hw10_solution

hw10_solution - 1.

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1. If you are redesigning the telnet protocol, what would you do to improve its  performance over networks with long delays? A: There is no standard answer to this question. You may think about batch  transmission and acknowledgement. In telnet, each character being typed in is  sent as a TCP frame, when it is sent back from the server, the character is then  displayed on the screen. Using batch processing could possibly accelerate the  interactions between the client and the server. 2. When I login to a telnet server, my password is not displayed on my screen.  a) Who controls the display of the password, the client computer or the  server? b) Do you think sending password in telnet is secure? Why? A: a) The server controls the display of the password, when a password is sent  to the server, the server does not sent the characters back, thus nothing is 
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hw10_solution - 1.

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