What type of segregation and separation of resources is needed within a cloud environment for multitenancy purposes versus a traditional data center model? 

Answer options:

A. Virtual
B. Security
C. Physical
D. Logical

D

Cloud environments lack the ability to physically separate resources like a traditional data center can. To compensate, cloud computing logical segregation concepts are employed. These include VLANs, sandboxing, and the use of virtual network devices such as firewalls.