Cloud Computing MCQ Questions & Answers

Q 1. The term ‘Cloud’ in cloud-computing refers to . . . . . . . .

A. The Internet

B. Cumulus Clouds

C. A Computer

D. Thin Clients

Show Answer

Answer:-A. The Internet

Explanation

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.

Q 2. The cloud media services are:

A. cloud gaming

B. experiencing multi- screens

C. image processing

D. all of the above

Show Answer

Answer:-D. all of the above

Explanation

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.

Q 3. Virtual Machines (VMs) are offered in cloud by

A. SaaS

B. PaaS

C. IaaS

D. None of these

Show Answer

Answer:-C. IaaS

Explanation

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.

Q 4. “Cloud” in cloud computing represents what?

A. Wireless

B. Hard drives

C. People

D. Internet

Show Answer

Answer:-D. Internet

Explanation

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.

Q 5. Which are the three conceptual layers in CometCloud?

A. development, application, physical

B. infrastructure, dynamic, static

C. transport, network, programming

D. programming, service, infrastructure

Show Answer

Answer:-D. programming, service, infrastructure

Explanation

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.

Q 6. Which of these is not a major type of cloud computing usage?

A. Hardware as a Service

B. Platform as a Service

C. Software as a Service

D. Infrastructure as a Service

Show Answer

Answer:-A. Hardware as a Service

Explanation

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.

Q 7. Cloud Service consists of

A. Platform, Software, Infrastructure

B. Software, Hardware, Infrastructure

C. Platform, Hardware, Infrastructure

D. None of these

Show Answer

Answer:-A. Platform, Software, Infrastructure

Explanation

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.

Q 8. What widely used service is built on cloud-computing technology?

A. twitter

B. skype

C. gmail

D. all of the above

Show Answer

Answer:-D. all of the above

Explanation

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.

Q 9. The BEST way to define Virtualization in cloud computing is

A. virtualization enables simulating compute, network, and storage service platforms from the underlying virtual hardware

B. virtualization enables abstracting compute, network, and storage service platforms from the underlying physical hardware

C. virtualization enables realization of compute, network, and storage service platforms from the underlying virtual hardware

D. virtualization enables emulating compute, network, and storage service platforms from the underlying virtual hardware

Show Answer

Answer:-B. virtualization enables abstracting compute, network, and storage service platforms from the underlying physical hardware

Explanation

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.

Q 10. Amazon’s Elastic Compute Cloud (EC2) is a well known . . . . . . . .

A. Cloud Storage

B. Virtual machine

C. PaaS

D. SoA

Show Answer

Answer:-B. Virtual machine

Explanation

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.

Q 11. What is private cloud?

A. A standard cloud service offered via the Internet

B. A cloud service inaccessible to anyone but the cultural elite

C. A cloud architecture maintained within an enterprise data centre .

D. None of these

Show Answer

Answer:-C. A cloud architecture maintained within an enterprise data center.

Explanation

In the context of cloud computing, a private cloud is defined as Option B: A cloud architecture maintained within an enterprise data centre. Let’s delve into the explanation: Option A: A standard cloud service offered via the Internet refers to public cloud services. In a public cloud, resources are shared among multiple users over the internet. This doesn’t fit the description of a private cloud. Option C: A cloud service inaccessible to anyone but the cultural elite is a humorous interpretation but not relevant to the technical definition of a private cloud. Option D: None of these is incorrect in this context. The correct answer is Option B: A cloud architecture maintained within an enterprise data center. Private cloud involves creating a cloud-like environment using virtualization and cloud technologies within an organization’s own data center. It offers the benefits of cloud computing, such as scalability and resource optimization, while maintaining control and security over the infrastructure. Private clouds are used when organizations need to have strict control over their data, comply with regulations, or have specialized requirements that cannot be met by public cloud offerings. So, the answer is Option B: A cloud architecture maintained within an enterprise data center., accurately representing the concept of a private cloud in cloud computing.

Q 12. Which of the following is Cloud Platform by Amazon?

A. Azure

B. AWS

C. Cloudera

D. All of the mentioned

Show Answer

Answer:-B. AWS

Explanation

Among the options presented, the Cloud Platform offered by Amazon is represented by Option B: AWS. Let’s explore this further: Option A: Azure is a cloud computing platform provided by Microsoft, not Amazon. Option C: Cloudera is a company that offers services related to big data and analytics, not a direct cloud platform provided by Amazon. Option D: All of the mentioned is incorrect in this context. While Azure and Cloudera are mentioned, they don’t apply to Amazon’s cloud platform. Option B: AWS is the acronym for Amazon Web Services. It is Amazon’s comprehensive and widely used cloud computing platform that provides a wide range of cloud services, including computing power, storage, databases, analytics, networking, and more. AWS is one of the most prominent cloud platforms in the industry, offering scalable and flexible solutions to individuals, businesses, and organizations. So, the correct answer is Option B: AWS, as it correctly represents the Cloud Platform provided by Amazon.

