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The most common way for a virus to spread is as an email attachment. This realization leads to some simple rules that will drastically reduce the odds of becoming infected with a virus. What

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The most common way for a virus to spread is as an email attachment. This realization leads to some simple rules that will drastically reduce the odds of becoming infected with a virus. What is wrong rule?

Use a virus scanner.

Believe “security alerts” that are sent to you.

If you are not sure about an attachment, do not open it.

You might even exchange a code word with friends and colleagues.

Giải thích

Chọn đáp án B