Virtual Machines Quiz

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Virtual Machines Quiz - Quiz

How much do you know about virtual machines? Can you pass this virtual machines quiz? Give it a try and evaluate yourself. Virtual machines (VMs) enable a business to run an operating system that works like a completely separate computer in an application window on a desktop. The quiz will be very tough and test your knowledge and understanding of the same. We hope you like this quiz and score the highest marks.


Questions and Answers
  • 1. 

    On a particular server, within each virtual machine:

    • A.

      You can run any version of Windows without regard for the version(s) running in the other virtual machines.

    • B.

      The versions of Windows must be no more than one release apart.

    • C.

      The versions of Windows must be exactly the same.

    • D.

      None of the options is correct.

    Correct Answer
    A. You can run any version of Windows without regard for the version(s) running in the other virtual machines.
    Explanation
    Within each virtual machine on a particular server, you have the freedom to run any version of Windows without considering the versions running in the other virtual machines. This means that each virtual machine can have a different version of Windows installed, regardless of the versions running in the other virtual machines. There is no requirement for the versions to be the same or to be within one release apart.

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  • 2. 

    Compared with a traditional server data center, a data center that makes extensive use of server virtualization requires:

    • A.

      Approximately 25% fewer staffers to support the servers and operating systems.

    • B.

      Roughly the same number of staffers to support the servers and operating systems.

    • C.

      Approximately 25% more staffers to support the servers and operating systems.

    • D.

      None of the options is correct.

    Correct Answer
    B. Roughly the same number of staffers to support the servers and operating systems.
    Explanation
    A data center that makes extensive use of server virtualization allows for the consolidation of multiple virtual servers onto a single physical server. This means that the number of physical servers is reduced, but the number of virtual servers remains the same. Therefore, the same number of staffers is required to support the servers and operating systems, as the workload and maintenance tasks remain similar.

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  • 3. 

    A completely new version of Windows may require that you check for compatibility with your server virtualization software before you install it.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    When a completely new version of Windows is released, it is important to check for compatibility with server virtualization software before installing it. This is because server virtualization software allows multiple operating systems to run on a single physical server, and any incompatibility between the new version of Windows and the virtualization software could lead to issues or errors during installation or operation. Therefore, it is crucial to ensure compatibility to avoid any potential problems.

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  • 4. 

    The introduction of server virtualization in a data center:

    • A.

      Will make the introduction of a storage-area network (SAN) absolutely necessary.

    • B.

      Will not materially change storage requirements.

    • C.

      Will make the climax of a SAN desirable.

    • D.

      Will make the introduction of a SAN desirable.

    Correct Answer
    D. Will make the introduction of a SAN desirable.
    Explanation
    The introduction of server virtualization in a data center will make the introduction of a storage-area network (SAN) desirable. Server virtualization allows multiple virtual servers to run on a single physical server, which increases efficiency and flexibility. However, it also increases the demand for storage as each virtual server requires its own storage space. A SAN provides a centralized and scalable storage solution that can efficiently handle the increased storage requirements of virtualized servers. Therefore, the introduction of server virtualization in a data center makes the introduction of a SAN desirable.

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  • 5. 

    When it comes to avoiding major outages, the use of server virtualization:

    • A.

      Reduces the frequency of hardware-related service outages.

    • B.

      Has no material impact.

    • C.

      Requires that levels of redundancy be increased to avoid an increase in outages affecting multiple applications or services.

    • D.

      None of the options is correct.

    Correct Answer
    C. Requires that levels of redundancy be increased to avoid an increase in outages affecting multiple applications or services.
    Explanation
    Server virtualization involves running multiple virtual servers on a single physical server. This allows for better utilization of resources and increased flexibility. However, it also introduces a single point of failure, as if the physical server fails, all the virtual servers running on it will be affected. To avoid this, levels of redundancy need to be increased, such as having backup physical servers or implementing failover mechanisms. This ensures that in case of a hardware-related service outage, the impact is minimized and multiple applications or services are not affected.

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  • 6. 

    The smallest part of the work done in a data center tends to be driven by the number of servers.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The given statement is false. The smallest part of the work done in a data center is not driven by the number of servers. There are various factors that contribute to the work done in a data center, such as the complexity of the tasks, the efficiency of the infrastructure, the workload distribution, and the optimization of resources. The number of servers is just one aspect among many that can influence the work done in a data center.

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  • 7. 

    On a particular server:

    • A.

      You can reboot a virtual machine without it having any effect on the other virtual machines.

    • B.

      If you reboot one virtual machine, all the other virtual machines reboot at the same time.

    • C.

      If you need to reboot one virtual machine, you have to first reboot the physical server. The individual virtual machines then reboot automatically when the physical machine reboot is finished.

    • D.

      None of the options is correct.

    Correct Answer
    A. You can reboot a virtual machine without it having any effect on the other virtual machines.
    Explanation
    When rebooting a virtual machine on a particular server, it does not affect the other virtual machines. This means that the rebooting process of one virtual machine does not cause the other virtual machines to reboot simultaneously. Additionally, the explanation states that there is no need to reboot the physical server before rebooting a specific virtual machine, as the individual virtual machines automatically reboot once the physical machine reboot is completed.

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  • 8. 

    In a virtualized server environment, compared with a traditional server environment:

    • A.

      It is easier to keep track of software licensing.

    • B.

      Tracking software licensing is neither materially easier nor harder.

    • C.

      It is significantly harder to keep track of software licensing.

    • D.

      None of the options is correct.

    Correct Answer
    C. It is significantly harder to keep track of software licensing.
    Explanation
    In a virtualized server environment, it is significantly harder to keep track of software licensing compared to a traditional server environment. This is because virtualization allows for the creation of multiple virtual machines on a single physical server, leading to a higher number of software installations and licenses to manage. Additionally, virtual machines can be easily created, cloned, or deleted, which makes it more challenging to accurately track and manage software licenses across the virtualized environment.

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  • 9. 

    It is generally desirable to provide some level of redundancy, permitting the entire contents of the server to be quickly moved to a standby server if the main server fails.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Providing redundancy allows for a backup server to quickly take over in case the main server fails. This ensures that there is minimal downtime and disruption to the system or service being provided. By having a standby server with the same contents as the main server, data and functionality can be seamlessly transferred, maintaining continuity and preventing loss of information or service interruptions. Therefore, it is generally desirable to have this level of redundancy in place.

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  • 10. 

    When deciding on the placement of development, testing/QA and production instances of applications and databases:

    • A.

      You can (and generally should) use virtualization to put the three instances of an application or a database on the same physical server so that the development and test environments are an accurate reflection of the eventual production environment.

    • B.

      You should dedicate physical machines to hosting each type of instance so that the three types are not on the same server to make it easier to secure the production environment.

    • C.

      It really doesn't matter where you place the different types of instances.

    • D.

      None of the options is correct.

    Correct Answer
    B. You should dedicate physical machines to hosting each type of instance so that the three types are not on the same server to make it easier to secure the production environment.
    Explanation
    It is recommended to dedicate physical machines for each type of instance (development, testing/QA, and production) to enhance the security of the production environment. By separating the instances onto different servers, any vulnerabilities or issues in the development or testing environments will not affect the production environment. This approach allows for better control and isolation of the production environment, ensuring its stability and security.

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  • Current Version
  • Aug 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 10, 2009
    Quiz Created by
    Infolution
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