Virtual Machine and Virtualization Quiz

What is the primary purpose of a virtual machine (VM)?

• To allow multiple operating systems to run on a single physical machine

• To provide a user-friendly graphical interface

• To manage network connections

• To increase disk storage capacity

Which of the following is NOT a type of virtual machine?

• System virtual machine

• Application virtual machine

• Process virtual machine

• Network virtual machine

What is a primary advantage of using virtualization in an operating system?

• It reduces the system's memory usage

• It provides higher network speed

• It improves system security and isolation

• It decreases the need for file management

Which virtualization technique uses a hypervisor to manage multiple virtual machines on a single physical machine?

• Full virtualization

• Bare-metal virtualization

• Para-virtualization

• Emulation

Which of the following is a component of virtualization in operating systems?

• CPU scheduling

• File compression

• Network structure

• Memory management

In a distributed system, which of the following describes a tightly coupled network-based operating system?

• Each node operates independently without a shared memory

• Nodes share memory and resources for high performance

• Each node has its own copy of the OS without any communication

• Nodes only communicate through a central server

What is the role of communication protocols in a distributed system?

• To create and delete files on a network

• To establish rules for data exchange between devices

• To allocate memory to processes

• To manage virtual machines

Which of the following is a common protocol used in network-based operating systems?

• HTTP

• SSD

• HDMI

• NTFS

What is the primary function of a hypervisor in virtualization?

• To manage hardware resources for virtual machines

• To create and delete files

• To provide network routing

• To enhance graphical processing