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Mrac [35]
1 year ago
13

what component of virtualization controls all physical memory, and thus has the ability to make any unused memory pages in each

guest available for other virtual machines or the host computer?
Computers and Technology
1 answer:
svlad2 [7]1 year ago
6 0

Since the hypervisor, a component of virtualization, is in charge of managing all physical memory, it can make any memory pages left over in each guest virtual machine available to other virtual machines or the host computer.

<h3>What Exactly Is A Hypervisor?</h3>

A hypervisor is a class of computer software, firmware, or hardware that builds and manages virtual machines (also known as a virtual machine monitor, VMM, or virtualizer). A host machine is a computer on which a hypervisor is running one or more virtual machines, and a guest machine is a specific virtual machine. The hypervisor controls how the guest operating systems are executed and provides them with a virtual operating environment. The visitor often uses the native hardware to carry out instructions, unlike an emulator. The virtualized hardware resources may be shared by several instances of various operating systems. For instance, Linux, Windows, and macOS instances can all operate on a single real x86 computer. Contrastingly, with operating-system-level virtualization, each instance (often referred to as a container) only needs to share a single kernel, while the guest operating systems—such as various Linux distributions using the same kernel—can differ in user space.

To know more about Softwares, visit:

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C. user accounts

Explanation:

An access control can be defined as a security technique use for determining whether an individual has the minimum requirements or credentials to access or view resources on a computer by ensuring that they are who they claim to be.

Simply stated, access control is the process of verifying the identity of an individual or electronic device. Authentication work based on the principle (framework) of matching an incoming request from a user or electronic device to a set of uniquely defined credentials.

Basically, authentication and authorization is used in access control, to ensure a user is truly who he or she claims to be, as well as confirm that an electronic device is valid through the process of verification

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Generally, access control list are defined for specific user accounts and may either be an administrator, standard user or guest account.

In this scenario, Miriam a network administrator wants to give access rights to employees who are interested in accessing sensitive Information stored on a backup device. Thus, the option Miriam should use is user account.

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