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Difficulty: MediumVirtualization Security Considerations and Network Configurations

A helpdesk technician is setting up a client-side virtual machine (VM) on a workstation to host a legacy database application. The application requires its own dedicated identity on the physical network, including obtaining an IP address lease directly from the company's physical DHCP server so that other physical clients on the local subnet can communicate with it directly. Which virtual network interface card (vNIC) mode should the technician configure for this VM?

  1. Bridged modeAnswer
  2. B
    Network Address Translation (NAT) mode
  3. C
    Host-Only mode
  4. D
    Internal mode

Answer

Bridged mode is the correct configuration because it connects the virtual network interface directly to the physical network switch, allowing the VM to operate as an independent node on the physical network and receive an IP address from the physical DHCP server.
Bridged mode binds the virtual network adapter directly to the physical host adapter. This allows the guest VM to request and obtain a distinct IP address from the physical network's DHCP server and communicate directly with physical devices on the local area network.

Step-by-Step Solution

1
Analyze the network requirement in the scenario.
The requirement specifies that the VM must obtain an IP address directly from the physical network's DHCP server and be reachable by other physical hosts on the local network.
Determining network visibility and IP assignment source isolates the required virtual network mode.
2
Evaluate the capabilities of virtual network modes.
Bridged mode binds the vNIC to the physical network card, making the VM appear as a separate entity on the physical network LAN.
Only Bridged mode places the guest OS directly onto the host's physical network segment.

Key Concept

Virtual Network Adapter Modes (Bridged vs. NAT vs. Host-Only vs. Internal)
Estimated Time:1m 0s
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Topics

Virtualization Security Considerations and Network Configurations

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