. The cloud media services are:
Answer & Solution
Answer: Option D
Solution:
In the realm of cloud computing, Option D: all of the above
is the correct choice when it comes to cloud media services. Let's break it down:Option A:
cloud gaming
opens up a world where immersive gaming experiences are streamed over the Internet, sparing players the need for high-end local hardware. The cloud takes care of the heavy lifting, providing the processing power needed for sophisticated gaming.Option B:
experiencing multi-screens
refers to the capability of seamlessly shifting between devices while maintaining a consistent experience. The cloud facilitates this fluid transition, allowing users to start an activity on one device and continue on another with all data and context intact.Option C:
image processing
finds new horizons in the cloud. The immense computational prowess of cloud servers enables rapid and resource-intensive image processing tasks, making it an indispensable tool in various industries.Option D:
all of the above
ties these threads together. Cloud media services encompass gaming, multi-screen experiences, and resource-intensive tasks like image processing. The cloud provides the backbone for these services, delivering them over the Internet, reshaping how we interact with media and technology.So, when considering cloud media services, remember that the answer is Option D:
all of the above
, as it encapsulates the diverse ways the cloud transforms and enhances our engagement with digital media.
3. Virtual Machines (VMs) are offered in cloud by
Answer & Solution
Answer: Option C
Solution:
In the domain of cloud computing, the provision of Virtual Machines (VMs) finds its home in Option C: IaaS
– Infrastructure as a Service. Here's the breakdown:Option A:
SaaS
stands for Software as a Service, where fully-fledged applications are delivered over the Internet. This doesn't directly involve the provision of VMs.Option B:
PaaS
denotes Platform as a Service, offering a platform for developers to build, deploy, and manage applications. While it's one step closer, it doesn't directly provide VMs.Option C:
IaaS
shines here. Virtual Machines (VMs) are the building blocks of IaaS. They provide virtualized computing resources over the Internet, including virtualized hardware like CPUs, memory, storage, and networking components. Users can deploy, manage, and run their own operating systems and applications within these VMs, essentially offering the flexibility and control akin to physical machines without the need for physical hardware.Option D:
None of these
is incorrect in this context. VMs are indeed provided in the cloud, specifically under the umbrella of IaaS.So, when it comes to offering Virtual Machines (VMs) in the cloud, the answer is Option C:
IaaS
. This allows users to harness the power of virtualization and create their own computing environments within the cloud infrastructure.
4. "Cloud" in cloud computing represents what?
Answer & Solution
Answer: Option D
Solution:
In the realm of cloud computing, the term "Cloud" is emblematic of the Option D: Internet
itself. Let's delve into it:Option A:
Wireless
refers to the mode of connectivity that allows data transmission without physical cables. While wireless technologies are essential for cloud access, they don't encapsulate the full essence of the term "Cloud."Option B:
Hard drives
represent the physical storage devices that have been a cornerstone of computing for decades. However, the "Cloud" pertains to virtualized and distributed resources rather than specific hardware components.Option C:
People
might interact with cloud services, but the term "Cloud" doesn't directly represent individuals. Instead, it's an abstraction that symbolizes the underlying infrastructure.Option D:
Internet
is where the magic lies. The "Cloud" metaphorically stands for the vast, interconnected network of servers, databases, and services accessible over the Internet. Cloud computing involves delivering various resources and services over the Internet, allowing users to access and utilize them remotely without needing local infrastructure.So, in the context of "Cloud" in cloud computing, the answer is indeed Option D:
Internet
. This term encapsulates the notion of accessing and utilizing computing resources as if they were floating ubiquitously in the virtual skies of the Internet.
5. Which are the three conceptual layers in CometCloud?
Answer & Solution
Answer: Option D
Solution:
In the CometCloud architecture within the realm of cloud computing, the three key conceptual layers are represented by Option D: programming, service, infrastructure
. Let's delve into these layers:Option A:
development, application, physical
describes various stages but doesn't accurately capture the specific layers in the CometCloud architecture.Option B:
infrastructure, dynamic, static
doesn't correspond to the layers in CometCloud. While these terms are relevant to cloud computing, they don't align with the CometCloud conceptual layers.Option C:
transport, network, programming
doesn't directly map to the layers in the CometCloud architecture.Option D:
programming, service, infrastructure
hits the mark. Let's break it down:Programming: This layer involves the development of applications that utilize CometCloud services and resources.
Service: This layer focuses on providing various services to applications, managing their deployment, scaling, and interactions.
Infrastructure: This layer forms the foundation, encompassing the underlying hardware and resources on which the entire architecture is built.
Therefore, in the context of the CometCloud architecture, Option D:
programming, service, infrastructure
is indeed the correct answer. It encapsulates the layers that define how applications are developed, interact with services, and leverage the underlying infrastructure within the CometCloud framework.
