Hello, I'm studying for an incoming network exam, so I'm redoing old exams to get prepared. One of the question I have trouble with is the following :
Which technique allows to end a sequence of requests without modifying a protocol ?
One answer among the following is the correct one :
a) Sending an empty message
b) Sending an erroneous message
c) Using a timeout
d) Sending an error code
I would say that response A and C are doesn't require to modify a protocol, but I can't choose between them. What do you think ?
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