Which of the following statements about passwords is not true?

a) authentication cannot be established by the use of a password.

b) password systems that are too rigorous may hinder employee productivity.

c) passwords can be stolen through social engineering.

d) passwords are often disregarded by employees.

e) passwords can be sniffed when being transmitted over a network.

Keep your choice of a major there is probably no single correct choice.

Draw the hierarchy chart and design the logic for a program that calculates service charges for hazel's housecleaning service. the program contains housekeeping, detail loop, and end-of-job modules. the main program declares any needed global variables and constants and calls the other modules. the housekeeping module displays a prompt for and accepts a customer's last name. while the user does not enter for the name, the detail loop accepts the number of bathrooms and the number of other rooms to be cleaned. the service charge is computed as $40 plus $15 for each bathroom and $10 for each of the other rooms. the detail loop also displays the service charge and then prompts the user for the next customer's name. the end-of-job module, which executes after the user enters the sentinel value for the name, displays a message that indicates the program is complete.

You are consulting for a beverage distributor who is interested in determining the benefits it could achieve from implementing new information systems. what will you advise as the first step?