What are the types of hypervisiors?

Bare metal and hosted

None of the options

Memory and operating system based

Virtual and physicality?

The correct options are

Bare metal and hosted Memory and operating system based Virtual and physicality Explanation:

There are two types of hypervisors:

Type 1 hypervisor are those hypervisors that run directly on the system hardware such as a "bare metal" embedded hypervisor,

Similarly

Type 2 hypervisor is the kind of hypervisors that runs on a host operating system that provides virtualization services, such as I/O device support and memory management.

None of the options are hypervisor