Which of the following circumstances prevent the usage of container based virtualization? (Choose TWO correct answers.)

Which of the following circumstances prevent the usage of container based virtualization? (Choose TWO correct answers.)
A . More than one container requires access to block devices available in the host system.
B . Remote access via SSH is required to all containers.
C . Each container needs to have its own user accounts and user groups.
D . Administrators of containers must be able to install customized Linux kernels.
E . Different operating systems are to be used within containers on the same virtualization host.

Answer: D,E