MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

CLOUD COMPUTING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Define the role of virtualization in cloud computing?
A
It removes operating system inefficiencies
B
It improves the performance of web applications.
C
It optimizes the utilization of computing resources.
D
It adds extra load to the underlying physical infrastructure and has no role in cloud computing.
Explanation: 

Detailed explanation-1: -Virtualization in Cloud Computing facilitates the designing of virtual machines and ensures the smooth functioning of multiple operating systems. It also helps create a virtual ecosystem for server operating systems and multiple storage devices and runs various operating systems.

Detailed explanation-2: -When used correctly, virtualization provides a firm foundation for all cloud computing efforts. Your storage devices, network resources, operating systems, hardware platforms and other key computing features remain secure, and you can comfortably scale any cloud infrastructure as necessary.

Detailed explanation-3: -Essentially, Virtualization allows cloud providers to deliver users along with existing physical computer hardware. As a simple process, it enables cloud users to purchase only necessary computing resources when they actually need it, and to sustain those resources cost-effectively when the workload expands.

Detailed explanation-4: -Virtualization can enable one computer to do the work of multiple computers, utilizing up to 100% of the server’s available hardware to handle multiple workloads simultaneously. This reduces server counts, eases the strain on data center facilities, improves IT flexibility and lowers the cost of IT for the enterprise.

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