单选题Which network technology addresses these customer business needs: shrinking budgets and IT staffs, more complex networks, and an increased need for network security?（）A Optical networkB Network managementC Storage-area network (SAN)D Content delivery n
题目
单选题
Which network technology addresses these customer business needs: shrinking budgets and IT staffs, more complex networks, and an increased need for network security?（）
A
Optical network
B
Network management
C
Storage-area network (SAN)
D
Content delivery network (CDN)