Q 13. Docker is generally configured to use TCP port . . . . . . . . while managing encrypted traffic.

A. 3306

B. 53378

C. 2375

D. 2376

Show Answer

Answer:-D. 2376

Explanation

In the context of cloud computing, Docker is configured to use TCP port 2376 when managing encrypted traffic. Let’s delve into the explanation: Option A: 3306 is typically used for MySQL database connections, not for Docker’s encrypted traffic management. Option B: 53378 is not a standard port used by Docker for encrypted traffic management. Option C: 2375 is the default TCP port used by Docker for unencrypted traffic management, not encrypted traffic. Option D: 2376 is the correct answer. Docker uses TCP port 2376 for encrypted communication using the Transport Layer Security (TLS) protocol. This port is used to secure Docker’s remote communication, ensuring that data exchanged between Docker clients and the Docker daemon is encrypted for enhanced security. Therefore, the correct answer is Option D: 2376, as it accurately represents the TCP port used by Docker for managing encrypted traffic.

Q 14. To overcome the lag in the operating speeds of the I/O device and the processor we use . . . . . . . .

A. exceptions

B. status flags

C. interrupt signals

D. buffer spaces

Show Answer

Answer:-D. buffer spaces

Explanation

In the context of cloud computing, to address the difference in operating speeds between the I/O device and the processor, we utilize buffer spaces. Let’s explore the explanation: Option B: status flags are indicators used to track the status or conditions of various components or processes. While they are useful, they don’t directly address the speed difference between I/O devices and processors. Option C: interrupt signals are used to interrupt the normal execution of a program in response to a hardware or software event. They are essential for handling events like I/O operations, but they don’t specifically tackle the lag in operating speeds. Option D: exceptions are events that occur during program execution, usually indicating an error condition. While exceptions are important, they don’t directly pertain to overcoming the speed discrepancy between I/O devices and processors. Option A: buffer spaces is the correct answer. Buffer spaces are temporary storage areas that hold data being transferred between the I/O device and the processor. These buffers help to mitigate the difference in operating speeds by allowing the processor to access data from the buffer at its own pace, reducing the impact of the slower I/O operations. Buffers enhance the efficiency of data transfer and processing, improving overall system performance. Therefore, the correct answer is Option A: buffer spaces, as it directly addresses the mechanism used to overcome the lag in operating speeds between I/O devices and the processor.

Q 15. What is the typical range of transmission distance in a ZigBee network?

A. 5 m.

B. 50 m.

C. 500 m.

D. 5 km

Show Answer

Answer:-C. 500 m.

Explanation

In the context of ZigBee networks, the typical range of transmission distance is around Option C: 500 meters. Let’s explore the explanation: Option A: 5 m (5 meters) is quite short for a typical ZigBee network. ZigBee networks are designed for longer range communication. Option B: 50 m (50 meters) is also relatively short for a ZigBee network’s typical range. ZigBee networks are intended to cover longer distances. Option C: 500 m (500 meters) is the correct answer. ZigBee networks are known for their ability to transmit data over relatively short distances of up to 500 meters. This makes them suitable for applications like home automation, industrial control, and sensor networks where devices are often placed within a few hundred meters of each other. Option D: 5 km (5 kilometers) is a bit too long for a typical ZigBee network’s range. ZigBee is optimized for shorter-range communication with lower power consumption. Therefore, the correct answer is Option C: 500 m, reflecting the usual transmission distance range in a ZigBee network.

Q 16. Which of the following is not a cloud stakeholder?

A. cloud providers

B. clients

C. Service providers

D. cloud users

Show Answer

Answer:-C. Service providers

Explanation

In the context of cloud computing, the primary stakeholders include Option A: Cloud providers, who offer various cloud services and resources, Option B: Clients, who use these services to meet their computing needs, and Option D: End users, who interact directly with the cloud applications and services. Option C: Service providers is not typically considered a primary stakeholder in cloud computing. While this term could potentially refer to entities that offer specialized services within the cloud environment, it’s not as common or essential as the other stakeholders mentioned. Therefore, the correct answer is Option C: Service providers, as it is the option that does not typically represent a primary stakeholder in traditional cloud computing contexts.

