Problem 2 T/F Questions (10 pts, 1 pt each) a) A cloud provider (e.g. Amazon) can offer more than one types of services (combinations of IaaS, PaaS, and SaaS). b) A lack of standards on API contributes to vendor lock-in and makes it difficult for clouds to be interoperable. 2 c) The Public Cloud model provides a more substantial level of trust than the Private Cloud model. d) Comparing to users of a Public Cloud, users of a Private Cloud typically rely more on infrastructural properties for establishing trust. e) According to Wirth's law, software is getting faster in a rate that is faster than hardware becomes faster. f) Comparing to traditional machines, virtual machines are more portable which makes migration easier. g) The hypervisor is in charge of isolating the guest virtual machines so that they cannot disrupt each other. h) Type 2 hypervisors are also known as "hosted" hypervisors. i) "Hosted" hypervisors run directly on the host's hardware. j) Full-virtualization requires modified guest OS(es) to cooperate with the VMM