In which two cloud computing service models are the vendors responsible for vulnerability and patch management of the underlying operating system? (Choose two.)
A . SaaS
B . PaaS
C . On-premises
D . IaaS
Answer: AB
In which two cloud computing service models are the vendors responsible for vulnerability and patch management of the underlying operating system? (Choose two.)
A . SaaS
B . PaaS
C . On-premises
D . IaaS
Answer: AB