Which three statements about NetFlow are true?()
A. NetFlow records unidirectional IP traffic flow.
B. NetFlow records MPLS frame flow.
C. NetFlow expert is only over TC
D. NetFlow records is only over UD
E. NetFlow records subinterface information of traffic flow.
查看答案
在距离目标25m以上的距离测量时,激光点显示在瞄准器的()。
A. 中央
B. 边缘
C. 随机位置
D. 中央或边缘