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    Question

    Which of the following best differentiates between

    server-based virtualization and hypervisor-based virtualization?
    A Server-based virtualization requires physical partitioning of resources, while hypervisor-based virtualization uses logical partitioning. Correct Answer Incorrect Answer
    B Server-based virtualization supports only Windows operating systems, while hypervisor-based virtualization supports cross-platform OS Correct Answer Incorrect Answer
    C Hypervisor-based virtualization does not require a host operating system, while server-based virtualization depends on one. Correct Answer Incorrect Answer
    D Server-based virtualization allows multiple VMs to share a single kernel, unlike hypervisor-based virtualization. Correct Answer Incorrect Answer
    E Hypervisor-based virtualization cannot provide hardware-level isolation, while server-based virtualization can. Correct Answer Incorrect Answer

    Solution

    Hypervisor-based virtualization is categorized into two types: Type 1 (bare-metal) and Type 2 (hosted). In Type 1, the hypervisor directly interacts with the hardware, eliminating the need for a host OS. This approach provides better performance and scalability, making it suitable for enterprise-level virtualization. On the other hand, server-based virtualization operates within a host operating system, utilizing software to create and manage virtual machines. This makes it more accessible but less efficient than hypervisor-based solutions. For instance, enterprise environments often use hypervisors like VMware ESXi (Type 1) for better resource management and performance. Why Other Options Are Incorrect :

    1. Physical vs logical partitioning : Both virtualizations rely on logical partitioning to allocate resources dynamically; this option is incorrect.
    2. Cross-platform OS : Both types support cross-platform OS, especially in hypervisor-based setups with proper configurations.
    3. Shared kernel : This describes containerization, not server-based virtualization.
    4. Hardware-level isolation : Hypervisor-based virtualization provides superior hardware isolation compared to server-based virtualization.

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