CLI Topic 3 - Virtual Machines (VMs)

What are Virtual Machines (VMs)?

• Virtual Machines are software-based emulations of physical computers that run operating systems and applications Simultaneously.

• Virtual Machines are Physical-based emulations of physical computers that run operating systems and applications independently.

• Virtual Machines are software-based emulations of physical computers that run operating systems and applications independently.

• Virtual Machines are software-based emulations of physical computers that run operating systems and Software independently.

There are 2 types of system VM, there are

• Hypervisor-Based Virtual Machines & Cloud-Based Virtual Machines

• Type 1 (Bare-Metal Hypervisors): & Type 2 (Hosted Hypervisors):

• System Virtual Machines

  & Process Virtual Machines

What are the two types of VMs?

• Hypervisor-Based Virtual Machines & Cloud-Based Virtual Machines

• System Virtual Machines

  & Process Virtual Machines

• Type 1 (Bare-Metal Hypervisors): & Type 2 (Hosted Hypervisors)

Give one example of Cloud-based virtual Machines (VMs)

• Bare-Metal Hypervisors

• VMware Workstation

• Amazon EC2

• host hardware

VirtualBox is a ?

• free, open-source, Type 2 hypervisor for creating and managing virtual machines.

• a free, open-source, Type 1 hypervisor for creating and managing virtual machines.

• a free, open-source, Type 2 hypervisor for creating and managing vertical software

• a pay, close-source, Type 2 hypervisor for creating and managing virtual machines.

Which of the following is "not" the key features of Virtual Box?

• Cross-platform support

• Support for multiple guest operating systems

• Snapshot and cloning capabilities.

• Single-platform support

Amazon VPC (Virtual Private Cloud) allow?

• Distributes traffic across multiple instances.

• Secure networking for EC2 instances.

• Provides centralized backup management for EC2 and other services.

• Automatically adjusts the number of instances.

Elastic Load Balancer (ELB) provide?

• Provides centralized backup management for EC2 and other services.

• Automatically adjusts the number of instances.

• Distributes traffic across multiple instances.

• Secure networking for EC2 instances.