Ch26 Virtualization Exam

Ch26 Virtualization Exam

1. Virtualization does not refer to:

   • using physical computing resources
   • running operating systems on virtual machines
   • executing programs in containers
   • running programs directly on computer hardware

2. a hypervisor allows:​​ (choose two)

   • virtual resources to be accessed by operating systems and application software
   • an operating system to be installed on virtual hardware
   • application software to run without an operating system
   • system calls to be directly executed by physical hardware

3. A bare-metal hypervisor runs directly on top of physical hardware True or False?

   • True
   • False

4. Hosted hypervisor systems require:

   • dedicated datacenter resources
   • a host operating system
   • expensive software licensing
   • more powerful computer hardware

5. Virtualization technology allows: (choose two)

   • computing resources to be available on-demand by clients
   • each system to only be installed and configured locally
   • only one operating system to run on each physical computer
   • greater efficiency through shared computing resources

6. Container technology allows system designers to bypass traditional operating systems.​ True or False?

   • True
   • False

7. Container systems do not require:

   • communication with other parts of the system
   • security and updating
   • a hypervisor
   • dependencies needed for their specific applications

8. some advantages of containerized application development are:

   (choose two)

   • cannot interfere with each others operation
   • robust developer community creating tools for administration
   • easy to control access to shared resources
   • decreased use of physical resources

9. Virtualization software comes in both paid and open source variants:

   True or False?

   • True
   • False

10. Which virtualization platform runs on top of Windows, Linux, and MacOS

    • VirtualBox
    • Docker
    • Hyper-V
    • VMware

11. Which open source project provides a container-centric management environment

    • VMware
    • Xen
    • Docker
    • Kubernetes

12. IaaS provides delivery of on-demand shared computing resources​ True or False?

    • True
    • False

13. Cloud computing does not encompass

    • Virtualization
    • Automated system deployment
    • Remote resource allocation
    • Local computing resources

14. Cloud orchestration technology projects include:

    (choose two)

    • Virtual Box
    • Apache Cloudstack
    • OpenStack
    • KVM

15. Each virtual machine requires a unique identity in order to communicate with the outside world. True or False?

    • True
    • False

16. Virtual machine images have all required settings enabled by default.​​ True or False?

    • True
    • False

17. Which utility can automate changes needed for a base virtual machine image?

    • minions
    • KVM
    • cloud-init
    • lscpu

18. These items always need to be changed for a virtual image to work:

    (choose two)

    • Administrator password
    • uuid
    • Database software
    • SSH host keys

19. CPU virtualization extensions are required for virtual machines to operate on a computer system.​ True or False?

    • True
    • False