SLR 4 - Virtual Machines

What is a virtual machine (VM)?

• A type of operating system

• A network protocol

• A software process that emulates hardware

• A physical hardware device

Which of the following is NOT a role fulfilled by virtual machines?

• Increasing physical hardware speed

• Supporting incompatible software

• Creating a test system

• Running alternative operating systems

What allows a VM to run software as if it were accessing certain devices?

• Network protocols

• Physical hardware upgrades

• Emulation of hardware setups

• Direct hardware access

Which programming language uses a virtual machine to execute its code?

• Python

• JavaScript

• C++

• Java

What is one benefit of using a VM for creating a test system?

• It increases the speed of the host system

• It enhances network security

• It provides a controlled and isolated environment

• It reduces the need for software updates

How does a VM help in running older software on newer systems?

• By upgrading the older software

• By emulating an older system

• By using cloud computing

• By converting the software to a newer format

What is the role of a VM in running multiple servers?

• It reduces the need for network protocols

• It increases the physical space required

• It allows for separation of services without multiple hardware

• It combines multiple servers into one

What is the intermediate code in Java called?

• Java machine code

• JavaScript

• Java bytecode

• Java source code