Virtualization Quiz

What is virtualization?

• The ability to run multiple operating systems on a single physical system and share the underlying hardware resources.

• The process of creating a physical copy of a computer.

• The method of increasing the physical size of a computer.

• The technique of reducing the number of computers in a network.

What is a Virtual Machine (VM)?

• A) A physical computer

• B) An isolated runtime environment (guest OS and applications)

• C) A type of software application

• D) A network protocol

What is a hypervisor also known as?

• Virtual machine manager

• Operating system manager

• Hardware manager

• Network manager

What does a hypervisor allow multiple operating systems to do?

• Share a single hardware host

• Share a single software application

• Share a single network connection

• Share a single user interface

What does the hypervisor ensure about the guest operating systems?

• They cannot disrupt each other

• They cannot share resources

• They cannot communicate with each other

• They cannot access the internet

How do virtual machines achieve isolation?

• By sharing resources

• By being physically separated

• By encapsulating a complete computing environment

• By running independently of underlying hardware

What is the benefit of virtualization that allows virtual machines to be migrated between different hosts?

• Isolation

• Portability

• Encapsulation

• Sharing of resources

What is one of the benefits of cloud computing mentioned in the text?

• You need to own the hardware

• Resources are rented as needed from a cloud

• You get billed for unused resources

• You cannot choose the OS and software

How quickly can you instantiate more virtual servers or shut down existing ones in cloud computing?

• Within hours

• Within days

• Within minutes

• Within weeks

How are you billed in cloud computing according to the text?

• You get billed for the entire hardware

• You get billed for unused resources

• You get billed only for what you used

• You get billed monthly regardless of usage