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Choose the port numbers in the proper order to match the order of these protocols: FTP, TFTP, Telnet, HTTP.

A. 80, 21, 23, 69
B. 21, 69, 23, 80
C. 69, 23, 21, 80
D. 23, 21, 80, 69

Answer :

Final answer:

The standard port numbers for FTP, TFTP, Telnet and HTTP are 21, 69, 23 and 80 respectively. The correct sequence based on the given protocol order therefore is: 21, 69, 23, 80, which is Option B.

Explanation:

The question is asking to match the standard port numbers for the given list of Internet protocols in the correct order. The protocols listed are FTP, TFTP, Telnet, and HTTP.

The standard port number for FTP (File Transfer Protocol) is 21. The standard port for TFTP (Trivial File Transfer Protocol) is 69. Telnet uses port 23 and HTTP (Hypertext Transfer Protocol) uses port 80.

  1. FTP: 21
  2. TFTP: 69
  3. Telnet: 23
  4. HTTP: 80

So, the correct option from the ones given would be Option B: 21, 69, 23, 80.

Learn more about Internet protocols and port numbers here:

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