多项选择题
A. increased administration
B. improved availability
C. reduced backup
D. increased security
E. greater storage demand
多项选择题 Which three connection options are available when configuring a switch port to be part of aprivate VLAN? （）(Choose three.)
单项选择题 How can Cisco NetFlow be used to aid in the operation and troubleshooting of QoS issues? （）
单项选择题 Refer to the exhibit. Which of the following statements is true? （）