Web API Design Principles
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Questions and Answers

What is the main difference between virtualization and cloud computing?

  • Virtualization is only concerned with networking connectivity, while cloud computing is concerned with storage and networking connectivity.
  • Virtualization focuses on hardware abstraction, while cloud computing focuses on software abstraction.
  • Virtualization abstracts compute resources as virtual machines, while cloud computing determines how those virtualized resources are allocated, delivered, and presented. (correct)
  • Virtualization involves creating independent VMs, while cloud computing involves creating interconnected VMs.

What is the main benefit of a Hypervisor (bare-metal) architecture?

  • It focuses on managing pooled resources across the enterprise.
  • It provides a non-disruptive deployment of virtual infrastructure.
  • It allows for direct installation onto the hardware and can create independent VMs that are completely isolated from each other. (correct)
  • It allows for better leveraging of infrastructure investment.

What is a limitation of Hypervisor Virtualization?

  • Inability to create independent VMs that are isolated from each other.
  • Increased overhead of running a fully installed guest operating system. (correct)
  • Significant overhead from calls to hypervisor from the guest operating system can sometimes reduce application performance.
  • Inability to freely allocate resources to processes.

What does Virtualization Infrastructure provide?

<p>A layer of abstraction between computing (CPUs), storage, and networking hardware, and the application running on it. (A)</p> Signup and view all the answers

What are the benefits of Virtualization Architectures?

<p>Non-disruptive deployment of virtual infrastructure and better leveraging of infrastructure investment. (D)</p> Signup and view all the answers

What is the main concern regarding Cloud Computing?

<p>Security and privacy (B)</p> Signup and view all the answers

What does Virtualization do for different ICT resources?

<p>Virtualizes servers/CPUs, storage, and network (B)</p> Signup and view all the answers

What does Hosted Architecture involve in terms of hypervisors?

<p>The system first installs the host OS on the hardware, then installs Hosted Hypervisors or Type 2 hypervisors atop that OS. (A)</p> Signup and view all the answers

What is an advantage of Virtualization?

<p>Gives administrators the advantage of managed pooled resources across the enterprise. (D)</p> Signup and view all the answers

What does Cloud Computing determine?

<p>How virtualized resources are allocated, delivered, and presented. (A)</p> Signup and view all the answers

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