题目内容
(请给出正确答案)
[单选题]
You updated your primary server with new hosts.However, you notice that the secondary
A.Expire
B.Retry
C.Refresh
D.Serial
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A.Expire
B.Retry
C.Refresh
D.Serial
A Input
B Output
C Data
D Feedback
E A and C
A.turn to
B.turn out
C.turn over
D.turn into
A.separate
B.develop
C.run
D.build
A.should
B.have to
C.are able to
D.are hoped to