To protect ____________ hackers, security experts advise longer passwords ____________ combinations of upper and lowercase, as well as numbers.

Câu hỏi :

To protect ____________ hackers, security experts advise longer passwords ____________ combinations of upper and lowercase, as well as numbers.

A on – between    

B against – with

C from – to    

D about – inside 

* Đáp án

B

* Hướng dẫn giải

Phương pháp giải:

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