Question

Below are three possible logon scenarios. Explain what is wrong with each of
the first two and why the third is preferable in terms of system security.

(a) Welcome to XYZ computing
Enter user name: smith
Invalid user name

(b) Welcome to XYZ computing
Enter user name: smith
Enter password: XXXXXX
Invalid access

(c) Enter user name:
Enter user name: smith
Enter password: XXXXXX
Invalid access
Enter user name: smith
Enter password: XXXXXX
Welcome to XYZ computing

Answer 1

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