Trong các giải pháp về an ninh mạng: Alarms, Personal Firewalls, Định kỳ quét virus và malware, Pop-up blockers, Biometric authentication system, và Định kỳ sao lưu (back-up) du

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Trong các giải pháp về an ninh mạng: Alarms, Personal Firewalls, Định kỳ quét virus và malware, Pop-up blockers, Biometric authentication system, và Định kỳ sao lưu (back-up) dữ liệu ra các phương tiện bên ngoài, các giải pháp nào thuộc nhóm giải pháp phần mềm:

3 giải pháp: Alarms, Personal Firewalls, và Biometric authentication system;

2 giải pháp: Personal Firewalls và Pop-up blockers;

4 giải pháp: Personal Firewalls, Pop-up blockers, Biometric authentication system, và Định kỳ sao lưu (back-up) dữ liệu ra các phương tiện bên ngoài;

4 giải pháp: Personal Firewalls, Định kỳ quét virus và malware, Pop-up blockers, và Định kỳ sao lưu (back-up) dữ liệu ra các phương tiện bên ngoài;

Giải thích

Chọn đáp án D