UNIT-II - BASICS OF VIRTUALIZATION

What is virtualization in cloud computing?

• Creating real versions of servers

• Creation of a virtual version of something

• Removing servers from infrastructure

• Adding more hardware

What allows a single resource to be shared among multiple users in virtualization?

• Encryption

• Replication

• Logical naming and pointers

• Load balancing

What is the machine where a virtual machine runs called?

• Guest machine

• Virtual interface

• Host machine

• Proxy server

What is the isolated system running on the host called?

• Cluster

• Guest machine

• Load balancer

• Node

Which is a characteristic of virtualization?

• Single access point

• Manual balancing

• Resource isolation

• Shared user sessions

What ensures minimal service disruption in virtualization?

• Manual patching

• Security bypass

• Automatic load balancing

• Restarting services

What is a hypervisor?

• A type of database

• Software that creates and runs virtual machines

• Antivirus tool

• Hardware switch

What does a virtual machine emulate?

• A web browser

• Physical computer system

• Print server

• DNS resolver

What can a virtual machine run that is different from the host?

• Hardware settings

• Hostname

• Operating system

• User credentials

What does a virtual machine have allocated to it?

• Shared memory only

• Dedicated virtualized resources

• External cache

• Split file systems