The correct option is Type 2 hypervisor.

A Type 2 hypervisor runs on top of a host operating system so it is the common choice for a researcher using a personal laptop to run multiple virtual machines. This arrangement lets the researcher install a desktop OS and then run guest operating systems inside VMs for safe analysis of suspicious programs while still using familiar host tools and drivers.

Docker containers are incorrect because containers share the host kernel and are not full virtual machines. Containers isolate applications but do not provide separate guest operating systems the way a hypervisor does, so they do not match the scenario of running three VMs on a laptop.

Type 1 hypervisor is incorrect because a Type 1 hypervisor runs directly on bare metal. That architecture is common in servers and datacenters and is less likely to be used on a personal laptop where a host OS is present.

Google Kubernetes Engine is incorrect because it is a managed, cloud hosted container orchestration service. It manages containers across clusters in the cloud and is not a local hypervisor for hosting virtual machines on a personal laptop.

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