Chapter 1, Problem 3.21CP

A bank client wants to withdraw cash that was sent to them through the cash send service. To withdraw cash from an automated teller machine (ATM), the client needs to do this by firstly selecting the cardless services function from the ATM’s screen. The client will then select withdraw money. The ATM will ask the client to enter the 4-digit PIN that was received via an SMS. If the PIN is not correct, the client will be notified and as them to re-enter the correct PIN.If the PIN is correct, the ATM will then ask the client to enter the amount they wish to withdraw. After entering the amount, the system will check if the amount requested is more less or equal to the balance. If the amount requested is greater than the balance, the ATM will inform the client and ask them to re-enter the correct amount. If the amount entered is less than or equal to the balance, the ATM will release the money and the system will update the balance. The client would be asked if they want the slip to be…

It's important to provide the FTP port numbers. Is it true that FTP is thought to send control data "out of band?"

FTP port numbers are important. How did you come to the conclusion that FTP sends control data "out of band?"

What is the acceptable response time for the ping utility on a local area network?

Having a valid FTP port number is crucial. Just how did you decide that FTP delivers control data "out of band?"

Which RG raging is used for Ticknet

Note FTP port numbers. Does FTP transport control data "out of band," as is often believed?

It's important to provide the FTP port numbers. How did you get to the conclusion that FTP sends control data "out of band?"

GSM is an abbreviation for "Global System for Mobile Communications." When you use a SIM card in your mobile phone, what exactly happens?