01 - Introduction to Virtualization and VMs

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What is the main difference between containers and traditional simulators/emulators?

Traditional simulators/emulators encapsulate applications and their dependencies.

Traditional simulators/emulators share the host's kernel.

Containers provide an isolated environment for running applications. (correct)

Containers replicate an entire hardware system.

How do containers create a consistent environment for running applications?

By replicating the environment needed for applications. (correct)

By providing direct access to physical hardware.

By sharing the host's kernel.

By simulating at the hardware level.

In virtual machines (VMs), what type of access does the HVM layer provide to the OS?

Optimized access for Hypervisor API calls

Limited access to system VM processes

Shared access with the host OS

**Direct hardware access** (correct)

What is the main difference between simulation and emulation?

Simulation aims to replicate hardware or software, while emulation models behavior. Signup and view all the answers

What does containerization aim to achieve across multiple environments?

Ensuring consistency Signup and view all the answers

How would you describe a virtual machine (VM) in the context of simulation vs. emulation?

VMs are simulators as they model behavior rather than replicate hardware or software. Signup and view all the answers

What is the primary role of a hypervisor in a virtualized environment?

Manage and allocate resources Signup and view all the answers

In the context of virtualization, what does it typically involve?

Partitioning a physical machine into multiple virtual machines with their own operating systems. Signup and view all the answers

What is the key aspect that distinguishes emulation from simulation?

Emulation aims to replicate hardware or software, while simulation doesn't. Signup and view all the answers

Which process involves creating an abstract model of a system without replicating hardware or software?

Simulation Signup and view all the answers

When it comes to making one system behave like another, what process is being described?

Emulation Signup and view all the answers

What is a key feature of bare-metal hypervisors?

Hardware independence Signup and view all the answers

What is the main purpose of development environments within the context of VMs?

Building, testing, and refining applications Signup and view all the answers

What is a common use case for server consolidation using VMs?

Reducing hardware costs Signup and view all the answers

Which term refers to the process of combining multiple small physical servers into fewer, larger servers for cost efficiency?

Server consolidation Signup and view all the answers

What distinguishes bare-metal hypervisors from hosted hypervisors in terms of their host OS?

Bare-metal hypervisors require a separate guest OS for each VM Signup and view all the answers

Which feature allows capturing the state of a VM at a specific point in time?

Snapshotting Signup and view all the answers

01 - Introduction to Virtualization and VMs

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