Câu 147: GCIA: GIAC Certified Intrusion Analyst
John works as a Network Security Administrator for NetPerfect Inc. The manager of the company has told John that the company's phone bill has increased drastically. John suspects that the company's phone system has been cracked by a malicious hacker. Which attack is used by malicious hackers to crack the phone system?
Nội dung câu hỏi
John works as a Network Security Administrator for NetPerfect Inc. The manager of the company has told John that the company's phone bill has increased drastically. John suspects that the company's phone system has been cracked by a malicious hacker. Which attack is used by malicious hackers to crack the phone system?
Các lựa chọn
Đáp án được giữ gọn theo nhãn A, B, C, D trong phần bình chọn tương tác.
- A. War dialing
- B. Sequence++ attack
- C. Phreaking — đáp án hiện tại
- D. Man-in-the-middle attack
Cộng đồng
0 bình luận công khai. Tên thành viên được ẩn một phần.