Enterprise-wide Accounting Information System Security

1 .In most computer systems , users ' passwords are never stored anywhere Instead , the digest of the password is stored on the system . Which one of the following statements represents the rationale for this practice

A .This prevents system administrators from knowing other users passwords

B .The main purpose is to save space , since digests are smaller than the original information

C .Storing digests helps in keeping track of password history and enables the system to ensure that when users change passwords , the new one is different from the old one p

D .The use of digests makes the password verification process more efficient

E . of the above

2 (Continuing from the previous question ) Since the password is never stored anywhere , which one of the following statements best explains how passwords are verified when users attempt to log in

A .After the user enters her password , the system generates the digest of the entered password and verifies it against the stored digest

B .After the user enters her password , the system uses the stored digest to generate the corresponding password and verifies it against the password entered by the user

C .After the user enters her password , the system uses the public key of the user on the stored digest to generate the corresponding password and verifies it against the password entered by the user

D .After the user enters her password , the system uses its own private key on the stored digest to generate the corresponding password and verifies it...