Final answer:
the correct option for the network virtualization solution called XenServer is (d) Citrix Systems.
Step-by-step explanation:
Network Virtualization Solution: XenServer
The network virtualization solution called XenServer is a product of Citrix Systems. When comparing virtualization solutions, it's important to note the different providers and their offerings. VMware is well-known for its vSphere/ESXi solutions, Microsoft Hyper-V is another popular choice that comes integrated with Windows Server, and Oracle VM VirtualBox is a free and open-source option that is widely used for desktop virtualization.
XenServer, offered by Citrix, is a commercial product based on the open-source Xen Project hypervisor. XenServer allows for the creation of virtual machines on a physical host server, enabling multiple operating systems to run on the same hardware concurrently. This type of technology is crucial in data centers and cloud computing, where efficient resource allocation and utilization are vital.
It's important for students studying network virtualization to understand the distinct features and targets of various platforms. Citrix Systems, with its XenServer solution, focuses on optimizing virtualization for applications and desktop delivery, making it a robust choice for enterprise environments requiring scalability and management of virtual desktop infrastructure (VDI).
Thus, the correct option for the network virtualization solution called XenServer is (d) Citrix Systems.