Câu 42: 4A0-100: Nokia Scalable IP Networks
Which of the following is the best description of well known ports?
Nội dung câu hỏi
Which of the following is the best description of well known ports?
Các lựa chọn
Đáp án được giữ gọn theo nhãn A, B, C, D trong phần bình chọn tương tác.
- A. Well known ports apply to routers only and are used for communication and control traffic. Well known port numbers are assigned by IANA and can have any value.
- B. Well known ports are used by TCP and UDP. Well known port numbers range from 1024 to 65535 and are assigned by IANA.
- C. Well known port numbers are used by both TCP and UDP. Well known port numbers range from 1 to 1023 and are assigned by IANA. — đáp án hiện tại
- D. Well known ports numbers are used by TCP only. Well known port numbers are assigned by IANA and can have any value.
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