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Cloud Computing Lecture 5 Quiz: Virtualization and Security

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Cloud Computing Lecture 5 Quiz: Virtualization and Security

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Questions and Answers

What is the primary focus in Grid Computing?

Anatomy of Cloud Infrastructure

Utilization of standard, open, general-purpose protocols and interfaces

Secure resource sharing in a dynamic environment (correct)

Virtualization and Cloud Security

What does Operating System virtualization allow the hardware of a system to do?

Improve physical security

Deliver nontrivial qualities of service

Coordinate resources that are subject to centralized control

Run multiple operating systems concurrently (correct)

According to Foster, what characterizes a Grid Computing environment in more detail?

Virtualization in Grid

Anatomy of Cloud Infrastructure

Delivery of nontrivial qualities of service; Usage of standard open, general-purpose protocols and interfaces; Coordination of resources not subject to centralized control (correct)

Physical security different from virtualized security

How is virtualized security different from physical security in the context of Cloud Computing?

It allows for fine-grained and highly controlled access to resources (A) Signup and view all the answers

What is an example of virtualization?

Operating System virtualizations allowing the hardware to run multiple operating systems concurrently (A) Signup and view all the answers

What is a key benefit of virtualization in the IT world?

Economical use of computing resources (B) Signup and view all the answers

How is grid computing different from virtualization?

Grid computing enables the creation of a single system image (C) Signup and view all the answers

What is an example of server virtualization in the IT world?

Running multiple Windows VM servers on different Intel boxes (B) Signup and view all the answers

What is a characteristic of virtualized security compared to traditional hardware-based security?

Cost-effectiveness in maintaining network security (C) Signup and view all the answers

Why does grid computing enable the creation of a single system image?

It virtualizes distributed computing resources (D) Signup and view all the answers