6. Which of these is not a major type of cloud computing usage?
Answer & Solution
Answer: Option A
Solution:
In the realm of cloud computing, the type that doesn't fit among the major cloud computing usages is Option A: Hardware as a Service
. Let's explore further:Option B:
Platform as a Service
provides a platform to developers, offering tools and services to build, deploy, and manage applications. This abstracts the underlying infrastructure, making it easier for developers to focus on coding rather than managing servers.Option C:
Software as a Service
delivers software applications over the internet on a subscription basis. Users access these applications via web browsers without needing to worry about installation, maintenance, or underlying infrastructure.Option D:
Infrastructure as a Service
offers virtualized computing resources over the internet, including virtual machines, storage, and networking. Users have control over these resources without needing to manage physical hardware.Option A:
Hardware as a Service
doesn't fit as a major type of cloud computing usage. While infrastructure is provided, cloud computing generally focuses on higher levels of abstraction, such as platforms and software, to maximize flexibility and ease of use for users.So, among the options, the answer is Option A:
Hardware as a Service
, as it doesn't align with the typical layers of cloud computing services.
7. Cloud Service consists of
Answer & Solution
Answer: Option A
Solution:
In the realm of cloud computing, a Cloud Service encompasses Option A: Platform, Software, Infrastructure
. Let's break down each component:Option B:
Software, Hardware, Infrastructure
doesn't quite align with the composition of a typical cloud service. While software and hardware are integral parts, the inclusion of "Hardware" as a standalone element is not as common in the classification of cloud services.Option C:
Platform, Hardware, Infrastructure
also includes "Hardware" separately, which isn't a typical categorization in cloud services.Option A:
Platform, Software, Infrastructure
accurately captures the layers of a cloud service:Platform: This layer provides a platform for developers to build, deploy, and manage applications.
Software: This layer includes software applications that users can access and use over the internet.
Infrastructure: This layer involves the foundational components, such as virtual machines, storage, and networking, that support the entire cloud service ecosystem.
Option D:
None of these
is incorrect in this context. The correct answer is indeed Option A: Platform, Software, Infrastructure
, which accurately reflects the composition of a cloud service.
8. What widely used service is built on cloud-computing technology?
Answer & Solution
Answer: Option D
Solution:
Among the options presented, Option D: all of the above
correctly indicates that Twitter, Skype, and Gmail are widely used services that are built on cloud-computing technology. Let's delve into it:Option A:
twitter
is a microblogging platform that allows users to send and receive short messages. It relies on cloud-computing technology for its infrastructure and scalability, enabling it to handle a massive volume of tweets and user interactions.Option B:
skype
is a communication platform that provides voice and video calling, as well as messaging services. It leverages cloud computing to facilitate seamless communication between users across different devices and locations.Option C:
gmail
is Google's email service that provides users with a cloud-based platform to send, receive, and manage emails. It offers large storage capacity and accessibility from various devices due to its cloud infrastructure.Option D:
all of the above
hits the mark. Each of these services is built on cloud-computing technology. Cloud computing enables these platforms to deliver their services efficiently, scale to meet user demand, and provide accessibility across a wide range of devices.Therefore, the answer is Option D:
all of the above
, as Twitter, Skype, and Gmail all exemplify the transformative impact of cloud-computing technology on various aspects of our digital lives.
9. The BEST way to define Virtualization in cloud computing is
Answer & Solution
Answer: Option B
Solution:
In the realm of cloud computing, the most accurate way to define Virtualization is represented by Option B: virtualization enables abstracting compute, network, and storage service platforms from the underlying physical hardware
. Let's break down the definition:Option A:
virtualization enables simulating compute, network, and storage service platforms from the underlying virtual hardware
has the concept correct, but the terminology is not quite aligned with the common understanding of virtualization. Virtualization doesn't necessarily "simulate" but rather "abstracts" the service platforms.Option C:
virtualization enables realization of compute, network, and storage service platforms from the underlying virtual hardware
uses the term "realization," which doesn't precisely capture the abstraction that virtualization achieves.Option D:
virtualization enables emulating compute, network, and storage service platforms from the underlying virtual hardware
uses "emulating," which might be interpreted as imitating rather than abstracting.Option B:
virtualization enables abstracting compute, network, and storage service platforms from the underlying physical hardware
encapsulates the essence of virtualization. It involves creating virtual instances of compute, network, and storage resources that appear and function as if they were separate from the underlying physical hardware. This abstraction allows for improved resource utilization, flexibility, and isolation in cloud computing environments.Hence, the most accurate definition of Virtualization in the context of cloud computing is Option B:
virtualization enables abstracting compute, network, and storage service platforms from the underlying physical hardware
. This option captures the core concept and terminology of virtualization.
10. Amazon's Elastic Compute Cloud (EC2) is a well known . . . . . . . .
Answer & Solution
Answer: Option A
Solution:
In the realm of cloud computing, Amazon's Elastic Compute Cloud (EC2) is renowned as a significant Option A: Virtual machine
service. Let's explore this further:Option B:
Cloud Storage
doesn't accurately represent Amazon EC2. While cloud storage is essential, EC2 primarily focuses on providing virtualized computing resources.Option C:
PaaS
stands for Platform as a Service, which is a different category of cloud service. Amazon EC2 is specifically known for offering virtual machines (VMs), which are part of the Infrastructure as a Service (IaaS) model, not PaaS.Option D:
SoA
could stand for Service-Oriented Architecture, but it's not directly related to Amazon EC2's offering.Option A:
Virtual machine
is the correct choice. Amazon EC2 enables users to create and manage virtual machines in the cloud. These virtual machines can be customized with different operating systems, applications, and configurations to suit various computing needs.So, the correct answer is Option A:
Virtual machine
, as Amazon EC2 is a prominent service for provisioning and managing virtual machines in the cloud.
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