【单选题】在频数分布直方图中,有 11个小长方形,若中间一个小长方形的面积等于其它10个小长方形面积的和的 1/4 ,且数据有 160个,则中间一组的频数为( ) A. 0.2 B. 0.25 C. 32 D. 40
【多选题】Refer to the exhibit. On the basis of the output generated by the show commands, which twostatements are true?()
A.
All interfaces on the switch have been configured as access ports
B.
Because it has not been assigned to any VLAN, interface gigabitethernet 0/1 does not appearin the show vlan output
C.
Because it is configured as a trunk interface, interface gigabitethernet 0/1 does not appear inthe show vlan output
D.
There are no native VLANs configured on the trunk
E.
VLAN 1 will not be encapsulated with an 802.1q header
F.
VLAN 2 will not be encapsulated with an 802.1q header
【判断题】满足每个弧流量上限的流量安排就是可行流。
【单选题】Who is Professor Ferguson?
【简答题】A.Tour guide and guest. B.Friends. C.Colleagues. D.Teacher and student.
【简答题】在图10.1. 7的双积分型ADC中,若输入信号∣vI∣>∣VREF∣,则会出现什么现象?