When using virtualization techniques, a guest operating system (guest OS) is? The operating system of the physical computer on which the virtual machine was installed The operating system running inside the virtual machine O a copy of the virtual machine's current state The hypervisor Trudy used what tools during her reconnaissance phase? DNS Lookup ONMAP Snort O WHOIS What are the types of scans that are supported by Zenmap Intense scan Intense scan plus UDP HTTP scan Ping scan