题目内容
(请给出正确答案)
[单选题]
Blocking supervision measurements take place every().
A.100 sec
B.90 sec
C.60 sec
D.30 sec
E.25 sec
答案
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A.100 sec
B.90 sec
C.60 sec
D.30 sec
E.25 sec
第3题
A.Blocking,learing,listening,forwarding
B.Blocking,learing,forwarding,listening
C.Blocking,listening,learing,forwarding
D.Blocking,forwarding,listening,learing
第8题
A.Listening
B.Learning
C.Forwarding
D.Filtering
E.Blocking
F.DisablingG.Encapsulating