To protect_______ hackers, security experts advise longer passwords _______combinations of upper and lowercase letters, as well as numbers.

Câu hỏi :

To protect_______ hackers, security experts advise longer passwords _______combinations of upper and lowercase letters, as well as numbers.

A. against - in

B. from - to

C. on - between

D. against - with

* Đáp án

A

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