Question: Please explain step-by-step: Assume passwords are selected from four character combinations of 26 alphabetic characters. Assume an adversary is able to attempt passwords at a

Please explain step-by-step:

Please explain step-by-step: Assume passwords are selected from four character combinations of

Assume passwords are selected from four character combinations of 26 alphabetic characters. Assume an adversary is able to attempt passwords at a rate of 1 per second. Assuming no feedback to the adversary until each attempt is completed, what is the expected time to discover the correct password? (Enter the number of seconds)

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