单选题Which network technology addresses these customer business needs: shrinking budgets and ITstaffs, more complex networks, and an increased need for network security?（）AOptical networkBStorage-area network (SAN)CContent delivery network (CDN)DNetwork management
单选题
Which network technology addresses these customer business needs: shrinking budgets and ITstaffs, more complex networks, and an increased need for network security?（）
A
Optical network
B
Storage-area network (SAN)
C
Content delivery network (CDN)
D
Network management
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