What is the term for a logical SAN which provides isolation among devices physically connected tothe same fabric？（）

A. common network infrastructure
B. abstracted integration
C. network solutions
D. intelligent network services

A. connection speed
B. number of remote sites
C. features to be supported
D. types of devices at the remote site
E. whether packets are encrypted using 3DES or AES
F. number of routes in the routing table at the remote site

A. up to 10 Gbps of bandwidth at the access level
B. redundant servers at the access level
C. modular block design at the access level
D. high port densities at the access level