单选题Which command generates a BERT test pattern of alternating ones and zeros on T1 number 1 for one minute?()At1 1 bert pattern alt01 interval 1Bt1 1 bert pattern alt01 interval 60Ct1 1 bert pattern alt-0-1 interval 1Dt1 1 bert pattern alt-0-1 interval 60
题目
单选题
Which command generates a BERT test pattern of alternating ones and zeros on T1 number 1 for one minute?()
A
t1 1 bert pattern alt01 interval 1
B
t1 1 bert pattern alt01 interval 60
C
t1 1 bert pattern alt-0-1 interval 1
D
t1 1 bert pattern alt-0-1 interval 60
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