200-155 · Question #117
What are two roles of a hypervisor in a data center? (Choose two.)
The correct answer is A. provides management for physical network devices C. virtualizes bare-metal server resources and provides resources to virtual machines. A hypervisor's core functions include virtualizing bare-metal server resources for virtual machines and managing the host's physical network interfaces which connect to physical network devices.
Question
What are two roles of a hypervisor in a data center? (Choose two.)
Options
- Aprovides management for physical network devices
- Bprovides management for physical servers
- Cvirtualizes bare-metal server resources and provides resources to virtual machines
- Dpartitions physical servers into multiple virtual machines
- Evirtualizes network devices and provides resources to virtual devices
How the community answered
(20 responses)- A95% (19)
- E5% (1)
Why each option
A hypervisor's core functions include virtualizing bare-metal server resources for virtual machines and managing the host's physical network interfaces which connect to physical network devices.
A hypervisor configures and manages the physical network adapters (NICs) on the bare-metal server, including aspects like VLAN tagging, network teaming, and connecting virtual switches to these physical interfaces, which are essential for integrating virtual machines with the physical network devices like switches.
A hypervisor runs on a physical server; managing the server hardware itself (e.g., power, firmware) is typically handled by BMCs or server management software, not directly by the hypervisor.
A hypervisor's fundamental role is to abstract and virtualize the underlying physical hardware resources-CPU, memory, storage, and network interfaces-from a bare-metal server. It then allocates these virtualized resources to multiple isolated virtual machines, enabling them to run concurrently on a single physical host.
While a hypervisor does partition servers, choice C provides a more complete and accurate description of the virtualization process and resource allocation by also mentioning resource provisioning.
A hypervisor primarily virtualizes server hardware; virtualizing network devices (like routers or firewalls) is a function of network virtualization platforms, not the core role of a server hypervisor itself.
Concept tested: Hypervisor core functions and roles
Source: https://learn.microsoft.com/en-us/windows-server/virtualization/hyper-v/hyper-v-architecture
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