Virtualization and Cloud Computing Quiz

What is the primary function of virtualization?

• To increase hardware costs

• To create a virtual version of hardware, software, or networks

• To reduce system flexibility

• To run a single system on multiple physical machines

What is the host machine in a virtualized environment?

• The virtual machine running on the physical system

• The physical system that runs the virtual machines

• A software component that manages VMs

• A network device that connects VMs

Which of the following is a drawback of virtualization?

• Improved resource utilization

• Cost reduction

• High initial investment

• Enhanced flexibility

Which type of virtualization runs multiple virtual servers on a single physical machine?

• Application virtualization

• Network virtualization

• Server virtualization

• Desktop virtualization

What does the hypervisor do?

• It manages and creates virtual machines

• It runs directly on top of a guest OS

• It provides a single user interface for all applications

• It simulates an entire physical network

A Type 1 hypervisor runs:

• on top of an existing operating system

• directly on the hardware

• within a virtual machine

• only on specific network devices

Which type of virtualization is exemplified by VMware ESXi?

• Type 2 (Hosted)

• Type 1 (Bare-Metal)

• Application virtualization

• Desktop virtualization

What is the main purpose of virtualization in cloud computing?

• To require a dedicated physical server for each user

• To enable multiple users to share physical resources efficiently

• To increase infrastructure costs for users

• To prevent remote access

Which type of elasticity involves adding or removing multiple instances of resources?

• Vertical scaling

• Horizontal scaling

• Predictive scaling

• On-demand allocation

What is predictive scaling based on?

• Manual adjustments only

• Real-time demand

• Machine learning and historical data

• A fixed number of resources