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Virtual Networks

  1. Which network mode in VirtualBox can be used to emulate unplugging the Ethernet cable from the network?
    • Not attached
  2. Which network mode would be best if you wanted to run a server on a VM that could be fully accessible from your physical local area network?
    • NAT network
  3. What are the three options of promiscuous mode and what does each do?
    • Deny. Any traffic that is not intended to the virtual network adapter of the VM is hidden from the VM.
    • Allow VMs. All traffic is hidden from the VM network adapter except the traffic transmitted to and from other VMs.
    • Allow All. There are no restrictions in this mode. A VM network adapter can see all incoming and outgoing traffic.
  4. What is Port Forwarding?
    • Intercepts traffic destined for one IP address and port and redirects it to another IP address and/or port.

Source:Nakivo