Software and systems as a service in the cloud provide flexibility for administrators. The administrator can create, shutdown, and restart virtual servers as needed. However this flexibility also leads to a problem. Which of the following problems is directly related to that?

A.
Fragmented hard drives

B.
User authentication

C.
VM Sprawl

D.
Virus spreading

Explanation:
VM sprawl refers to the situation where the multiple virtual machines become difficult to manage, and a consistent security policy is impossible to maintain.

Answer option D is incorrect. Viruses are actually less virulent in a virtualized environment. Answer option A is incorrect. Hard drive fragmentation is no more, or less likely in a virtualized environment.

Answer option B is incorrect. User authentication is no more or less challenging in a virtualized environment.