【多选题】
Which three ESP fields can be encrypted during transmission？___
A. Security Parameter Index
B. Sequence Number
C. MAC Address
D. Padding
E. Pad length
F. Next Header
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答案
DEF
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推荐试题
【单选题】
带式输送机的胶带，因重锤质量过轻或拉紧机构犯卡，应___。
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D. 校对计算后合理调整重锤质量或检修拉紧机构。
