1212 Ch2.4-3.3: Purpose of Virtualization

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Questions and Answers

What is the primary function of virtualization?

To enhance the graphics capabilities of computers.

To create a software-based representation of physical components. (correct)

To improve network speeds through better cables.

To install additional hardware on a computer system.

What is a sandbox in the context of virtualization?

A type of application for games.

An isolated testing environment for software development. (correct)

A cloud storage solution for backups.

A virtual server that cannot be used for development.

Which of the following best describes a hypervisor?

A software layer that enables virtual machines to operate. (correct)

A type of hardware used for gaming.

A physical component of a server.

An interface for network administration.

What is cross-platform virtualization primarily used for?

To allow different operating systems to run the same applications. (B) Signup and view all the answers

What is a host machine in virtualization?

A physical server that supports virtual machines. (A) Signup and view all the answers

What function does a virtual machine primarily serve?

To simulate a physical computer for executing programs (A) Signup and view all the answers

What does a virtual hard disk (VHD) do?

Simulates a hard disk for the virtual machine (C) Signup and view all the answers

Which type of hypervisor runs directly on the physical hardware?

Type 1 Hypervisor (B) Signup and view all the answers

What effect does over-provisioning virtual machines have?

Decreases the efficacy of the physical host (A) Signup and view all the answers

What is the primary purpose of a virtual router (vRouter)?

To perform tasks similar to a physical router (A) Signup and view all the answers

Which statement is true regarding capacity considerations for virtual machines?

The number of VMs depends on the physical assets of the host (C) Signup and view all the answers

What is unique about a digital license for Windows installation?

It doesn't require entry of a product key during installation (A) Signup and view all the answers

What is the minimum number of client systems required for KMS activation to take place?

25 or more client systems (B) Signup and view all the answers

How often do systems activated with KMS attempt to reactivate?

Every 7 days (C) Signup and view all the answers

Which of the following operating systems can be activated using ADBA?

Windows 8.1 (A) Signup and view all the answers

What happens to a system activated through ADBA when it is removed from the domain?

It is deactivated immediately (D) Signup and view all the answers

Which activation method requires no minimum threshold for activation?

ADBA (B) Signup and view all the answers

What is the format of a product key for Windows?

xxxxx-xxxxx-xxxxx-xxxxx-xxxxx (D) Signup and view all the answers

Which scenario would NOT require system reactivation?

Connecting to the internet after signing in (C) Signup and view all the answers

What method is NOT used in large environments for Windows activation?

Product Activation Key (PAK) (C) Signup and view all the answers

When does a digital license apply to Windows?

When upgrading from a genuine previous version (B) Signup and view all the answers

What does a major change to the hardware, like a new motherboard, require?

Reactivation of the system (A) Signup and view all the answers

Which of the following is a way to use a product key for Windows?

Have a Volume Licensing Agreement for Windows (D) Signup and view all the answers

What happens when you sign into a computer using a Microsoft account and connect to the internet?

The computer is activated (B) Signup and view all the answers

Which of the following is NOT a way to obtain a digital license?

Purchase from an authorized retailer (A) Signup and view all the answers

Study Notes

Purpose of Virtualization

Virtualization creates a software-based representation of hardware components or entire systems, allowing multiple operating systems to run on a single physical machine.
Virtual Machines (VMs) are essential for executing applications and can be hosted on physical servers or personal computers.

Sandbox Virtualization

Sandbox virtualization creates isolated environments for testing, allowing developers to work without affecting production systems.
It provides a secure space for software development, installation, and upgrades.

Application Virtualization

Enables virtual installation and access to applications, reducing licensing costs and increasing accessibility for remote employees.
Simplifies application maintenance and installation processes.

Legacy Software Access

Virtualization provides access to outdated proprietary software, even if the user's system runs a newer OS.

Cross-Platform Virtualization

Allows applications designed for one operating system to be used on another, enhancing compatibility.

Hardware Optimization

Optimizes physical hardware usage by allowing multiple tasks to be processed simultaneously instead of idling.

Host Machine and Hypervisor

The host machine is a physical server that shares hardware resources like CPU, RAM, and storage with VMs, managed by a hypervisor.
Hypervisors (Type 1 and Type 2) facilitate interaction between VMs and hardware without passing through the host OS.

Virtual Machines and Virtual Hard Disks

VMs are software implementations of computers, operating independently with their allocated resources.
Virtual Hard Disk (VHD) files simulate hard drives for VMs, acting as storage.

Virtual Networking Components

vSwitches enable communication between VMs by filtering data packets, while vRouters carry out routing tasks within virtual environments.
Virtual firewall applications (VFAs) monitor and filter network traffic for security purposes.

Hypervisors

Hyper-V is Microsoft’s hypervisor, with two types:
- Type 1: Bare-metal hypervisors that run directly on hardware.
- Type 2: Hosted hypervisors that operate on an operating system.
Popular hypervisors include VMware Workstation and Oracle's VirtualBox.

Digital and Product Keys

Digital licenses activate Windows without requiring a product key, linked to a Microsoft account and hardware.
Product keys are necessary for activating versions bought from retailers and must be linked to the specific hardware.

Windows Activation Methods

Key Management Services (KMS): Requires a local KMS server for client activation, with a minimum of 25 or 5 servers.
Active Directory-based Activation (ADBA): Automatically activates Windows systems on a domain at startup, requiring no minimum threshold.
Multiple Activation Key (MAK): Activates systems one-time via Microsoft’s hosting and activates without ongoing communication.

Licensing Management Utility (slmgr)

Utilized for managing Windows activation:
- /ipk: Installs a product key.
- /ato: Activates Windows.
- /dli: Displays summary license information.
- /dlv: Shows detailed license information.
- /xpr: Displays license expiration date.

Adjust Start menu settings through Settings > Personalization > Start to show or hide recent, most used apps, or folders.
Taskbar options can be configured through Settings > Personalization > Taskbar, allowing quick access while minimizing clutter.

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Description

Explore the fundamental concepts of virtualization technology. This quiz covers the creation of virtual machines (VMs) and the process of sandbox virtualization. Test your understanding of how virtualization enables running multiple operating systems on a single physical machine.