is451exam3quiz

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tttran1
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271451
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is451exam3quiz
Updated:
2014-04-22 02:51:16
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is451exam3quiz
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is451exam3quiz
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  1. How does hardware-assisted virtualization technology affect virtualization software, such as Vmware?
    It complements it for more efficiency
    It replaces it as a more efficient technology
    It doesn't allow virtualization software to be used
    Hw-assisted virtualization technology doesn't exist
    It complements it for more efficiency
  2. Full, or transparent, virtualization refers to the process of ...
    Modifying a host operating system
    Modifying a guest operating system
    allowing each guest operating systems run unmodified in isolation
    Allowing each host operating system run unmodified in isolation
    allowing each guest operating systems run unmodified in isolation
  3. Using a browser, you develop and run your ecommerce website and application on a supplier's server that runs Java-based programming tools. That's an example of ...
    SaaS
    PaaS
    IaaS
    None of the above
    Paas
  4. Which of the following is an example of virtualization?
    SAN
    VLAN
    RAID
    All of the above
    All of the above
  5. Which virtualization is less efficient/consumes more resources on a computer?
    Hypervisor
    Hosted
    Bare-metal
    All are equally different
    hosted
  6. Hardware-assisted virtualization refer to ...
    Modifying an operating system to include extended set of instructions
    Modifying a CPU to include extended set of instructions
    Using hardware drivers in the hypervisor
    Running hypervisor directly on top of hardware
    Modifying a CPU to include extended set of instructions
  7. What is the name of the software that provides physical resources abstraction and allows virtual machine creation?
    Supervisor
    Hypervisor
    Host
    Guest
    hypervisor
  8. Which of the following is NOT an advantage of cloud computing over traditional data center?
    Pay-per-use resources
    Accessible from most devices
    Promotes collaboration
    Faster access
    Faster access
  9. Which of the following is NOT an advantages of virtualization?
    Portable virtual machines
    Consolidation of resources
    Applications run faster
    Isolation of virtual machines
    Applications run faster
  10. Which of the following is NOT an example of cloud computing?
    A user accessing his email account on their company's email server
    A User creating a Facebook application
    A user accessing a Yahoo email account
    A user accessing a supplier's virtual server to test an application
    A user accessing his email account on their company's email server
  11. What is the main challenge of transparent virtualization on the x86 platform?
    Hypervisor can't run in Ring 0
    Guest OS privileged instructions expect to run in Ring 0
    Transparent virtualization can't be accomplished on the x86 platform
    Hypervisor can't have direct access to hardware
    Guest OS privileged instructions expect to run in Ring 0
  12. Which of the following statements is true?
    The fact that cloud computing has no fixed costs makes it more attractive to small companies
    The fact that cloud computing has no fixed costs makes it more attractive to large companies
    The fact that cloud computing has no variable costs makes it more attractive to small companies
    The fact that cloud computing has no variable costs makes it more attractive to large companies
    The fact that cloud computing has no fixed costs makes it more attractive to small companies
  13. Virtual infrastructure is ...
    Creating virtual networks, such an VLANs across your physical network
    Sharing of physical resources (servers, storage, network) as a dynamic resource pool
    Sharing a single physical server as a platform for multiple virtual machines
    Sharing multiple storage devices across SAN for use of multiple servers
    Is sharing of physical resources (servers, storage, network) as a dynamic resource pool
  14. What is a disadvantage of paravirtualization?
    More overhead due to its complexity
    Improved performance for some applications
    Guest OS is modified
    Inability to use hypervisor technology
    Guest OS is modified
  15. A user accessing a cloud supplier's payroll application is an example of …
    SaaS
    PaaS
    IaaS
    None of the above
    SaaS

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