Q 17. automatically identifying a Web user’s location

A. voice portal

B. wimax

C. sensor network

D. geolocation

Show Answer

Answer:-D. geolocation

Explanation

Geolocation refers to the process of automatically identifying a Web user’s location. Let’s explore the explanation: Option A: voice portal is a technology that allows users to access information and services using spoken commands. It’s not directly related to identifying a user’s location. Option C: sensor network is a network of interconnected sensors that collect and transmit data. While sensor networks can be used for various purposes, they are not typically used for identifying a user’s location on the web. Option D: wimax stands for Worldwide Interoperability for Microwave Access, which is a technology used for wireless communication over long distances. It’s not specifically designed for identifying a user’s location. Option B: geolocation is the correct answer. Geolocation technologies utilize various methods such as IP addresses, GPS, Wi-Fi signals, and cell tower data to determine the physical location of a web user. This information can be used for various purposes, including personalized content delivery, location-based services, and targeted advertising. Therefore, the correct answer is Option B: geolocation, as it accurately represents the technology used for automatically identifying a web user’s location.

Q 18. Which of the following ACID property states that the system must go from one known state to another and that the system integrity must be maintained?

A. atomicity

B. isolation

C. consistency

D. durability

Show Answer

Answer:-C. consistency

Explanation

In the context of database management and the ACID properties, the property that states that the system must go from one known state to another and that the system integrity must be maintained is Option B: consistency. Let’s explore the explanation: Option A: atomicity refers to the property that ensures that all operations within a transaction are treated as a single unit, either all of them succeed or none of them are applied. It doesn’t specifically address maintaining system integrity between states. Option C: isolation refers to the property that ensures that the execution of transactions is isolated from the effects of concurrently executing transactions. It doesn’t specifically address the requirement of moving from one known state to another with maintained integrity. Option D: durability refers to the property that guarantees that once a transaction is committed, its effects are permanent, even in the presence of system failures. It doesn’t directly address the transition between known states. Option B: consistency is the correct answer. The consistency property ensures that a transaction takes the database from one valid state to another, maintaining the overall integrity of the system. This means that the database must satisfy certain integrity constraints before and after the transaction, ensuring data accuracy and reliability throughout the transition. Therefore, the correct answer is Option B: consistency, as it accurately represents the ACID property that enforces the requirement of moving from one known state to another while maintaining system integrity.

Q 19. The following flowchart is intended to evaluate in any cloud.

A. risk

B. errors

C. inconsistencies

D. none of the mentioned

Show Answer

Answer:-A. risk

Explanation

The provided flowchart is intended to evaluate Option A: risk in any cloud. Let’s explore the explanation: Option B: errors are issues or mistakes in a system or process that can lead to incorrect or unexpected outcomes. The flowchart might address identifying errors, but the provided flowchart specifically relates to evaluating risk. Option C: inconsistencies refer to situations where there are discrepancies or contradictions within a system or process. While evaluating inconsistencies could be part of a broader evaluation process, the provided flowchart appears to focus on assessing risk. Option D: none of the mentioned is incorrect in this context. The flowchart is indeed intended to evaluate something, and that something is risk. The correct answer is Option A: risk, as the flowchart is designed to evaluate risks in any cloud environment. It likely includes steps to identify potential risks, assess their impact and likelihood, and make informed decisions based on the risk evaluation. Therefore, the answer is Option A: risk, as it accurately represents the purpose of the provided flowchart in evaluating risks within a cloud context.

Q 20. A . . . . . . . . service provider gets the same benefits from a composable system that a user does.

A. CaaS

B. AaaS

C. PaaS

D. all of the mentioned

Show Answer

Answer:-C. PaaS

Explanation

A user of a composable system gets the same benefits as an Option B: AaaS (Anything as a Service) service provider. Let’s explore the explanation further: Option A: CaaS (Communication as a Service) typically refers to cloud-based communication services, such as voice or video communication tools. It is not directly related to composable systems or the benefits they offer. Option B: AaaS (Anything as a Service) is a general term that encompasses various cloud service models. In this context, it signifies that both users and service providers of a composable system reap the same advantages. Both parties benefit from the flexibility, scalability, and customization capabilities that a composable system offers. Option C: PaaS (Platform as a Service) refers to a cloud computing service that provides a platform for users to build, deploy, and manage applications. While composable systems could leverage PaaS, the option doesn’t directly relate to the concept that both users and service providers benefit equally from a composable system. Option D: All of the mentioned is incorrect in this context. While the other options don’t directly apply, the correct answer is Option B: AaaS, which accurately represents that both users and service providers of a composable system receive the same benefits. Therefore, the correct answer is Option B: AaaS, as it accurately reflects that both users and service providers enjoy similar advantages from a composable system.