The following are three possible logon scenarios. Explain why option $($c$)$ below is preferable in terms of system security.

a$.$ Welcome to XYZ computing Enter username: jones Invalid username

Enter username:

b$.$ Welcome to $xYZ$ computing

Enter username: smith

Enter password: password Invalid access

Enter username:

c$.$ Enter username: smith Enter password: password Invalid access

Enter username: smith

Enter password: FpQr$56$

Welcome to XYZ computing