多项选择题
A. Data is accessed using NFS or CIFS.
B. Data is accessed at the block level.
C. NAS is referred to as captive storage.
D. Storage devices can be shared between users.
E. A NAS implementation is not as fast as a DAS implementation.
多项选择题 You create a server control that inherits from WebControl. You need to enable the server control to emit markup for a new kind of mobile device. You must not alter the code in the server controls. Which two actions should you perform? （）
单项选择题 Which statement about data center access layer design modes is correct?（）
单项选择题 Which statement correctly describes a situation in which VRFs are used in the data center?（）